RTX 6001 User manual

User Manual V0.8
Audio Analyzer
User Manual
RTX6001 Audio Analyzer
RTX6001
Audio Analyzer
User Manual
1

User Manual V0.8
General
Information contained in this document is subject to change without notice. RTX /S
makes no warranty of any kind with regard to this material, including, but not limited to,
the implied warranties of merchantability and
RTX /S shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the
Warranty
This instrument is warranted against defects in material a
one year from date of shipment. During the warranty period, RTX /S will at its option,
either repair or replace products, which prove to be defective. For warranty service or
repair, this product must be returned to a servic
b
uyer shall prepay shipping charges to RTX /S and RTX /S shall pay shipping charges,
duties, and taxes for products returned to RTX /S from another country.
RTX /S warrants that its software and firmware
instrument will execute its programming instructions when properly installed on that
instrument.
RTX /S does not warrant that the operation of the instrument or firmware will be
uninterrupted or error free.
Limitati
on of Warranty
The foregoing warranty shall not apply to defects resulting from improper or inadequate
maintenance by Buyer, Buyer
or misuse, operation outside of the environmental specifications
improper site preparation or maintenance.
NO OTHER W RR NTY IS EXPRESSED OR IMPLIED.
RTX /S SPECIFIC LLY DISCL IMS THE IMPLIED W RR NTIES OF MERCH NT BILITY
ND SUIT BILITY
FOR P RTICUL R PURPOSE.
RTX6001 Audio Analyzer
Information contained in this document is subject to change without notice. RTX /S
makes no warranty of any kind with regard to this material, including, but not limited to,
the implied warranties of merchantability and
suitability
for a particular purpos
RTX /S shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the
product installation
, performance, or use of this material.
This instrument is warranted against defects in material a
nd w
orkmanship for a period of
one year from date of shipment. During the warranty period, RTX /S will at its option,
either repair or replace products, which prove to be defective. For warranty service or
repair, this product must be returned to a servic
e facility designated by RTX /S.
uyer shall prepay shipping charges to RTX /S and RTX /S shall pay shipping charges,
duties, and taxes for products returned to RTX /S from another country.
RTX /S warrants that its software and firmware
designated by RTX /S for use with an
instrument will execute its programming instructions when properly installed on that
RTX /S does not warrant that the operation of the instrument or firmware will be
on of Warranty
The foregoing warranty shall not apply to defects resulting from improper or inadequate
maintenance by Buyer, Buyer
-
supplied software or interfacing, unauthorized modification
or misuse, operation outside of the environmental specifications
for the product, or
improper site preparation or maintenance.
NO OTHER W RR NTY IS EXPRESSED OR IMPLIED.
RTX /S SPECIFIC LLY DISCL IMS THE IMPLIED W RR NTIES OF MERCH NT BILITY
FOR P RTICUL R PURPOSE.
2
Information contained in this document is subject to change without notice. RTX /S
makes no warranty of any kind with regard to this material, including, but not limited to,
for a particular purpos
e.
RTX /S shall not be liable for errors contained herein or for incidental or consequential
, performance, or use of this material.
orkmanship for a period of
one year from date of shipment. During the warranty period, RTX /S will at its option,
either repair or replace products, which prove to be defective. For warranty service or
e facility designated by RTX /S.
The
uyer shall prepay shipping charges to RTX /S and RTX /S shall pay shipping charges,
duties, and taxes for products returned to RTX /S from another country.
designated by RTX /S for use with an
instrument will execute its programming instructions when properly installed on that
RTX /S does not warrant that the operation of the instrument or firmware will be
The foregoing warranty shall not apply to defects resulting from improper or inadequate
supplied software or interfacing, unauthorized modification
for the product, or
RTX /S SPECIFIC LLY DISCL IMS THE IMPLIED W RR NTIES OF MERCH NT BILITY

User Manual V0.8
General information
This document and the information contained, is property of
Unauthorized copying is not allowed. The information in this document is believed to be
correct at the time of writing.
cont
ent, circuitry and specifications.
The general safety precautions, according to
all phases of operation. RTX
these requirements.
The purpose of the d
ocument is to provide guidance to users of the RTX
nalyzer. It
describes general func
Windows® based interface.
Documentation information
This User
Manual contains essential items of information needed for general
of the RTX6001.
In this document you will find valuable information on how to unpack, install and operate
your RTX6001.
RTX6001 Audio Analyzer
General information
This document and the information contained, is property of
RTX
Unauthorized copying is not allowed. The information in this document is believed to be
correct at the time of writing.
RTX
/S reserves the right at any time to change said
ent, circuitry and specifications.
The general safety precautions, according to
this User
Manual, must be observed during
/S assumes no liability for the Buyers
failure to comply with
ocument is to provide guidance to users of the RTX
describes general func
tions of the product
and also describes the use of the
Documentation information
Manual contains essential items of information needed for general
In this document you will find valuable information on how to unpack, install and operate
3
RTX
/S, Denmark.
Unauthorized copying is not allowed. The information in this document is believed to be
/S reserves the right at any time to change said
Manual, must be observed during
failure to comply with
ocument is to provide guidance to users of the RTX
6001 udio
and also describes the use of the
Manual contains essential items of information needed for general
-purpose use
In this document you will find valuable information on how to unpack, install and operate

