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Reference
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PM-2
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power supply
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6 - 18 V / 5 mA
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dimensions
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50 x 35 x 20 mm.
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weight
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24 gr.
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PM-1 and PM-2 are Pre-amplifier for low and high impedance microphones. You could adjust the gain thanks to the potentiometer inserted in the PCB. Input signal: 5 mV. Output signal: 300 mV. Inpedance Output: 1 Ohm. Inpedance Input: 560 ohms. Power Supply: 6-18 .D.C. / 5mA (Module Fe-2)
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