M-11S
Mic Preamplifier Module
M-11S
The M-11S 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 removable terminal block connector, phantom power supply function, mute-receive function, and gain and tone controls.
- For balanced, low impedance microphone
- High and low cut filters for tone control
- Phantom power for condenser-type microphones
- Responds to mute bus activation via mute send module or switch-closure
- Two mute response modes: Normally-on (OFF during mute activation) or Normally-off (ON during mute activation)
- Connector: removable terminal block
* 0 dB=1 V
Power Supply
24 V DC (supplied from the main frame)
Current Consumption
14 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
Tone Control
100 Hz: 0 to -10 dB, 10 kHz: 0 to -10 dB
Phantom Power
+22 V DC (active or disable selectable)
Signal Muting Level
60 dB (at 1 kHz)
Connector
Removable terminal block (3P)
Dimensions
35 (W) x 78 (H) x 88 (D) mm (1.38" x 3.07" x 3.46")
Weight
Max. 85 g (0.19 lb)
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