Mic/Line pre amp

Balanced microphone pre amp made with EF86 pentodeat input after which one can select line or microphone. Then there is E88C triode in SSRP connection. Pre Amp is made with smallest number of essentials so as to produce the clearest and best quality of sound. Anod voltage is achieved by usage of EZ80 rectifier. On Pre Amp one can find line/mic switchand fantom 48V switch power supply. Attenuation is made by circle switchand metafilm resistor


  • Silver wiring
  • 12 step attenuation
  • EF86 ; E88CC ; EZ80 tubes
  • MKP capacitors
  • 48V phantom power
  • 30 sec turn on HV timing
  • Slow turn on filament