User Manual V0.8
Safety information
The following general safety precautions must be observed during all phases of operation
and service of this instrument. Failure to comply with these precautions or with specific
warnings elsewhere in this manual violates safety standards of design, manufa
intended use of the instrument.
comply with these requirements.
WAR I G!
This is a Safety Class I instrument (provided with a protective Earth
ground, incorporated in the power cord). T
inserted in a socket outlet provided with a protective earth contact.
Furthermore, any interruption of the protective conductor inside or
outside of the instrument is likely to make the instrument dangerous.
Intentional interrup
DO OT
defeat the earth
cable, power cable, or autotransformer without a protective ground
connector. If you are using an autotransformer, make sure its common
terminal is connecte
source outlet socket.
DO OT
operate the product in an explosive atmosphere or in the pre
sence of flammable gasses or fumes.
DO OT
use repaired fuses or short
continued protection against fire, replace the line fuse(s) only with
fuse(s) of the same voltage and current rating and type.
DO OT
perform procedures involving cover or shield removal unless
you are qualified to do so
that operating personnel must not remove equipment covers or
shields. Procedures involving the removal of covers and shields
use by service-
trained personnel at
RTX6001 Audio Analyzer
Safety information
The following general safety precautions must be observed during all phases of operation
and service of this instrument. Failure to comply with these precautions or with specific
warnings elsewhere in this manual violates safety standards of design, manufa
intended use of the instrument.
RTX
assumes no liability for the customer’s failure to
comply with these requirements.
This is a Safety Class I instrument (provided with a protective Earth
ground, incorporated in the power cord). T
he mains plug shall only be
inserted in a socket outlet provided with a protective earth contact.
Furthermore, any interruption of the protective conductor inside or
outside of the instrument is likely to make the instrument dangerous.
Intentional interrup
tion is therefore prohibited.
defeat the earth
-
grounding protection by using an extension
cable, power cable, or autotransformer without a protective ground
connector. If you are using an autotransformer, make sure its common
terminal is connecte
d to the protective earth contact of the power
source outlet socket.
operate the product in an explosive atmosphere or in the pre
sence of flammable gasses or fumes.
use repaired fuses or short
-
circuited fuse holders: For
continued protection against fire, replace the line fuse(s) only with
fuse(s) of the same voltage and current rating and type.
perform procedures involving cover or shield removal unless
you are qualified to do so
–
it is therefore strongly emphasized here
that operating personnel must not remove equipment covers or
shields. Procedures involving the removal of covers and shields
trained personnel at
RTX only.
4
The following general safety precautions must be observed during all phases of operation
and service of this instrument. Failure to comply with these precautions or with specific
warnings elsewhere in this manual violates safety standards of design, manufa
cture, and
assumes no liability for the customer’s failure to
This is a Safety Class I instrument (provided with a protective Earth
he mains plug shall only be
inserted in a socket outlet provided with a protective earth contact.
Furthermore, any interruption of the protective conductor inside or
outside of the instrument is likely to make the instrument dangerous.
grounding protection by using an extension
cable, power cable, or autotransformer without a protective ground
connector. If you are using an autotransformer, make sure its common
d to the protective earth contact of the power
operate the product in an explosive atmosphere or in the pre
-
circuited fuse holders: For
continued protection against fire, replace the line fuse(s) only with
fuse(s) of the same voltage and current rating and type.
perform procedures involving cover or shield removal unless
it is therefore strongly emphasized here
that operating personnel must not remove equipment covers or
shields. Procedures involving the removal of covers and shields
are for

User Manual V0.8
Electrostatic Discharge
Electrostatic discharge (ESD) can damage electronic test equipment. Working with
electronic components or test equipment should always be performed at a static
place.
High Voltage
Some units under test
can generate high voltage
the RTX6001.
To prevent damage to the RTX
External voltages should not be applied to the output terminals of the
The voltage applied to the input terminals should never exceed 150 V peak.
To avoid problems due to DC offsets on the inputs, it is recommended to use the C
input setting in most cases. C coupling is especially important when operating the unit
with inputs set to 0 dBV, -
10
Furthermore, the unit should not be operated with excessive overload for extended
periods of time. Doing so may compromise its performance.
RTX6001 Audio Analyzer
Electrostatic Discharge
Electrostatic discharge (ESD) can damage electronic test equipment. Working with
electronic components or test equipment should always be performed at a static
can generate high voltage
s
, which can damage the in/out port of
To prevent damage to the RTX
6001, the following should be observed:
External voltages should not be applied to the output terminals of the
R
The voltage applied to the input terminals should never exceed 150 V peak.
To avoid problems due to DC offsets on the inputs, it is recommended to use the C
input setting in most cases. C coupling is especially important when operating the unit
10
dBV or -20 dBV.
Furthermore, the unit should not be operated with excessive overload for extended
periods of time. Doing so may compromise its performance.
5
Electrostatic discharge (ESD) can damage electronic test equipment. Working with
electronic components or test equipment should always be performed at a static
-safe
, which can damage the in/out port of
R
TX6001.
The voltage applied to the input terminals should never exceed 150 V peak.
To avoid problems due to DC offsets on the inputs, it is recommended to use the C
input setting in most cases. C coupling is especially important when operating the unit
Furthermore, the unit should not be operated with excessive overload for extended

