From NPNG - "NPNG's mission is to create new and exciting devices for use in the recording studio. Our criteria for design is based only on usability, sound and reliability. We believe your ears are the most sensitive “test” gear on the planet. The actual "bench specifications" for the unit are comparable to any of the best pre-amps built by any manufacturer at any time in history, the difference being that we spent more time listening to music than chasing the best specifications on the planet.
NPNG started building Mic Pre-Amps in 1995. Virtually all of the original units are still in use today. The occasional service requests we get are all related to mechanical damage. The circuits are robust and reliable. Built with the finest components available, the QMP4 [and soon to be arriving DMP2 two channel pre-amp] will yield many years of trouble free use. Let's face it, if a pre-amp isn't able to work 24/7/365 then it is of little use to anyone so ours are made to be bulletproof."
Audio Samples
"To create these examples, I used a TELEFUNKEN Elektroakustic C12 in figure eight, and the Microtech Gefell UM900 also in figure of eight, both into the NPNG preamplifier. The capsule positioning was Blumlein, using player perspective with the C12 facing the neck side, and the UM900 facing the body side. Of course you can download the files and load them into your DAW to flip perceptive to audience, but I feel as though Player Perspective represents the source the best. I am a big fan of this stereo technique for classical style acoustic guitar. This particular guitar was purchased in an antique shop in Newton NJ for $20. The make is a (70's) Garcia, solid cedar top, teak neck, playing well worn Nylon Galli Strings (hard tension). I absolutely adore the sound of these microphones with this application, and patching them into the NPNG is another experience entirely." - A/B
Download the stereo 24b/96k WAV file
Download the stereo 24b/44.1k WAV file
Download the individual files
- 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
- 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.
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