Amplified Noise-Cancelling (Carbon Equivalent) Microphone

Microphone Characteristics

  1. Sensitivity at 1 kHz: -24 ± 4 dBV.

  2. Impedance at 1 kHz: 70 ohms ± 15 ohms.

  3. DC Resistance: 135 ohms ± 25 ohms (at 20 mADC).

  4. Operating Current Range: 6.5 - 140 mADC.

  5. Operating Voltage Range: 2.0 - 6.5 VDC.

  6. Polarity: none.

  7. Noise Cancellation: NLT 6 dB (300 Hz to 3.3 kHz).

  8. Weight: 29 ±3 g.

Frequency response chart

Noice cancellation chart