Neve 1073 OPX User manual

1
1073 OPX
®
8 channel Microphone, Line and Instrument
Preamplifier
Installation Guide
Issue 1

2
Table of Contents
Health & Safety notice ...............................................................................................3
Important safety Instructions U.S................................................................................4
Warning symbols .....................................................................................................6
Environmental Considerations .....................................................................................6
Cooling ...................................................................................................................6
Important Safety Instructions UK ...............................................................................7
Important Power Notice .............................................................................................8
Dimensions & Power requirements...............................................................................9
Front & Back Panels ................................................................................................ 10
Fitting the optional digital card.................................................................................. 11
Unit Connection Table.............................................................................................. 12
25-Way D-Type Pin outs .......................................................................................... 13
Line/XLR input/output Tables.................................................................................... 14
Audio Specification .................................................................................................. 14
Circuit Flow Diagram ............................................................................................... 15
Head Office:
AMS Neve
Billington Road
Burnley
Lancashire
England
BB11 5UB
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Web: www.ams-neve.com
© ® 2005 - 2020 AMS Neve Ltd own the copyright of all information and figures contained in this manual which are not to be copied or reproduced by any means or
disclosed in part or whole to any third party without written permission. As part of our policy of continual product improvement, we reserve the right to alter specifications
without notice but with due regard to all current legislation.
Disclaimer: The information in this manual has been carefully checked and is believed to be accurate at the time of publication. However, no responsibility is taken by AMS-
Neve for inaccuracies, errors or omissions nor any liability assumed for any loss or damage resulting either directly or indirectly from use of the information contained within.
Trademarks: Neve®, 1073® and Marinair® are registered trademarks. AMS Neve Limited pursues a policy of continual improvement therefore all specifications are
subject to change without notice. All trademarks are property of their respective owners E & O E ©2020 AMS Neve Ltd.
.

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Health & Safety Notice
FOR YOUR OWN SAFETY AND FOR THE PROTECTION OF OTHERS
PLEASE OBSERVE THE FOLLOWING HEALTH AND SAFETY INSTRUCTIONS
•READ THESE INSTRUCTIONS AND KEEP THEM HANDY
•HEED ALL SAFETY WARNINGS
•DO NOT USE NEAR WATER
•CLEAN ONLY WITH A DRY CLOTH
•DO NOT INSTALL NEAR HEAT SOURCES
•DO NOT BLOCK VENTILATION OPENINGS
•PROTECT THE POWER CORD
•USE ONLY ACCESSORIES SPECIFIED BY THE MANUFACTURER
•UNPLUG WHEN UNUSED FOR LONG PERIODS OF TIME
•OPTIONAL CARDS SHOULD NOT BE INSERTED OR REMOVED WITH THE
POWER ON
•REFER ALL SERVICING TO QUALIFIED PERSONNEL ONLY
•NO USER SERVICEABLE PARTS INSIDE
FAILURE TO OBSERVE THESE PROCEDURES AND RECOMMENDATIONS
WILL INVALIDATE THE MANUFACTURER’S WARRANTY

4
Important Safety Instructions
Read these instructions
Keep these instructions
Heed all warnings
Follow all instructions
Do not use this apparatus near water
Clean only with a dry cloth
Do not block any ventilation openings.
Install in accordance with the manufacturer's instructions.
Do not install near any heat sources such as radiators,
heat registers, stoves or other apparatus (including
amplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or
grounding-type plug.
A polarized plug has two blades and a third grounding prong.
The wide blade or the third prong are provided for your safety.
If the provided plug does not fit into your external PSU,
consult an electrician for replacement of the obsolete outlet.
As this apparatus is constructed to Class I, it shall be
connected to the external PSU MAINS socket outlet with
protective earthing connection.
Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit the apparatus.
Where the MAINS plug or an appliance coupler is used as the
disconnect device, the disconnect device shall remain readily
operable.
Only use attachments / accessories specified by the
manufacturer.
Unplug this apparatus during lightning storms or when
unused for long periods of time.
Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been damaged in
any way, such as power-supply cord or plug is damaged, liquid
has been spilled, or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not
operate normally or has been dropped.

