Tube Amp Doctor Releases the Class-A Converter

An easy way of converting a 100-watt amp down to 7, 15, or 30 watts.

Worms, Germany (December 19, 2017) -- The newest addition to Tube Amp Doctor’s well known line of high quality premium products will be first introduced to the American market at NAMM 2018.

The TAD Class-A Converters offer a super quick and easy way of converting a 100-watt amp monster into a 7-, 15- or 30-watt Class-A amp. Available in two versions, the TRI-Tone (approx. 7 watts / pair) and PEN-Tone (approx. 15 watts / pair) converters will give you pure and fully harmonic power amp saturation at low volume levels.


  • Drop output to 7, 15 or 30 watts
  • Class-A cathode bias
  • No bias-adjustment necessary
  • Simple plug’n’play-installment
  • Replace 6L6, 5881, EL34, KT66 and 6V6 tubes with TAD selected EL84-STRs
  • EL84-STRs included
  • Handcrafted by TAD in Germany

The included TAD premium-selected EL84-STR power tubes have passed various tests, spanning from gain, shock and listening tests to low noise, low microphonics and balanced output tests. Suggested retail price is $115.00 and they can be ordered directly from TAD or their US-distribution.

For more information:
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