Instruction Manual
Stereo Power Amplifier
A series of high output, high quality stereo power amplifiers offering greater reliability for a wide
range of Clubs, Stage and P.A. applications.
Features. . .
• Rugged & Reliable Stereo Power Amplifier.
• Output: Speakon, 6.3mm jack socket & Binding Post Connectors.
• EQ Processing, Low Cut, Subwoofer on rear Panel.
• Temperature controlled Fans.
• 19” 3U Rack Mountable design.
• Input: Balanced XLR & 1/4” Jack.
• Level Control & LED indicators (Power, Signal, Clip, Bass Boost & Protect) on front panel.
• Stereo, Bridge & Mono Mode Selection Switch.
• Protection: Temperature DC, Short Circuit.
• Mains voltage operation 220VAC-240VAC as well as Low Voltage Operation (150VAC).
For reliable and trouble free operation, please observe the following points:
• Ensure all input / output connections are correct and secure.
• The handling capacity of the loudspeakers is adequate for the output of the amplifier.
• Always install the amplifier in a well ventilated location.
• Protect unit from severe shocks.
4. Turn gain controls to minimum , switch on the amplifier and the Blue power LED will illuminate.
6. Protect LED. These power amplifiers feature unique DC, thermal protection circuit.
1. Connect loudspeaker system (MINIMUM load 2 ohms) with sufficient handling capacity to the output terminals of the amplifier.
2. Connect output from mixer ( or any other suitable signal source) to the appropriate input sockets of the power amplifier.
NOTE. All inputs are BALANCED and connections for the XLR input are Pin 1 = GND, 2=HOT, 3= COLD
3. Connect the power cord to the mains.
OPERATION
Models: RAX-5020, RAX-7020
Do not make any changes to the unit. This would also void your warranty.
The warranty is not applicable in case of accidents or damages caused by inappropriate use or disrespect of
the warnings contained in this manual. Studiomaster Professional can not be held responsible for personal
injuries caused by a disrespect of the safety recommendations and warnings. This is also applicable to all
damages in whatever form.
Rev000/SM RAX SERIES/JUNE 2019
SPECIFICATIONS
Model
Bridged
4Ω (5600W RMS)
8Ω (3800W RMS)
4Ω (7600W EIA)
8Ω (5000W EIA)
4Ω (7000W RMS)
8Ω (4800W RMS)
4Ω (9000W EIA)
8Ω (6200W EIA)
2Ω (2 x 2800W RMS)
4Ω (2 x 1900W RMS)
8Ω (2 x 1200W RMS)
2Ω (2 x 3700W EIA)
4Ω (2 x 2500W EIA)
8Ω (2 x 1400W EIA)
RAX 5020
RAX 7020
Input Impedance
Protection
Indicators
Dimensions (WxDxH)
Net Weight in Kg*
Single channel driven
Damping factor
Frequency Response
Cooling
Power Supply
2Ω (3000W RMS)
4Ω (2100W RMS)
8Ω (1280W RMS)
2Ω (3800W EIA)
4Ω (2800W EIA)
8Ω (1600W EIA)
2Ω (3600W RMS)
4Ω (2500W RMS)
8Ω (1500W RMS)
2Ω (4700W EIA)
4Ω (3250W EIA)
8Ω (1950W EIA)
Input Connector
(per channel)
Output Connector
(per channel)
Power, Signal, Clip, Bass boost & Protect
>350:1 (8Ω)
20Hz-20KHz (-3dB)
20KΩ Balanced/10KΩ Unbalanced
Temperature, DC short circuit, Soft-Start
XLR, Jack Stereo 6.3mm
32.0 kg
34.0 kg
482 x 133 x 527mm (3U)
Speak-on connector/
Binding Posts
2 x Variable Speed fans (120MM)
240V 50Hz,25A, 6050W
240V 50Hz,30A, 6550W
5. Adjust gain controls to required level. NOTE. If the audio input signal is too high, distortion will result and the CLIP indicator
will light. If the clip LED is lit permanently or flashes, the gain level should be reduced.
*Disclaimer: Above weight may vary /-0.5Kg.
A
1/
A
2,
Giriraj
Industrial
Estate
,
Mahakali
Caves
Road
,
Andheri
(
East
),
Mumbai
- 400 093
India.
Tel
.: +91-22-
42869000
/
001
/
Fax
: +91-22-26871453
Whats App
.: +91-
8879028079
E
info
@
audioplus
-
india
.
com
W
www
.
studiomasterprofessional
.
com
/
www
.
audioplus
-
india
.
com
* Design and specification are subject to change without notice
is a registered trademark of Audioplus in India. © Copyright Audioplus, 2008. All rights reserved.
Any unauthorised reproduction or use of logos, images or design elements is strictly prohibited by law. No part of the
compilation may be reproduced in any manner or translated without written permission.
0
10
CLIP
SIGNAL
PROTECT
POWER
BASS BOOST
CH A
0
10
CH B
O
I
POWER
• Stable 2ohm operation.
2Ω (2 x 3500W RMS)
4Ω (2 x 2400W RMS)
8Ω (2 x 1400W RMS)
2Ω (2 x 4500W EIA)
4Ω (2 x 3100W EIA)
8Ω (2 x 1800W EIA)
Stereo