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WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO
RAIN OR MOISTURE.
WARNING:
THIS APPARATUS HAS CLASS I CONSTRUCTION AND SHALL BE CONNECTED TO THE
EXTERNAL PSU MAINS SOCKET OUTLET WITH A PROTECTIVE EARTHING CONNECTION.
WARNING:
WHERE THE MAINS PLUG OR AN APPLIANCE COUPLER IS USED AS THE DISCONNECT
DEVICE, THE DISCONNECT DEVICE SHALL REMAIN READILY OPERABLE.
For full operational instructions, please refer to the 1073 OPX User
Manual.

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Warning Symbols
No user serviceable parts inside
Environmental considerations
Temperature Operating 5°C to 30°C
(41°F to 86°F)
Non-operating -20°C to 50°C
(-2°F to 122°F)
Max Gradient 15°C/Hour
(59°F/Hour)
Relative Humidity Operating 20% to 80%
Non-operating 5% to 90%
Max wet bulb 28°C non-condensing
(or 57°F non-condensing)
Altitude Operating 0 to 2,000m
FNon-operating 0 to 12,000m
Cooling
Care must be taken not to place any accessories that could
block the ventilation above or below the units external PSU
or the Units ventilation system.
The external PSU will operate over an ambient temperature
range of -10°C to +30°C (14°F to 86°F).
Please refer to the manual before operating
Danger of electric shock
Disconnect from the MAINS before opening cover

7
Important Safety Instructions
READ THESE INSTRUCTIONS AND KEEP THEM HANDY
HEED ALL SAFETY WARNINGS
THE UNIT MUST BE EARTHED WHEN OPERATED
DO NOT USE NEAR WATER
CLEAN ONLY WITH A DRY CLOTH
DO NOT INSTALL NEAR HEAT SOURCES
DO NOT BLOCK VENTILATION OPENINGS
THE AMBIENT ROOM TEMPERATURE SHOULD BE NO
GREATER THAN 30°C / 86°F
PROTECT THE POWER CORDS
USE ONLY ACCESSORIES SPECIFIED BY THE
MANUFACTURER
UNPLUG WHEN UNUSED FOR LONG PERIODS OF TIME OR
DURING LIGHTNING STORMS
OPTIONAL CARDS SHOULD NOT BE INSERTED OR REMOVED
WITH THE POWER ON
REFER ALL SERVICING TO QUALIFIED PERSONNEL ONLY
NO USER SERVICEABLE PARTS INSIDE


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IMPORTANT POWER NOTICE
THE UNIT POWER SUPPLY IS SUPPLIED WITH A 3-CORE AC POWER
CABLE APPLICABLE TO THE REGION IT IS TO BE OPERATED IN, AND
MUST BE CONNECTED TO A 3-PIN EARTHED SUPPLY.
IF A REPLACEMENT CABLE IS USED, THEN THE EARTH FROM THE
MAINS SOCKET OR TECHNICAL EARTH TO THE CONSOLE MUST BE
MAINTAINED.
IF ONLY A 2-PIN (NO EARTH) SUPPLY IS AVAILABLE, THEN THE
EXTERNAL PSU MUST BE INSTALLED BY A QUALIFIED ELECTRICIAN
TO ENSURE THAT THE UNITS METALWORK IS PERMANENTLY
EARTHED.
THE EXTERNAL PSU SHOULD ONLY BE POWERED FROM A SINGLE-
PHASE SUPPLY WITH THE NEUTRAL CONDUCTOR AT EARTH
POTENTIAL.
FAILURE TO FOLLOW THESE PROCEDURES AND RECOMMENDATIONS
COULD INVALIDATE THE MANUFACTURER'S WARRANTY

