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M-21S Microphone Input with Remote Volume Control

M-21S

The M-21S is a microphone input module to be used in conjunction with the 900 series components and other TOA's equipment. It has a transformer balanced microphone input with screw terminals, remote volume control function, phantom power supply function, and gain and tone controls.

 

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Specification
* 0 dB=1 V
Power Source 24 V DC (supplied from the main frame)
Current Consumption 30 mA
Input Sensitivity -60 dB* (rated output: -20 dB*), adjustable: -72 to -52 dB*
Input Impedance 600 Ω, balanced transformer-isolated
Frequency Response 25 Hz - 20 kHz ±1.5 dB
Distortion 0.05 % or less (1 kHz, output: 0 dB*)
Noise Level -86 dB* (20 Hz - 20 kHz BPF), input equivalent noise: -126 dB*
Gain 32 - 52 dB
Phantom Power +22 V DC (active or disable selectable)
Tone Control 100 Hz: 0 to -10 dB, 10 kHz: 0 to -10 dB
Remote Control Range 0 to -55 dB
Connector 5 Screw terminals
Dimensions 35 (W) × 78 (H) × 88 (D) mm (1.38 × 3.07" × 3.46")"
Weight Max. 90 g (0.2 lb)
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