User Manual V0.8
Table of Contents
1 GETTI G STARTED
1.1 Introduction
1.2 Unpacking
the RTX6001 Audio Analyzer
1.2.1
Initial Inspection
1.2.2 Box Contents
1.2.3
Check Voltage Setting and Fuse Rating
1.2.4
Placement/Rack Mounting of the RTX6001
2
DESCRIPTIO OF THE R
2.1 General
2.2 Block Diagram
2.3
Front Panel Connectors
2.4
Rear Panel Connectors
2.5
Front Panel LED Indicators and Controls
3
I STALLI G THE PC SO
3.1
Minimum System Requirements
3.2
Installing the RTX6000 Series USB Driver
3.3
Connecting the RTX6001 to a PC USB Port
3.4
Switching the Audio Analyzer on f
3.5
Installing the RTX6001 Attenuation Control Program (optional)
3.6
Installing an Audio Analyzer Program
4
PERFORMI G MEASUREME
5
SPECIFICATIO S A D C
6
REGULATORY I FORMATI
6.1
Compliance and Markings
6.2 Safety
7 MAI TE A CE
7.1 Introduction
7.2
General Customer Responsibilities
7.3
Operator Maintenance
7.4
Replacing the Power Line Fuses
7.5 Cleaning
7.6 Contacting RTX
7.6.1
Before calling RTX
7.6.2
Check the Basics
7.6.3
Instrument Serial umbers
7.7 Calibration
and Service
8
RETUR I G YOUR RTX60
RTX6001 Audio Analyzer
Table of Contents
the RTX6001 Audio Analyzer
Initial Inspection
Check Voltage Setting and Fuse Rating
Placement/Rack Mounting of the RTX6001
DESCRIPTIO OF THE R
TX6001 AUDIO A ALYZER
Front Panel Connectors
Rear Panel Connectors
Front Panel LED Indicators and Controls
I STALLI G THE PC SO
FTWARE
Minimum System Requirements
Installing the RTX6000 Series USB Driver
Connecting the RTX6001 to a PC USB Port
Switching the Audio Analyzer on f
or the First Time
Installing the RTX6001 Attenuation Control Program (optional)
Installing an Audio Analyzer Program
PERFORMI G MEASUREME
TS
SPECIFICATIO S A D C
HARACTERISTICS
REGULATORY I FORMATI
O
Compliance and Markings
General Customer Responsibilities
Operator Maintenance
Replacing the Power Line Fuses
Before calling RTX
Check the Basics
Instrument Serial umbers
and Service
RETUR I G YOUR RTX60
01 AUDIO A ALYZER FO
R SERVICE
6
8
8
8
8
8
9
10
11
11
11
12
13
14
16
16
16
17
17
Installing the RTX6001 Attenuation Control Program (optional)
18
18
19
20
23
23
23
24
24
24
24
24
25
25
26
26
26
27
R SERVICE
28

User Manual V0.8
8.1
Obtaining an RMA for Service Return
8.2
Packing the RTX6001
RTX6001 Audio Analyzer
Obtaining an RMA for Service Return
Packing the RTX6001
for Shipment
7
28
28

User Manual V0.8
1Getting
Started
1.1 Introduction
The RTX6001 is a high-
performance udio nalyzer with a large degree of flexibility. It
supports a wide
range of audio tests, due to the
PC. Connected to a PC it operates as a USB audio device. This means that a wide range
of audio analyzer software is available
one that provides the
functionality needed in each particular case.
possible to use the RTX6001 in a high
The RTX6001 provides two output channels available as balanced signals on XLR
connectors or
unbalanced signals on BNC connectors. Each channel has a 3
attenuator with 20
dB steps. This allows full range signals (sine wave, balanced) from
100 mV to 10 V.
Two differential input channels are available on XLR connectors. Each channel has a 7
stage attenuator with 10
dB steps.
mV to 100 V.
4 mm connector is available on the front. This is intended for connection of ground to
the device under test. In many cases this can reduce problems with
The rear panel has a USB connector for connection to a PC and a power connector for line
power.
1.2 Unpacking
the RTX
1.2.1
Initial Inspection
Please inspect the shipping container for damage. If the shipping container or packaging
material
is damaged, it should be kept until the contents have been checked mecha
nically and electrically. If any mechanical or electrical damage is observed please notify
RTX
. Please refer to the description on how to contact
Pleas
e also keep the damaged shipping materials (if any) for inspection by the carrier
and an RTX representative.
1.2.2 Box Contents
When unpacking the
RTX6001 udio nalyzer
are included in the box.
•RTX
6001 udio nalyzer
•Main power cable
•
USB cable (for communication between the
•
Certificate of conformity
•Calibration report
(not for demo units)
RTX6001 Audio Analyzer
Started
performance udio nalyzer with a large degree of flexibility. It
range of audio tests, due to the
standardized and
open interface to the
PC. Connected to a PC it operates as a USB audio device. This means that a wide range
of audio analyzer software is available
on the market
, allowing the user to choose the
functionality needed in each particular case.
possible to use the RTX6001 in a high
-
quality audio recording and/or playback system.
The RTX6001 provides two output channels available as balanced signals on XLR
unbalanced signals on BNC connectors. Each channel has a 3
dB steps. This allows full range signals (sine wave, balanced) from
Two differential input channels are available on XLR connectors. Each channel has a 7
dB steps.
This allows full-
range signals (sine wave) from 100
4 mm connector is available on the front. This is intended for connection of ground to
the device under test. In many cases this can reduce problems with
hum.
The rear panel has a USB connector for connection to a PC and a power connector for line
the RTX
6001 Audio Analyzer
Initial Inspection
Please inspect the shipping container for damage. If the shipping container or packaging
is damaged, it should be kept until the contents have been checked mecha
nically and electrically. If any mechanical or electrical damage is observed please notify
. Please refer to the description on how to contact
RTX
provided in this document.
e also keep the damaged shipping materials (if any) for inspection by the carrier
RTX6001 udio nalyzer
please verify that the items listed below
6001 udio nalyzer
unit
USB cable (for communication between the
nalyzer and a PC)
Certificate of conformity
(not for demo units)
8
performance udio nalyzer with a large degree of flexibility. It
open interface to the
PC. Connected to a PC it operates as a USB audio device. This means that a wide range
, allowing the user to choose the
functionality needed in each particular case.
It even makes it
quality audio recording and/or playback system.
The RTX6001 provides two output channels available as balanced signals on XLR
unbalanced signals on BNC connectors. Each channel has a 3
-stage
dB steps. This allows full range signals (sine wave, balanced) from
Two differential input channels are available on XLR connectors. Each channel has a 7
-
range signals (sine wave) from 100
4 mm connector is available on the front. This is intended for connection of ground to
hum.
The rear panel has a USB connector for connection to a PC and a power connector for line
Please inspect the shipping container for damage. If the shipping container or packaging
is damaged, it should be kept until the contents have been checked mecha
-
nically and electrically. If any mechanical or electrical damage is observed please notify
provided in this document.
e also keep the damaged shipping materials (if any) for inspection by the carrier
please verify that the items listed below