9
Dimensions& Power Requirements
Unit Physical / Technical Information
Height
89mm/3.5 inches
Width
484mm/19.05 inches
Depth
360mm/14.17 inches
Weight
7.8Kg
Heat Dissipation
40 Watts
Power factor
>0.90
Voltage
Input Voltage Range
90-240V AC Only
Current
Amps RMS 240V
0.135A
Current
Amps RMS 90V
0.330A
Current
Switch-On surge
current –65A Peak @
240V

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Front & Back Panels
1073 OPX Front Plate
1073 OPX Rear Plate

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Fitting the Optional Digital Card

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Unit Connection Tables
External PSU Mains, fused @ 4 amps
IEC male
Preamp Microphone Inputs (Front)
XLR 3-pin plug female
Preamp Microphone Inputs (Rear)
25-way D-Type, Tascam convention
Preamp Line Inputs (Front)
¼" TRS Jack sockets
Preamp Line Inputs (Rear)
25-way D-Type, Tascam convention
Preamp D.I inputs
¼" TRS Jack sockets
Preamp Outputs (Rear)
25-way D-Type, Tascam convention
Headphone Output
¼" TRS Jack socket
Monitor Inputs
XLR 3-pin plug Female
Monitor Outputs
XLR 3-pin plug Male
Comms
CAT 5/6 ethernet socket

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Unit 25-Way D-Type Pin Outs
Preamp Mic Input 1-8 D-Type 25-Way Pin Outs
(25-way D-type)
Signal
Name
Pin
Hi
Lo
Screen
1
Microphone Input 1
24
12
25
2
Microphone Input2
10
23
11
3
Microphone Input3
21
9
22
4
Microphone Input4
7
20
8
5
Microphone Input5
18
6
19
6
Microphone Input6
4
17
5
7
Microphone Input7
15
3
16
8
Microphone Input8
1
14
2
Preamp Line Input 1-8 D-Type 25-Way Pin Outs
(25-way D-type)
Signal
Name
Pin
Hi
Lo
Screen
1
Line Input 1
24
12
25
2
Line Input 2
10
23
11
3
Line Input 3
21
9
22
4
Line Input 4
7
20
8
5
Line Input 5
18
6
19
6
Line Input 6
4
17
5
7
Line Input 7
15
3
16
8
Line Input 8
1
14
2
Preamp Outputs 1-8D-Type 25-Way Pin Outs
(25-way D-type)
Signal
Name
Pin
Hi
Lo
Screen
1
Preamp Output 1
24
12
25
2
Preamp Output 2
10
23
11
3
Preamp Output 3
21
9
22
4
Preamp Output 4
7
20
8
5
Preamp Output 5
18
6
19
6
Preamp Output 6
4
17
5
7
Preamp Output 7
15
3
16
8
Preamp Output 8
1
14
2

14
Line & D.I Inputs & Headphone output.
All ¼’’ Line Inputs & Outputs on the unit have the same wiring
Tip
Hot
Ring
Cold
Sleeve
Ground
XLR Inputs& Outputs
All XLR Inputs & Outputs on the unit have the same wiring
Pin 2
Hot
Pin 3
Cold
Pin 1
Ground
Audio Specification
General Specifications
Headroom
>+26dBu @ 1kHz (<0.5% THD+N)
Frequency Response
Typically +/- 0.15dB, 20Hz to 20kHz
Distortion (THD+N)
Typically 0.002% @ 1kHz (measured at +20dBu, 10Hz to 80kHz filter)
General Noise
<-85dBu (20Hz to 22kHz filter)
Mic EIN Noise
-124dBu (20Hz to 20kHz)
Microphone Inputs
Input Impedance ≈300Ω or ≈1.3kΩ (PAD out). Transformer coupled.
Gain 20dB to 70dB in 1dB steps.
Line Inputs
Input Impedance ≈10kΩ Bridging (PAD out). Gain -20dB to +20dB in
1dB steps.
DI Inputs
Input Impedance >680kΩ. Transformer-less Class A Gain 30dB to 60dB
in 1dB steps.
Crosstalk
Inter-channel crosstalk
<100dBu @ 1kHz

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Circuit Flow Diagram