MPN #KeyPre    


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The KeyPre was designed for professional keyboard, synthesizer, and drum machine users who want to use something better than a mixer input channel or a DI (direct injection).

Electronic instruments often have a wide range of different output levels and impedances, and with much wider bandwidth than traditional passive instruments such as electric guitars.

This presents a challenge for any outboard device following it. A high performance preamplifier, specifically designed for electronic instruments, is needed to ensure nothing is being compromised or bottlenecked as your sound is being processed.

Over two years have been dedicated to research, test, and develop the KeyPre and we are confident it will preserve the integrity of your electronic instrument for both recording and live applications.
  • Six independent channels
  • TRS balanced inputs and output, and additional inputs in the front for up to 12 inputs
  • Uses the high performance Ingenius input stage
  • Direct coupled discrete preamplifier
  • Jensen transformer balanced output
  • Up to 32dB's of Gain
  • Can be used with either balanced or unbalanced keyboards
  • Supports all variety of electronic keyboard or synthesizer output impedances
  • Very wide frequency response to capture the full bandwidth of your electronic instrument
  • High headroom surpasses even your DAW
  • 5 bargraph LED meter which can be custom adjusted internally
  • Internal international power supply
  • Patented Xsolate Ground Lift System to safely isolate output stage ground connection
  • Designed and manufactured in the U.S.
  • Frequency Response: 3Hz - 70kHz
    Input Impedance: 48k ohms
    Maximum Level before clipping: +28dBu
    THD+N: 0.015% @ 10dB Gain
    CMRR: 90 dB @ 60Hz
    IMD: 0.02% (400Hz, 4kHz)
    Noise: -115dB (unfiltered, unweighted)
    Dimensions: 19"W x 1.75"H x 8"D
    Weight: 8 lbs (3.6kg)
    Power requirements: 00-240 VAC, 0.65A, 50/60Hz
    Power consumption: 18W
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