K8020 - Valve Control Amplifier KIT

The K8020 Valve Control Amplifier SELF-ASSEMBLY electronic kit is a no compromise high-end design with specifications to please the most demanding of users.

• 4 inputs
• exclusive, high finish, solid aluminium enclosure
• high quality ALPS volume potentiometer
• full valve 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: 115Vac (100V to 120V) or 230Vac (220V to 240V)
• consumption: 16W max.
• dimensions: 290 x 165 x 68mm (11.4" x 6.5" x 2.7")
• weight (net): 2.7Kg (6lb)
• Product format: SELF-ASSEMBLY electronic kit (KT more)
• WARNING! This product operates at potentially lethal mains voltage. Construction, installation, testing and commissioning should only be attempted by competent persons, or under supervision of someone fully experienced in this field. Many areas of the assembly (including heatsinks) may operate at mains voltage. It must be fitted into a suitable isolating enclosure to avoid injury or death. This product is not suitable for children. more

• Illustrated Manual (English)
• User Manual (uk - nl - fr -de)
• Translated Assembly Manual (nl - fr - de)