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Stereo Pre-amplifier Kit (Stereo Preamp)


Part Number: VE-K2572

Stereo Pre-Amplifier Kit
Velleman Part Number: K2572
This it is a universal low-noise stereo pre-amplifier (preamp). It is useful for boosting small signal level audio sources to work with line-level inputs on tuners and amplifiers. This kit is easy to assemble with an easy to follow instruction/assembly guide and only a handful of components. It can be powered from a range of DC voltages (10-30VDC) and has low power consumption.

This kit is based around the Texas Instruments TL072CP Low Noise JFET Op-Amp IC. Input, Output and power are supplied to the preamp by means of solder posts located beneath the blue plastic shroud.


  • Frequency range: 40Hz - 30kHz (-3dB)
  • Max. input voltage: 50mVrms
  • Adjustable gain: 40dB max.
  • Output impedance: 1Kohm
  • Power supply: 10-30V DC / 5mA
  • PCB dimensions: 1.7 x 2.6"

QTY: 1 x Stereo Pre-amplifier Kit (Stereo Preamp)


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