User Manual V0.8
1.2.3 Check V
oltage
IMPORTANT!
Check whether the voltage
setting
main power c
ord (see instructions below).
240 V operation.
The power line fuses are
located within the
picture below
. For 110V to 120V operation the fuse
operation the fuses are T0.325 250V.
Fuse location
If the operating voltage needs to be changed, do the following:
1
Remove the power cord from the
2
Pull out the fuse drawer e.g. with a flat screwdriver.
3
Pull out the grey voltage selector and rotate it 180
voltage.
4Insert
the correct fuse
5Replace the fuse
drawer
Fuse drawer
RTX6001 Audio Analyzer
oltage
Setting and Fuse Rating
setting
is
compliant to the local region before connecting the
ord (see instructions below).
The RTX6001 is delivered prepared for 200V
located within the
power entry module o
n the rear panel
. For 110V to 120V operation the fuse
s are T0.63
250V. For 220
operation the fuses are T0.325 250V.
If the operating voltage needs to be changed, do the following:
Remove the power cord from the
nalyzer.
Pull out the fuse drawer e.g. with a flat screwdriver.
Pull out the grey voltage selector and rotate it 180
°
to select
the correct fuse
s as shown in the figure below.
Use two identical fuses.
drawer
in the power entry module.
9
compliant to the local region before connecting the
The RTX6001 is delivered prepared for 200V
–
n the rear panel
, see
250V. For 220
-240V
to select
a different line
Use two identical fuses.

User Manual V0.8
1.2.4
Placement/Rack Mounting of the RTX6001
The RTX6001
can be used on the bench top or installed in a 19 inch rack cabinet
optional mounting hardware)
horizontal surface, e.g. a table.
RTX6001 Audio Analyzer
Rack mounting is possible with an optional rack mounting kit. Please contact RTX or
distributor for additional information.
P
lease ensure that the space and airflow requirements
Dimensions of the RTX
6001 udio nalyzer
RTX6001 Audio Analyzer
Placement/Rack Mounting of the RTX6001
can be used on the bench top or installed in a 19 inch rack cabinet
optional mounting hardware)
. For desktop use, please place the R
TX6001 on a hard
horizontal surface, e.g. a table.
RTX6001 Audio Analyzer
dimensions
Rack mounting is possible with an optional rack mounting kit. Please contact RTX or
distributor for additional information.
lease ensure that the space and airflow requirements
within the rack cabinet are met.
6001 udio nalyzer
are shown in the figure
above
10
can be used on the bench top or installed in a 19 inch rack cabinet
(with
TX6001 on a hard
Rack mounting is possible with an optional rack mounting kit. Please contact RTX or
within the rack cabinet are met.
above
.

