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Preamp Digitally Controlled K4100 Kit
Audio Video Equipment

Audio pre-amp, preamplifier, K4100   Preamp remote control unit (optional)
Audio pre-amp K4100. IR remote control is optional.
Click the images for a larger view.

A preamplifier is an indispensable device for controlling a audio power amplifier such as our K4020U MOSFET amplifier. Velleman developed this preamp opting for DIGITAL control of all functions, so that it contains no potentiometers at all! All preamp functions, such as volume, tone control, balance and input selection can be operated using push buttons. All preamp functions may be operated with a remote control K4101 unit available as an option.  LED displays give a clear indication of all preamp settings.

Digital Audio Preamp Features

  • all digital preamp controls
  • push button audio preamp adjustments
  • LED setting indications
  • no potentiometers to adjust
  • remote control K8049 optional

Digital Preamp Specifications

  • digital preamp input sensitivity:
    • PHONO: 5.5mv / 50K ohm
    • CD: 500mv / 32K ohm
    • TUNER, TAPE1 &2: 360mv / 22K ohm
  • digital preamp output level: LINE : 1V
  • digital preamp signal to noise ratio:
    • PHONO: 75dB
    • TAPE, CD, TUNER: 100dB
  • total harmonic distortion:  0.01%
  • frequency response:  8Hz - 150kHz (-3dB)
  • channel separation:  90dB
  • cross talk:  -99dB
  • headphones output:  280mW / 32 ohm
  • mains output:  5A
  • consumption:  6W max
  • digital preamp dimensions:  16.7in x 2.0in x 13.8in  (42.4cm x 5.08cm x 35.05cm)
  • digital preamp net weight:  11 lbs  (5kg)

Digital Audio Preamp Price

K4100 Digital audio preamp kit is economically priced at:

Only $ 379.95 + shipping!

Mail or FAX Order Digital Preamp Kit K4100

Go to ApogeeKits Electronic Kits Home Page .


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Last modified: January 16, 2008

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