A 4020A • 30W 2 Input 100V Public Address Amplifier

Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS. Frequency response extends from 40Hz to 10kHz at a total harmonic distortion (THD) of less than 0.5%. Output is 100V line only.

SKU: A 4020A Categories: ,
Overview

Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS. Frequency response extends from 40Hz to 10kHz at a total harmonic distortion (THD) of less than 0.5%. Output is 100V line only. This unit includes thermal overload shutdown, over current and short circuit protection. With one balanced microphone and two stereo line inputs, with recessed treble and bass controls, it’s perfect for simple installations requiring minimal inputs. VOX circuit on input 1 mutes input 2. Features variable sensitivity and time delay setting.

Key Features:

  • Balanced microphone input
  • Built in VOX muting circuit
  • Stereo line inputs
  • Bass and treble tone controls
  • 240V AC operation
  • Built in short circuit protection
  • Thermal shutdown circuit protection

 



Developed, designed & assembled in Australia.
Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.



Backed by an industry leading 10 Year Manufacturer Warranty.
Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.

Specifications
Power output: 30 watts RMS
Distortion: < 0.5% @ 1kHz
Output line: 100V

Signal to Noise Ratio
All volume controls min, typically 72dB below rated output.
All inputs display same S/N ratio.

Frequency Response
Mic: 52Hz – 10kHz, -3dB
Line: 40Hz – 10kHz, -3dB
Input Sensitivity
Mic input: 2.6mV balanced
Line inputs: 150mV

Controls
Volume 1: Controls mic 1 / line 1
Volume 2:. Controls line 2
Bass: ±10dB @ 100Hz
Treble: ±13dB @ 10kHz
Power: On/off switch

Output Connectors
Speakers: Screw terminals

Muting
VOX only (-79dB)

Input Connectors
Mic input: 3 pin XLR balanced
Line inputs: RCA stereo socket, bridged mono
240V AC power: IEC power connector

Power supply: 240V AC
Indicators: Power
Fuse protection: 1A AC, 1.5A x 2 DC internal
Size: 300W x 220D x 74H mm
Weight: ≈4.8kg
Colour: Black

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