User Manual V0.8
2
Description of the
Analyzer
2.1 General
The
RTX6001 is a flexible tool for testing audio equipment. For operation it must be
connected to a high-s
peed USB port on a PC. It works as a high
card, with sample rates from 44.1 kHz to 192 kHz. To make measurements, a program
should b
e installed on the PC. Since the RTX6001 works as a sound card, a large
selection of analyzer programs is available
preferred one, based on needs and personal preference.
2.2 Block Diagram
The figure below shows
a block diagram of the RTX6001 udio nalyzer.
1 2
3
+
-
1 2
3
+
-
OSC
OSC
24.576 MHz
22.5792 MHz
0/20/40 dB
Attenuator
0/20/40 dB
Attenuator
1 2
3
+
-
1 2
3
+
-
Buffer
Buffer
Input amp
6/16/26/36 dB
Input amp
6/16/26/36 dB
Attenuator
0/10/20/30 dB
Attenuator
0/10/20/30 dB
BNC
BNC
Knobs + Indicators/
Remote Control
GND
XLR
XLR
XLR
XLR
Generator
Analyzer
The measurement section of the RTX6001 is galvanically isolated from the USB interface.
This ensures that there are no ground loops involving the connected PC.
that
potential issues with noise from the PC, e.g. n
supply of the PC, are virtually eliminated.
RTX6001 Audio Analyzer
Description of the
RTX6001
Audio
RTX6001 is a flexible tool for testing audio equipment. For operation it must be
peed USB port on a PC. It works as a high
-
performance USB sound
card, with sample rates from 44.1 kHz to 192 kHz. To make measurements, a program
e installed on the PC. Since the RTX6001 works as a sound card, a large
selection of analyzer programs is available
on the market
, allowing the user
preferred one, based on needs and personal preference.
a block diagram of the RTX6001 udio nalyzer.
ADC
ADC
buffer
ADC
buffer
MCLK
DAC
DAC
filter
DAC
filter
Buffer
Buffer
Input amp
6/16/26/36 dB
Input amp
6/16/26/36 dB
MCLK
MCLK
I2S
PSU
RESET
MCLK
:2
Knobs + Indicators/
I2C
Transformer
115/
230V
2x15VAC
9VAC
Isolator
The measurement section of the RTX6001 is galvanically isolated from the USB interface.
This ensures that there are no ground loops involving the connected PC.
potential issues with noise from the PC, e.g. n
oise from the switch
-
supply of the PC, are virtually eliminated.
11
Audio
RTX6001 is a flexible tool for testing audio equipment. For operation it must be
performance USB sound
card, with sample rates from 44.1 kHz to 192 kHz. To make measurements, a program
e installed on the PC. Since the RTX6001 works as a sound card, a large
, allowing the user
to select the
a block diagram of the RTX6001 udio nalyzer.
USB
Interface
USB
LINE
ON/OFF
115/
230V
FUSES
IEC
USB-B
The measurement section of the RTX6001 is galvanically isolated from the USB interface.
This ensures that there are no ground loops involving the connected PC.
This ensures
-
mode power

User Manual V0.8
The nalyzer section, shown at the top of the diagram, has two input channels, each with
a differential input. Both inputs are
connectors (shield) is connected to the chassis (ground) of the unit.
Switchable attenuators and gain selections allow full
100 V RMS in 10 dB steps. There are separate level settin
The two-
channel Generator section has two output connectors per channel. Each channel
has a balanced output on an XLR connector and a single
connector. Pin 1 of the XLR connectors (shield) is connected to th
the unit. The ground of the BNC connector is also connected to the chassis (ground) of
the unit. The signals on the BNC connectors are the same signals that are present on pin
2 (+) of the XLR connectors. This means that the single
level of the balanced output level. It also means that the user should be careful not to
load one output heavily in cases where both output connectors are used, since it will
influence the output level
and
The master clock used in the nalyzer is common for the Generator and the nalyzer.
The frequency will be selected based on the sample rate selected on the USB interface.
The USB connector provides the interface to the control PC.
The power s
upply can be set up for either 100 to 120 V or 220 to 240 V operation. The
switch and the fuse must be set for the correct supply voltage available at the given
location.
2.3
Front Panel Connectors
The RTX6001 provides
analog
connection.
brief overview of the available connectors is provided
description of each of the connectors.
A ailable front panel connector





 


RTX6001 Audio Analyzer
The nalyzer section, shown at the top of the diagram, has two input channels, each with
a differential input. Both inputs are
connected via XLR connectors. Pin 1 of the
connectors (shield) is connected to the chassis (ground) of the unit.
Switchable attenuators and gain selections allow full
-
scale inputs between 100 mV and
100 V RMS in 10 dB steps. There are separate level settin
gs for the two channels.
channel Generator section has two output connectors per channel. Each channel
has a balanced output on an XLR connector and a single
-
ended output on a BNC
connector. Pin 1 of the XLR connectors (shield) is connected to th
e chassis (ground) of
the unit. The ground of the BNC connector is also connected to the chassis (ground) of
the unit. The signals on the BNC connectors are the same signals that are present on pin
2 (+) of the XLR connectors. This means that the single
-en
ded output level is half the
level of the balanced output level. It also means that the user should be careful not to
load one output heavily in cases where both output connectors are used, since it will
and
potentially also the distortion.
The master clock used in the nalyzer is common for the Generator and the nalyzer.
The frequency will be selected based on the sample rate selected on the USB interface.
The USB connector provides the interface to the control PC.
upply can be set up for either 100 to 120 V or 220 to 240 V operation. The
switch and the fuse must be set for the correct supply voltage available at the given
Front Panel Connectors
analog
inputs/outputs on the front
panel as well as a ground
brief overview of the available connectors is provided
below
description of each of the connectors.
A ailable front panel connector
s


 




 


12
The nalyzer section, shown at the top of the diagram, has two input channels, each with
connected via XLR connectors. Pin 1 of the
scale inputs between 100 mV and
gs for the two channels.
channel Generator section has two output connectors per channel. Each channel
ended output on a BNC
e chassis (ground) of
the unit. The ground of the BNC connector is also connected to the chassis (ground) of
the unit. The signals on the BNC connectors are the same signals that are present on pin
ded output level is half the
level of the balanced output level. It also means that the user should be careful not to
load one output heavily in cases where both output connectors are used, since it will
The master clock used in the nalyzer is common for the Generator and the nalyzer.
The frequency will be selected based on the sample rate selected on the USB interface.
upply can be set up for either 100 to 120 V or 220 to 240 V operation. The
switch and the fuse must be set for the correct supply voltage available at the given
panel as well as a ground
below
along with a

