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, February 14, 2012

"Paris Duo" - 6EM7 monoblock power amplifier

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Building on the success of the Paris amplifier (dual mono construction) I was asked to build a pair of monoblocks. Paris Duo has a two st...
Tuesday, December 20, 2011

Two Stage Tube Phono Preamp

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Tubecad, in a tutorial article, described a number of tube phono preamps. This is one of the simpler Tubecad designs and uses two 12AX7s i...
Wednesday, November 2, 2011

"Paris" - 6EM7 Dual Mono 2W Integrated amp.

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In this construction, "Paris", is a dual mono build. The preamp tube at the front of the amp is the on...
Monday, September 12, 2011

Universal - 4S preamp MKIV

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This is the forth of these Super Simple Single Stage (4S) valve preamps. This was not designed by me but for me and has come after building...
Saturday, July 23, 2011

The Black - 4S preamp MKIII

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This is the third of the 4S preamps I have built. It has been dubbed "The Black". This one carries quite a few schematic changes. ...
Saturday, June 25, 2011

Single Stage Tube Preamp MKII

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Shown here is the second build of the simple but good sounding preamp. In this version (MKII) two values were changed in the cuircuit which ...
Friday, June 17, 2011

Single Stage Tube preamp

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This simple single stage preamp requires only a single 12AU7, a 24V wall wart and the balance of a good stereo system. The construction cons...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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