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Tube Control Amplifier Kit with 4 Inputs and Aluminum Enclosure 115VAC

View K8020: Tube Control Amplifier no Compromise High-End Design (Audio)

K8020: Tube Control Amplifier no Compromise High-End Design (Audio)

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Velleman Inc.
Jameco Part no. 2186849
Manufacturer VELLEMAN INC.
Manufacturer no. K8020
  RoHS compliant
   NCNR (Non-Cancelable, Non Returnable)
web exclusive
Pricing & Availability


# of Unit Price
1+ $449.95
5+ $429.95
  • Availability:Ship  5 Days ARO 

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Tube Control Amplifier


  • no compromise high-end design
  • 4 inputs
  • exclusive, high finish, solid aluminum enclosure
  • high quality ALPS volume potentiometer
  • full tube design
  • auto muting (warm up) at power on
  • highly reliable reed relay input selection
  • separate left and right input section
  • programmable level adjustment: +6dB for each input
  • regulated DC filament supply
  • output mute function
  • switchable monitor output (for tape, CDR, MD,...)


  • input sensitivity for 0dB (0.775Vrms) out: approx. 200mV / 50Kohm
  • maximum output level: 35Vpp
  • output load impedance: 10K or higher
  • signal to noise ratio (A-weighted ref. 0dB out): 100dB
  • total harmonic distortion: <0.04% @1kHz / 47K load
  • gain: x2 or x4(+ 6dB on)
  • frequency response:
    • 7Hz to 150kHz (-3dB) @ x2 gain
    • 18Hz to 55kHz within 0.3dB
  • channel separation: 85dB @ 0dB in
  • input cross talk: < -100dB @ 0dB in
  • AC power: 115V AC (100V to 120V)
  • consumption: 16W max.
  • dimensions: 11.4 x 6.5 x 2.7"
  • weight (net): 6lb

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