User Manual V0.8
1. GROU D: Ground
connection (chassis) for 4 mm connector (banana plug).
2. Left Channel Out,
S
is connected to ground.
3. Left Channel Out,
B
is (+) and pin 3 is (-)
4. Right Channel O
ut,
(shield) is connected to ground.
5. Right Channel O
ut,
2 is (+) and pin 3 is (
6. Left Channel In, D
ifferential:
2 is (+) and pin 3 is (
7. Right Channel In,
D
Pin 2 is (+) and pin 3 is (
2.4 Rear
Panel Connectors
The RTX6001
provides rear panel
overview of the available connectors is provided
the connectors.
A ailable rear panel connectors
1. AC Input:
Power supply (110 / 220V).
2. USB Interface: Th
e USB interface is used for transfer of audio and control
information. It must be used
interface on the
nalyzer
speed
USB cable with Type
PC.
The connector is isolated from the chassis.
RTX6001 Audio Analyzer
connection (chassis) for 4 mm connector (banana plug).
S
ingle-ended: BNC-connector
. The outer connection (shield)
is connected to ground.
B
alanced:
XLR connector. Pin 1 is connected to ground. Pin 2
.
ut,
Single-ended: BNC-connector
. The outer connection
(shield) is connected to ground.
ut,
Balanced:
XLR connector. Pin 1 is connected to ground. Pin
2 is (+) and pin 3 is (
-).
ifferential:
XLR
connector. Pin 1 is connected to ground. Pin
2 is (+) and pin 3 is (
-).
D
ifferential:
XLR connector. Pin 1 is connected to ground.
Pin 2 is (+) and pin 3 is (
-).
Panel Connectors
provides rear panel
connectors for power and control/audio (USB)
overview of the available connectors is provided
below
along with a description of each of
A ailable rear panel connectors
Power supply (110 / 220V).
e USB interface is used for transfer of audio and control
information. It must be used
with a PC in order to control the
nalyzer
nalyzer
is a Type B receptacle, and hence, a standard
USB cable with Type
-B plugs can
be used to connect the
The connector is isolated from the chassis.



13
connection (chassis) for 4 mm connector (banana plug).
. The outer connection (shield)
XLR connector. Pin 1 is connected to ground. Pin 2
. The outer connection
XLR connector. Pin 1 is connected to ground. Pin
connector. Pin 1 is connected to ground. Pin
XLR connector. Pin 1 is connected to ground.
connectors for power and control/audio (USB)
. brief
along with a description of each of
e USB interface is used for transfer of audio and control
nalyzer
. The USB
is a Type B receptacle, and hence, a standard
High-
be used to connect the
nalyzer to a




User Manual V0.8
2.5 Front Panel
LED Indicators
On the front panel of the RTX
indicators are
described in more detail below.
Front LED Indicators
and controls
1. Power (Green
LED)
connected to the C mains and that the power switch is ON.
2. Output Range -
Left
setting for the left channel.
rotary switch below the LED’s.
3. Output Range -
Right
setting for the right channel.
rotary switch below the LED’s.
4. Remote (Yellow
LED)
attached PC. Otherwise the front panel setti
rotary switches and toggle switches.
5. Input Range -
Left
setting for the left channel.
rotary switch below the
6. AC - Left (Green
LED)
of the udio nalyzer
coupled. With local control
LED.






RTX6001 Audio Analyzer
LED Indicators
and Controls
On the front panel of the RTX
6001 there are in total 26
LED indicators.
described in more detail below.
and controls
LED)
– If this LED is lit,
it indicates that the
connected to the C mains and that the power switch is ON.
Left
(3 Green LED’s) - These LED’s
indicate
setting for the left channel.
With local control,
the setting is controlled by the
rotary switch below the LED’s.
Right
(3 Green LED’s) - These LED’s
indicate
setting for the right channel.
With local control,
the setting is controlled by the
rotary switch below the LED’s.
LED)
- If lit
the front panel settings are controlled from the
attached PC. Otherwise the front panel setti
ngs are controlled by the front panel
rotary switches and toggle switches.
Left
(7 Green LED’s) - These LED’s
indicate
setting for the left channel.
With local control,
the setting is controlled by the
rotary switch below the
LED’s.
LED)
– If this LED is lit,
it indicates that the
of the udio nalyzer
is C coupled. Otherwise,
the left channel input is DC
coupled. With local control
,
the setting is controlled by the toggle switch below the


 




 








14
LED indicators.
These LED
it indicates that the
udio nalyzer is
indicate
the output level
the setting is controlled by the
indicate
the output level
the setting is controlled by the
the front panel settings are controlled from the
ngs are controlled by the front panel
indicate
the input level
the setting is controlled by the
it indicates that the
left channel input
the left channel input is DC
the setting is controlled by the toggle switch below the


 



User Manual V0.8
7. Input Range -
Left
setting for the left channel.
rotary switch below the LED’s.
8. AC - Right (Green
LED)
input of the udio nalyzer
coupled. With local control the setting is controlled by the toggle switch below the
LED.
9. OVF - Left
(Red LED)
left channel.
10. OVF - Right
(Red LED)
the right channel.
RTX6001 Audio Analyzer
Left
(7 Green LED’s) - These LED’s
indicate
setting for the left channel.
With local control,
the setting is controlled by the
rotary switch below the LED’s.
LED)
– If this LED is lit,
it indicates that the
input of the udio nalyzer
is C coupled.
Otherwise the right channel input is DC
coupled. With local control the setting is controlled by the toggle switch below the
(Red LED)
– If this LED is lit, it indicates
an overflow condition on the
(Red LED)
– If this LED is lit, it indicates
an overflow condition on
15
indicate
the input level
the setting is controlled by the
it indicates that the
right channel
Otherwise the right channel input is DC
coupled. With local control the setting is controlled by the toggle switch below the
an overflow condition on the
an overflow condition on

