K-array KA7 User manual

USER MANUAL
KA7-7
KA7

CONTENTS
ENGLISH
SYMBOLS 5
DECLARATION OF CONFORMITY 7
1.INTRODUCTION 9
2. APPLICATIONS 9
3. KEY FEATURES 10
4. UNPACKING 10
5. ACCESSORIES INCLUDED 10
6. PHYSICAL 11
7. POWER SUPPLY AND VOLTAGE REQUIRED 12
8. BACK PANEL 12
8.1 CONNECTORS AND WIRING 13
8.2 ID ASSIGNMENT 14
ID numbers 15
9. FRONT PANEL 16
10. eDSP SOFTWARE 16
11. RACK ADAPTER 22
12. SERVICE 23
13. WARRANTY 23
14. TECHNICAL DETAILS 25

4

ENGLISH
5
This symbol alerts the user to recommendations about the product’s use
and maintenance.
This symbol, wherever it appears, alerts you to important operating and
maintenance instructions in the accompanying literature. Read the manual!
Warning! Dangerous voltages: RISK of electric schock.
K-array declares that this device is in compliance with the applicable
CE standards and regulations. Before putting the device into opera-
tion, please observe the respect ive count ry-specic regulations!
WEEE
Please dispose of this product at the end of its operational lifetime
by bringing it to your local collection point or recycling centre for
such equipment.
This device complies with Restriction of Hazardous Substances Directive.
SYMBOLS

ENGLISH
6
SAFETY INSTRUCTION
WARNING
• To reduce the risk of electric shock, disconnect the amplier from the AC mains
before installing audio cable. Reconnect the power cord only after making all signal
connections.
• Connect the amplier to a two-pole, three wire grounding mains receptacle. The
receptacle must be connected to a fuse or circuit breaker. Connection to any other type
of receptacle poses a shock hazard and may violate local electrical codes.
• Do not install the amplier in wet or humid locations without using weather protection.
• Do not allow water or any foreign object to get inside the amplier. Do not put objects
containing liquid on, or near, the unit.
• To reduce the risk of overheating the amplier, avoid exposing it to direct sunlight. Do
not install the unit near heat emitting appliances, such as a room heater or stove.
• No naked ame sources such like lighted candles should be placed on the device.
• The amplier should be placed so that its location does not interfere with its proper
ventilation. For example, the appliance should not be situated on a bed, carpet, or
similar surface that may create an obstacle for the ventilation openings.
• CAUTION, RISK OF ELECTRIC SHOCK, DO NOT OPEN. This amplier contains
potentially hazardous voltages. Do not attempt to disassemble the unit. The unit
contains no user serviceable parts. Repairs should be performed only by factory trained
service personnel.
• Be sure that both voltage set by the selector on the device and AC Power have the
same value.

ENGLISH
7
The contents of this manual are furnished for informational purpose only. Hp Sound
Equipment s.r.l. assumes no responsability for any errors or inaccuracies thatmay ap-
pear in this manual. Hp Sound Equipment s.r.l. reserves the right to make modications
without prior notice.
DECLARATION OF CONFORMITY
WEEE
This device complies with the essential protection requirements of
Council Directive 89/336/EEC for the implementation of the Laws
of the Member States relating to electromagnetic compatibility. This
declaration applies to all specimens and manufacturing drawings
which form part of this declaration. Assessment of compliance
of the product with the requirements relating to electromagnetic
compatibility was based on the following standards.
Please observe the respective country-specic regulations!
EN 55013:1990+A12+A13+A14
EN 55020:1994+A11+A12+A13+A14
EN 61000-3-2:1995+A1+A2+A14
EN 61000-3-3:1995
EN 60065:1998
IEC 60065:1998
Please dispose of this product at the end of its operational lifetime by
bringing it to your local collection point or recycling centre for such
equipment.

ENGLISH
8

ENGLISH
9
1.INTRODUCTION
The KA professional rack amplier
line has been designed to meet all
the needs of touring and installation
applications in which need a large
amount of power together with the
maximum exibility, small sizes
and weight. The sophisticated
electronics on-board allow the
system to reach outstanding output
power levels with high efciency.
The on-board DSP provide perfect
signal processing for all K-array
products, providing safe working
conditions and a wide choice of
dedicated presets to solve most
needs of high-end applications.
KA7 /KA7-7
High technology Class D power amplier
2. APPLICATIONS
• Theatrical sound reinforcement
• Concert halls, clubs, houses of worship
• Exhibit audio for museum displays
• Cinema and installed AV systems
• Stage monitoring

ENGLISH
10
3. KEY FEATURES
• Very light weight
• Compact design, 2 units half rack
• Optical limiters
• Electronically protected
• Over-high efciency
• DSP on-board to drive all K-array products
• Remote control via USB or RS485
• Management software
• Top quality components for outstanding performance
• Aluminum frame
4. UNPACKING
Each K-array device is built to the highest standard and thoroughly inspected before
leaving the factory. Carefully inspect the shipping carton, then examine and test your new
loudspeaker. If you nd any damage immediately notify the shipping company. Only the
consignee may institute a claim procedure regarding the system’s electronic equipment.
5. ACCESSORIES INCLUDED
• 1 x CD-ROM
• 1 x CAT 5, 50 cm cable
• 1 x 50cm xlr cable
• 1 x power link cable
• 1 x Rack adapter kit
• 1 x User’s manual

ENGLISH
11
6. PHYSICAL
27 cm 20 cm
8.8 cm
20 cm
27 cm
20 cm
8.8 cm
20 cm
27 cm
Weight:
KA7 4.03 Kg (8.89 lbs)
KA7-7 4.44 Kg (9.79 lbs)

