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Sonifex RB-MA2

Dual Microphone Amplifier
$0.00
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A 2-way Mic amp with individual gain control for use with both dynamic and powered mic's.

Product Options

RB-MA2 (115Volt version) $368.00
RB-MA2 $368.00
  • The RB-MA2 consists of two independent low-noise microphone pre-amplifiers for converting mic level signals to line level, or for driving long lines from microphones to mixing equipment.
    All connections and controls are on the rear panel. The microphone inputs are XLR-3 type and are electronically balanced. The input gain for each input can be adjusted individually by a recessed pre-set potentiometer which allows for the use of both dynamic and powered microphones.

    The XLR-3 line outputs are electronically balanced and can be wired unbalanced by grounding the non-phase signal, allowing you to feed both balanced and unbalanced equipment. For each channel there are independent switches to control a high pass filter (low frequency roll-off at 125Hz) and to provide phantom power at +48V to the connected microphones.

    Please select the variant from the product options.

    Specifications

      Audio Specification
    Maximum Input Level -10dBu
    Maximum Output Level +28dBu
    Frequency Response 20Hz to 20kHz +/- 0.1dB (600 ohm load, ref 1kHz)
    Low Frequency Roll-Off 125Hz @ 6dB/octave
    Gain Range Adjustable 36dB to 75dB gain (adjust for each input)
    Common Mode Rejection >60dB typically
    E.I.N. 130dB
    Input Impedance 2kohm nominal balanced
    Output Impedance <50ohm
    Distortion 0.01% THD @ 1kHz, ref +8dBu output
    Phantom Power 48V
      Connections
    Inputs 2 x XLR 3 pin female (balanced)
    Outputs 2 x XLR 3 pin male (balanced, can be unbalanced)
    Mains Input Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max
      Physical Specification
    Weight Nett: 1.0kg Gross: 1.45kg
    Dimensions Raw: 28cm (W) x 10.8cm (D) x 4.2cm (H) Boxed: 36cm (W) x 20.5cm (D) x 6cm (H)
      Equipment Type
      Code   Description Plug
    RB-MA2 UK Dual Microphone Amplifier, 230V (UK 3 pin to IEC) UK
    RB-MA2 EU Dual Microphone Amplifier, 230V (European Schuko 2 pin to IEC) EU
    RB-MA2 US Dual Microphone Amplifier, 115V (USA 3 pin to IEC) US
    RB-MA2 AU Dual Microphone Amplifier, 230V (Australasian 3 pin to IEC) AU
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