User Manual V0.8
3
Installing the PC Software
In this paragraph the installation process
are included:
1. Check
the minimum system requirements to the PC on which the SW must be
installed
2.
Install RTX6000 series PC USB driver
3. Connect the
RTX6001
automatically
4. Switch the RTX6001
on
5. Install the RTX6001
a
6.
Install an audio analyzer software of your choice
7.
Run the analyzer program. Select the RTX6001 as audi
3.1
Minimum System Requirements
For successful operatio
n of the Windows
minimum requirements outlined in the table below.
System Part
CPU
RAM
Available disc space
Monitor resolution
Ports
Operating System
The high-
speed USB port should preferably be a port, which is not behind a USB hub.
USB hub
will increase the probability of
3.2
Installing the RTX6000
When used on a Windows PC
driver for
the RTX6001 must be installed on the PC for proper operation. The drivers
support Windows 7, 8, 8.1 and 10. Both 32 and 64 bit systems are supported.
Download th
e software installation package from the download center on the RTX website
https://www.rtx.dk/en/design
To install the driver run the program
version).
RTX6001 Audio Analyzer
Installing the PC Software
In this paragraph the installation process
is
outlined. The following items of information
the minimum system requirements to the PC on which the SW must be
Install RTX6000 series PC USB driver
RTX6001
to a PC USB
port. The PC should install
on
for the first time
a
ttenuation control program (optional)
Install an audio analyzer software of your choice
Run the analyzer program. Select the RTX6001 as audi
o interface
Minimum System Requirements
n of the Windows
user interface,
your PC must meet at least the
minimum requirements outlined in the table below.
Minimum requirement
1 GHz
processor (Intel© or MD) or faster
Primarily determined by the Operating
System and the application software
75 MB
1280 x 1024 pixels or higher
recommended
High-speed USB port
Windows 7, 8, 8.1 or 10 (32-
or 64
M C
Linux
speed USB port should preferably be a port, which is not behind a USB hub.
will increase the probability of
artefacts in the audio stream.
Installing the RTX6000
Series USB Driver
When used on a Windows PC
, a
driver is needed to support USB udio Class 2.0. The
the RTX6001 must be installed on the PC for proper operation. The drivers
support Windows 7, 8, 8.1 and 10. Both 32 and 64 bit systems are supported.
e software installation package from the download center on the RTX website
https://www.rtx.dk/en/design
-services/contact/download-center/.
To install the driver run the program
RTX_v4.33.0_2017-10-11_setup
.exe
16
outlined. The following items of information
the minimum system requirements to the PC on which the SW must be
port. The PC should install
the driver
o interface
your PC must meet at least the
processor (Intel© or MD) or faster
Primarily determined by the Operating
System and the application software
recommended
or 64
-bit)
speed USB port should preferably be a port, which is not behind a USB hub.
driver is needed to support USB udio Class 2.0. The
the RTX6001 must be installed on the PC for proper operation. The drivers
support Windows 7, 8, 8.1 and 10. Both 32 and 64 bit systems are supported.
e software installation package from the download center on the RTX website
.exe
(or later

User Manual V0.8
3.3 Connecting
the RTX6001 to a PC USB
To operate the
udio nalyzer
controller to the USB port using a standard USB
(supplied together with the
udio nalyzer
If the RTX6000 series PC driver was installed the
nalyzer and enumerate the unit.
Standard USB cable with Type A
3.4 Switching the
Audio Analyzer
Before switching this instrument
1)
Line voltage selector is set to the voltage of the power supply
2)
Correct fuse is installed
3)
Power supply voltage is in the specified range
Connect the Main Power Cord
Turn on the nalyzer by
toggling
Some of the LED’s on the front should light up.
Depending on the attenuator settings some clicks from relays may be heard at power on
and later during operation
. This is normal.
RTX6001 Audio Analyzer
the RTX6001 to a PC USB
Port
udio nalyzer
you must connect a PC (
Windows, M C
controller to the USB port using a standard USB
High Speed
cable with Type
udio nalyzer
).
If the RTX6000 series PC driver was installed the
Windows
PC should recognize the udio
nalyzer and enumerate the unit.
Standard USB cable with Type A
-B plugs
Audio Analyzer
on
for the First Time
Before switching this instrument
on please make sure that the:
Line voltage selector is set to the voltage of the power supply
Correct fuse is installed
Power supply voltage is in the specified range
Connect the Main Power Cord
to the IEC power connector at the back of the unit.
toggling
the ON/OFF button on the front.
Some of the LED’s on the front should light up.
Depending on the attenuator settings some clicks from relays may be heard at power on
. This is normal.
17
Windows, M C
or Linux) system
cable with Type
-B plugs
PC should recognize the udio
for the First Time
to the IEC power connector at the back of the unit.
Depending on the attenuator settings some clicks from relays may be heard at power on

