Home / NPNG QMP-4NW 4 Channel Microphone Preamp
NPNG QMP-4NW 4 Channel Microphone Preamp
Architecture:
- 2 Discrete 13 Transistor Class A Op Amp Stages Per Chan.
- Discrete* 7 Transistor Front End
- Min. Gain 30dB, Max Gain 74dB
- Input Attenuation Variable -4 to -40dB Range(to produce “0” VU)
- Transformerless Balanced Inputs
- Transformer Balanced Outputs
- PPM Meter Ballistics
- Phase Reverse on Front End
Typical Performance:
- EIN Better Than -127dB 20Hz-20kHz @ 40db Gain Unwieghted
- Odd Order Harmonic Distortion @ +40dB Gain / 400Hz: +4dBu to + 23.8 dBu Below .001%
- Residual Noise below -89dB 20Hz to 20kHz @ 30dB Gain
- Onset of clipping +24.4dBu
- Input Impedance 5K Balanced
- Output Impedance 600 Ohm Balanced
- Interchannel Crosstalk below 90 dB 20-20kHz.