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.

Tuesday, March 24, 2015

250W IR Class D amplifier

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After building two other medium and high power Class D amps (see earlier posts) I...
Sunday, February 22, 2015

CMoy knock-off for a Kiwi friend

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My good friend Bill has some crazy expensive hifi gear. He has also bought some of my home grown goodies to supplement his ...
Friday, February 13, 2015

"ROBUSTO" - 500W Class D power amp

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After completing a 100W Class D amp and enjoying the sound thought I would try a more powerful one. Wh...
2 comments:
Thursday, November 20, 2014

"Mirage" Class D 100Wpc power amp

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It is one thing building power amps and preamps etc. as SS or valve based devices. It is ...
Saturday, July 26, 2014

"VoXConcentriC" - Beyma 12" high efficiency speakers

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I wanted to build a high efficiency speaker to work with my low power valve and SS amps. These Spanish desig...
7 comments:
Monday, June 2, 2014

"Black Lace" all Ozzie valve 6V6 power amp.

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Ozzie, Ozzie, Ozzie. All Australian made Miniwatt tubes (at least 50 years old) on a Murbue base. ...
Sunday, April 27, 2014

"Parley" - valve preamp with jFet buffer

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This build is to replace a single stage valve preamp with a jFet buffer\driver stage. This allows a   sim...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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