User Manual V0.8
3.5
Installing the RTX600
(optional)
small utility program is provided with the RTX6001. It allows the user to monitor and
control the status of the front panel settings on the attached Windows PC.
Locate and run the
RTX6001_v1.
software installation package.
fter installation the following control panel will be available:
To bring up the control panel later, run the program by clicking the program shortcut.
3.6 Installing an
Aud
To use the RTX6001 for audio measurements a program should be installed.
The list below shows some of the available audio analyzer programs.
Virtins Multi-Instrument -
http://www.virtins.com/multi
rta, Steps -
http://www.artalabs.hr
HpW Works -
http://www.hpw
M T -
http://audioroot.net/mataa
RightMark -
http://audio.rightmark.org
SpectraPlus -
http://www.spectraplus.com
Visual nalyzer -
http://www.sillanumsoft.org
udacity -
http://www.audacityteam.org/
Virtins Multi-
Instrument has
control of output and input
settings
SIO or W S PI interface is recommended for best performance.
Other SW packages
can also be used.
Refer to the User Manual for the selected analyzer program for further
The RTX6001 can also be used for audio playback and/or recording.
RTX6001 Audio Analyzer
Installing the RTX600
1
Attenuation Control Program
small utility program is provided with the RTX6001. It allows the user to monitor and
control the status of the front panel settings on the attached Windows PC.
RTX6001_v1.
10.exe
(or newer) installation program from the
software installation package.
fter installation the following control panel will be available:
To bring up the control panel later, run the program by clicking the program shortcut.
Aud
io Analyzer Program
To use the RTX6001 for audio measurements a program should be installed.
The list below shows some of the available audio analyzer programs.
http://www.virtins.com/multi
-
instrument.shtml
http://www.artalabs.hr
/
http://www.hpw
-works.com/
http://audioroot.net/mataa
-mats-audio-analyzer/
http://audio.rightmark.org
/
http://www.spectraplus.com
/
http://www.sillanumsoft.org
/
http://www.audacityteam.org/
Instrument has
an RTX6001 option for
dedicated HW support
settings
from the analyzer SW.
SIO or W S PI interface is recommended for best performance.
can also be used.
Refer to the User Manual for the selected analyzer program for further
information.
The RTX6001 can also be used for audio playback and/or recording.
18
Attenuation Control Program
small utility program is provided with the RTX6001. It allows the user to monitor and
control the status of the front panel settings on the attached Windows PC.
(or newer) installation program from the
To bring up the control panel later, run the program by clicking the program shortcut.
To use the RTX6001 for audio measurements a program should be installed.
instrument.shtml
dedicated HW support
, with full
information.

User Manual V0.8
4
Performing
The exact operational procedure to use when performing measurements depends on the
analyzer SW used. Refer to
the
for further information.
If very low distortion is to be measured
udio nalyzer below -
10dBFS, since the distortion will increase slightly when
approaching full scale.
RTX6001 Audio Analyzer
Performing
Measurements
The exact operational procedure to use when performing measurements depends on the
the
supplier’s user manual for the
selected analyzer program
If very low distortion is to be measured
,
it is generally best to operate the RTX6001
10dBFS, since the distortion will increase slightly when
19
The exact operational procedure to use when performing measurements depends on the
selected analyzer program
it is generally best to operate the RTX6001
10dBFS, since the distortion will increase slightly when

User Manual V0.8
5
Specificatio
Technical Specifications
System
Sample rates
DC and D C resolution
Frequency accuracy
PC Interface
Analog Generator
Number of channels
Output connectors
Frequency range
Output impedance
Balanced
Unbalanced
Maximum Level (sine)
Balanced
Unbalanced
Level accuracy
Level flatness
Output attenuator
THD @ 0 dBV
THD 48 kHz sample rate
(1)
fundamental 20 Hz to 20 kHz
THD 192 kHz sample rate
(1)
fundamental 20 Hz to 20 kHz
THD @ 10 dBV
THD 48 kHz sample rate
(1)
fundamental 20 Hz to 10 kHz
THD 192 kHz sample rate
(1)
fundamental 20 Hz to 40 kHz
THD+N, 1 kHz @ 0 dBFS
(1)
THD+N 48 kHz sample rate
THD+N 192 kHz sample rate
Output related crosstalk
(2)
10 Hz to 20 kHz
20 kHz to 80 kHz
DC offset on outputs
Test signals
(
1) System specification, Generator and nalyzer combined
(
2) System specification, Generator and nalyzer combined, one output channel muted
RTX6001 Audio Analyzer
Specificatio
ns and C
haracteristics
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz,
192 kHz
24 DC, 32 bit D C
±30 ppm
USB 2.0 high-speed
2 outputs, 2 inputs
XLR for balanced outputs
BNC for unbalanced outputs
4 mm banana jack (ground)
DC to 90 kHz
100 ohm (±1%)
50 ohm (±1%)
10 V rms, no load
5 V rms, no load
< ±0.1 dB @ 1 kHz
±0.01 dB DC to 20 kHz
±0.2 dB DC to 80 kHz
3 steps, 10 V, 1 V, 100 mV
fundamental 20 Hz to 20 kHz
fundamental 20 Hz to 20 kHz
typical -124 dB @ 1 kHz
< -116 dB
typical -121 dB @ 1 kHz
< -115 dB
fundamental 20 Hz to 10 kHz
fundamental 20 Hz to 40 kHz
typical -119 dB @ 1 kHz
< -115 dB
typical -119 dB @ 1 kHz
< -115 dB
THD+N 192 kHz sample rate
20 kHz BW
typical -107dB
typical -107dB
< -120 dB
< -110 dB
< 1 mV typical
Defined by PC application
1) System specification, Generator and nalyzer combined
2) System specification, Generator and nalyzer combined, one output channel muted
20
haracteristics
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz,
2) System specification, Generator and nalyzer combined, one output channel muted