Velleman K8010 Monobloc Vacuum Tube Amplifier Kit


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Plenty of power, deep bass and low distortion, yet still affordable. This single channel tube amp delivers up to 65W of pure class A power from its KT88 output pentodes. An attractive chrome plated enclosure has been designed to match this state-of-the-art design. This kit comes complete with everything you need to build a world class tube monobloc amplifier.

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  • 4 quality KT88 tubes in push-pull combination
  • gold plated heavy duty speaker and RCA connectors
  • easy bias adjustment with LED readout
  • standby mode stretches tube life
  • soft start circuit prevents mains fuse tripping at power-up
  • no-compromise quality components
  • custom made oversized toroid output and power transformers
  • one single PCB ensures hassle free assembly and wiring
  • removable cabinet bottom for hassle free servicing


  • tubes: 4 x KT88, 1 x ECC81, 1 x ECC82
  • output power: 65Wrms class A in 4 or 8ohm
  • bandwidth: 8Hz to 80kHz (-3dB/1W)
  • harmonic distortion: 0,1% at 1W/1kHz
  • signal/noise ratio: >110dB (A-weighted)
  • input sensitivity: 1V rms minimum (adjustable)
  • supply voltage: 100, 120, 230 or 245V AC
  • max. power consumption: 300VA
  • dimensions: 14.2" x 14.2" x 6.3"
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