Sonifex Dual Microphone Amplier with Gain Control

SON-RB-MA2G
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Sonifex Dual Microphone Amplier with Gain Control

SON-RB-MA2G
Veil. pris: Kr 6 995,- inkl. mva
RB-MA2G Dual Microphone Amplifier with Gain Controls The RB-MA2G consists of two independent low-noise microphone pre-amplifiers with front panel level controls and metering, for converting microphone level signals to line level, or for driving...

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RB-MA2G Dual Microphone Amplifier with Gain Controls

The RB-MA2G consists of two independent low-noise microphone pre-amplifiers with front panel level controls and metering, for converting microphone level signals to line level, or for driving long lines from microphones to mixing equipment.

Features:

  • Neutrik XLR connectors.
  • Mic input gain adjustment.
  • +48V phantom power.
  • High pass (rumble) filter.
  • Front panel level adjustment.
  • Front panel LED metering.

All connections are on the rear panel. The microphone input is XLR-3 type and is electronically balanced. The input gains can be adjusted individually by recessed pre-set potentiometers.

Two front panel potentiometers give ±12dB level adjustment and a 12 segment LED meter shows the audio level for each channel.

The XLR-3 line output is 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 microphone. An LED power indicator on the front panel displays the power supply connection.

Technical Specification For RB-MA2G

Audio Specifications

 
Maximum Input Level: +4dBu
Maximum Output Level: +28dBu
Input Impedance: 2kO Nominal balanced
Output Impedance: <50O Balanced
Low Frequency Roll-Off: 125Hz @ 6dB/octave
Gain Range: Adjustable 12dB to 80dB gain
E.I.N:             -128dBu, 20kHz BW, max gain, Rs=200O
Distortion:                       <0.01%, +8dBu, 20Hz – 20kHz, 40dB gain, 20kHz bandwidth
Common Mode Rejection: >66dB @ 1kHz
Phantom Power: 48V
Frequency Response: 20Hz to 20kHz +0/-0.2dB
   

Connections

 
Input: 2 x XLR 3 pin female (Balanced)
Output: 2 x XLR 3 pin male (Balanced, can be unbalanced)
Mains Input: Filtered IEC, 110V-120V, or 220-240V switchable, fused, 9W maximum
Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC)
   

Equipment Type

 
RB-MA2G: Dual microphone amplifier with gain
   

Physical Specifications

 
Dimensions (Raw): 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
19” (W) x 4.3” (D) x 1.7” (H) (1U)
Dimensions (Boxed): 58.5cm (W) x 22.5cm (D) x 7cm (H)
23” (W) x 8.9” (D) x 2.8” (H)
Weight:           Nett: 1.35kg Gross: 2.0kg
Nett: 3.0lbs  Gross: 4.4lbs