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adjustable gain amplifier

Stereo Balanced Adjustable Gain Amplifier

This universal gain change solution is ideal where equipment has set output levels and the gain needs adjustment. In addition there are four selectors to output audio as required. Stereo is the normal mode, Left will direct Left only audio to both outputs, Right will direct Right only audio to both outputs and Mono will combine the Left and Right inputs to the outputs. Mono is also a useful phase check. Stereo - Both Left and Right signals are directed to their respective output paths. Left - The Left input signal is directed to both Left and Right output paths. Right - The Right input signal is directed to both Left and Right output paths. Mono - The stereo Left and Right input signals are combined to be mono audio and are directed to both Left and Right output paths.

Features and Specs:

  • Input: 2 x XLR 3 pin Female +4dBm nominal into 600 ohms
  • Input Impedance: Bridging 40K ohm or internal 600 ohm patch (default)
  • Maximum Input: +24dBm
  • Output: 2 x XLR 3 pin Male +4dBm nominal into 600 ohms
  • Output Selection Modes: Stereo, All Left, All Right, Mono
  • Frequency Response: 10Hz - 20KHz ±0.1dB
  • Distortion: < -85dB at 1KHz ref +4dBm output
  • Noise: < -85dB 22Hz - 22KHz ref +4dBm output
  • Gain: -12dB to +12dB front panel
  • Power: IEC Inlet, 3 Watts, 230 or 115 VAC 50/60 Hz
  • Fuse: Delay type 32mA for 230VAC, 80mA for 115VAC
  • Dimensions: 142(w) x 42(h) x 153(d) heavy duty aluminium extrusion
  • Rack Mounting: Optional RF300 takes three to a 1RU frame
  • Finish: Black Powder coated satin front and rear, stipple case
  • Weight: 850g plus packaging
audio gain amplifier

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