ENGLISH
12
1
1. Powercon IN
2. Powercon OUT (max 15A)
3. Speakon1 OUT (CH1, CH2)
4. Speakon1 OUT (CH3, CH4)
5. DIP Switch ID assigment
6. USB remote control connector
7. RS485 remote control connectors
8. Input 1 level PAD
5 6 8 10
11
13
14 15
12
9
7
4
1
2
3
9. Input 2 level PAD
10. Input 1 ground lift switch
11. Input 2 ground lift switch
12., 13. Input 1 XLR balanced parallel
connectors
14., 15. Input 2 XLR balanced parallel
connectors
KA7 and KA7-7 operate safely and without audio discontinuity if the AC voltage stays
within an operating window of 90 V to 260 V.
Check the voltage before connecting the amplier to the AC power.
A higher voltage could seriously damage the device.
7. POWER SUPPLY AND VOLTAGE REQUIRED
8. BACK PANEL

ENGLISH
13
8.1 CONNECTORS AND WIRING
SPEAKON 1 OUT SPEAKON 2 OUT
CH1 + CH2 +
CH1 -CH2 - CH2 -
2+2+
1+1+
2-2- 1-1-
CH1 in
CH1
hot
XLR connector
CH1
grd
CH1
cold
CH1
hot
CH1
grd
CH1
cold
CH1 out CH2 in
CH2
hot
XLR connector
CH2
grd
CH2
cold
CH2
hot
CH2
grd
CH2
cold
CH2 out
21
3
2
1
3
21
3
2
1
3
SPEAKON 1 OUT SPEAKON 2 OUT
CH3 +CH1 +
CH2 +
CH3 -CH1 -CH2 -
2+2+
1+1+
2-2- 1-1-
CH1 in
CH1
hot
XLR connector
CH1
grd
CH1
cold
CH1
hot
CH1
grd
CH1
cold
CH1 out CH2 in
CH2
hot
XLR connector
CH2
grd
CH2
cold
CH2
hot
CH2
grd
CH2
cold
CH2 out
CH4 +
CH4 -
21
3
2
1
3
21
3
2
1
3
KA7
KA7-7
N.C.
N.C.

ENGLISH
14
RS485
K-USB
ACCESSORY
DIRECT USB
CABLE
RS485
USB
USB
AMPLIFIER’S
DSP
AMPLIFIER’S
DSP
PC
PC
The USB and RS485 connectors allow a PC to be connect to the device to
set the DSP processor. You can plug either a direct USB cable or the K-USB
adapter into RS485.
Each amplier can be identied with an ID number (up to 30 different choices)
by setting the rst ve selectors of the DIP SWITCH on the rear panel.
Always set up the sixth selector in the last device connected, even if there is
only one unit.
It is possible to connect multiple modules to the RS485 connection, up to 31
IDs.
8.2 ID ASSIGNMENT
last device
connected

ENGLISH
15
ID numbers
This conguration of the dip
switches (ID = 31) is reserved.
eDsp will not recognize the
connected device.
Do not use this conguration.

ENGLISH
16
9. FRONT PANEL
KA7
1 3 52 4 5 6
1. Protection indicator
2. Indicator of proper operating
3. Indicator of signal/clip CH1 IN
4. Indicator of signal/clip CH2 IN
5. Power switch
SYSTEM REQUIRED
Operating systems:
Win XP/ Vista / 7.
Minimum requirements:
CPU 300 MHz
RAM 128 Mb
Recommended requirements:
RAM 512 Mb
The amplier is equipped with two INPUTS
and four DSP OUTPUTS that work using
K-array eDSP software.
This software runs on all Windows PCs,
it communicates via USB or RS485
(K-USB).
The eDSP software allows you to manage
EQ, Dynamics and signal levels in real
time.
The amplier out of the box has no on
board preset loaded. It’s necessary to
connect it via USB the rst it is used, and
upload the right preset for your application.
10. eDSP SOFTWARE

ENGLISH
17
1. Do not plug in the USB before installing the software.
2. Install the eDSP software included in the CD-ROM. The software can be down-
loaded from the website too.
3. Connect the amplier via USB and install the driver from the installed software
folder on your HD (e.g. C:\Program\K-array\K-eDsp\CDM20602)
4. Run the eDSP software
5. If the window shown in pic.1 appears, click on No and select the connection
mode that you are using as shown in pic.2.
pic.1
pic.2

ENGLISH
18
6. Go to the network (pic. 3) page and click on the connected ID (the unit highlighted
in yellow)
7. On the INFO page (pic.4) you can see the amplier details such as name (editable),
rmware version and ID.
pic.3

ENGLISH
19
8. Click on the USER button (shortcut: F4), from here you can change EQ, levels and
dynamics.
pic.4
1
2
3
1. Click here to get the stored parameters from the device memory to the software.
2. Click here to send the current software parameters to the DSP module.
3. Click here to upgrade the rmware when new versions come out.

ENGLISH
20
pic.5
1
2
3
4
567
1. Four different cells of EQ. can be enabled in three different modes: Low
Shelf, High Shelf or Peak. The Low and High Shelf lters boost (or reduce)
energy at the set frequencies and all frequencies above it(in low shelf) or below
it (in high shelf) . The Peak lter boosts (or reduces) energy at the set frequency
and across a band of frequencies close to the set frequency.
2. The ‘Q’ value sets the width of the band of frequencies that will be boosted
(or reduced)
3. The ‘Freq’ value sets the frequency around which you are operating.
4. The ‘Gain’ value sets how much energy has to be boosted (or reduced)
around the set frequency.
5. Main CH1 INPUT level
6. Dedicated stereo dynamic processor.
7. Press the ‘Link’ button to group together CH1 and CH2 settings.