Amplifiers for Sale:

These are units I’m currently offering for sale. Included with any sale are:

  • Unit with all tubes included
  • Power cord
  • 1 Year Warranty. Tubes covered also.

The Loktal SE Amplifier – $399 + S&H


  • Single-ended pentode output with loop feedback
  • 40Hz – 25kHz frequency response
  • 4.5 watts per channel output
  • Works with 7A5, 7B5, and 7C5 output tubes
  • Two stage design uses 7A4 (a loktal 6SF5) as gain/driver device
  • High quality reel-to-reel tape deck output transformers

The 5881 PP Amplifier – SOLD!


  • Push-pull distributed-load (ultra-linear)
  • 30Hz – 30kHz frequency response
  • 25 watts per channel output
  • All triode gain & driver stages using 7N7, a loktal 6SN7
  • Works with 5881, 6L6GC variants of at least 25 watt dissipation
  • Can be modified for 6BG6, 807, CV391 by request

Contact Evil Science Audio for more information:

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