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Operating Manual
A 4264
4 x 60Watt Power Amplifier
OVERVIEW
The Redback A 4264 is a 4 x 60 Watt power amplifier for installations requiring four amplifiers in a small rack space. The
amplifier is ideally suited for use with multi zone audio systems using 100V line speaker systems only.
FEATURES
• 4 independent 60W amplifiers
• Very Low noise and distortion
• 100V outputs
• 240V AC or 24V DC operation
• Output Peak Limited
• Thermal Overload protected
• Power Status Indicators
• Peak Limit Indicators
• Overload Indicators
• 2RU Rack Mountable (suits 19 inch racks)
POWER SUPPLY
The amplifier operates on 230V AC or 24V DC primarily for battery backup operation. Ensure power is switched OFF at
the front panel before connecting either mains power to the IEC socket or 24V DC to the screw terminal input. As high
currents may be drawn when operating from a 24V DC supply confirm the capacity of the DC power supply used.
AUDIO CONNECTIONS
Audio input is via 3 pin balanced XLR sockets with input sensitivities of 300mV. Pinout details are printed on the rear of
the amplifier. The amplifier output level controls are rear mounted to prevent tampering or accidental adjustment.
Redback® Proudly Made In Australia
User manual revision number: 1.1 25/11/2015
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Summary of Contents for Redback PHASE 5 A 4264
- Page 1 OVERVIEW The Redback A 4264 is a 4 x 60 Watt power amplifier for installations requiring four amplifiers in a small rack space. The amplifier is ideally suited for use with multi zone audio systems using 100V line speaker systems only.
- Page 2 Channel 2 100V Out This is a 60W output for driving speakers fitted with 100V line transformers. Channel 1 100V Out This is a 60W output for driving speakers fitted with 100V line transformers. Redback® Proudly Made In Australia www.altronics.com.au...
- Page 3 500W TROUBLE SHOOTING 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. Make sure mains power switch is on at the wall. Check the mains and DC fuse.
- Page 4 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.
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