retro-thermionic

Retro thermionic audio harks back to the golden age of sound, utilizing vacuum tubes and thermionic valves to craft warm, rich tones. These analog components, reminiscent of mid-20th century technology, impart a distinct character to audio signals. Engineers embrace the harmonic saturation yielding vintage vibes sought after by audiophiles and music lovers. This process involves designing circuits with artistic and aesthetic intuition.

Thursday, March 3, 2022

"Palladom" - high performance F5

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  Palladom start life as a Turbo F5 build for another. But after some months he was not happy with the sound and offered to sell back the en...
Friday, February 4, 2022

"Thirty-four" - EL34 SE UL amp

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  Again using up expensive parts on hand another SE UL tube amp. This time using a tweaked schematic which favors EL34s. I have a number of ...
Thursday, January 20, 2022

"Toccata" - KT88 SE UL amplifier

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This simple two stage power amp was built from 95% parts on hand. I had all the expensive parts, tubes, OPTs, power tranni, base etc. Inter-...
Friday, December 17, 2021

“Empire” - my super F5

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The last and possibly the best F5 ever. There was another F5 which also appeared to exceed the others with performance. It also had the Mund...

“Mimic-Magic” - MM phono stage

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  Yet another Mimic and this time combining all the components I thought have sounded good in other Mimics. That’s what makes it “Magic”. An...
Wednesday, December 1, 2021

“Mundor/F5” - Pass F5 inspired with advanced boards

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  I was vey impressed with last F5 I built using Jim Audio boards. The amp sold before a I could start construction. The build was a big ste...
Thursday, October 14, 2021

“3D” - Three channel Class D amplifier

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  I completed a three channel Class D power amp for another  SNA  member. 1X 150W and 2X 180W Tripath amp modules, 500W PS with Mundorf MLyt...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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