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Redback® A 4037/43/47 Four Input PA Amplifier
40/60/100 WATT 4 INPUT PA AMPLIFIERS
A 4373
Remote Volume Module
IMPORTANT NOTE:
Please read these instructions carefully from front to back prior to installation.
They include important setup instructions.
Failure to follow these instructions may prevent the unit from working as designed.
A 4037
40 WATT PUBLIC ADDRESS AMPLIFIER
A 4043
60 WATT PUBLIC ADDRESS AMPLIFIER
A 4047
100 WATT PUBLIC ADDRESS AMPLIFIER
Optional Extras
A 4573
Alert/Evacuation Module
Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au
Operating Manual
A 2280B
Remote Volume Wall Plate
Redback® Proudly Made In Australia
Distributed by Altronic Distributors Pty. Ltd.
User manual revision number: 1.0 21/02/2019
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Summary of Contents for Redback A 4037
- Page 1 Redback® A 4037/43/47 Four Input PA Amplifier 40/60/100 WATT 4 INPUT PA AMPLIFIERS Operating Manual A 4037 40 WATT PUBLIC ADDRESS AMPLIFIER A 4043 60 WATT PUBLIC ADDRESS AMPLIFIER A 4047 100 WATT PUBLIC ADDRESS AMPLIFIER Optional Extras A 4373...
- Page 2 Australian Made Status All Redback house products made by Altronics will now be sporting the official Australian Made logo. Since starting manu- facturing of commercial audio equipment in the mid 70’s we have always taken pride in producing a quality local product.
- Page 3 Redback® A 4037/43/47 Four Input PA Amplifier OVERVIEW The Redback A 4037 40 Watt, A 4043 60 Watt and A 4047 100 Watt 4 channel mixer amplifiers are specifically designed for applications requiring up to three microphone inputs, without compromising output power and overall performance.
- Page 4 Redback® A 4037/43/47 Four Input PA Amplifier Figure 1 shows the layout of the front panel. Power Public Address Ampli er Volume 1 Volume 2 Volume 3 Master Volume Model : A 4037 Bass Treble Half Power Over Temp VOX 1...
- Page 5 Connects to 240V AC mains power with the included IEC lead. The internal fuse is an M205 1 Amp for the A 4037 40 Watt amplifier, M205 2 Amp for the A 4043 60 Watt amplifier and an M205 4 Amp for the A 4047 100 Watt amplifier.
- Page 6 Speakers fitted with 100V line transformers may be connected to the output terminals on the rear of the amplifer. Always ensure the total load of the fitted speakers does not exceed the rated output of the amplifier (ie 40 watts for the A 4037, 60 watts for the A 4043 and 100 watts for the A 4047 amplifier) otherwise damage may result.
- Page 7 Redback® A 4037/43/47 Four Input PA Amplifier PHANTOM POWER All three microphone inputs have DIP switch selectable phantom power. When enabled 15V DC will be connected to the Hot and Cold pins of the corresponding XLR. To access the DIP switches, first disconnect power from the unit and then remove the lid.
- Page 8 24V DC supply confirm the capacity of the DC power supply used. TROUBLESHOOTING If the REDBACK Phase 4 amplifier fails to deliver the rated performance, check the following: No Power, No Lights Make sure amplifier power switch is on.
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