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, January 4, 2024

6N3 + TDA7294 integrated amp.

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A completed tube and chip integrated. Fast and crisp. Absolutely dead, dead quiet thanks to CMRR. 80Wpc, 300VA power tranni, choked power co...
Tuesday, October 31, 2023

“Piccolo Pro” - 6J1/5654W small tube preamp

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  A new 6J1/5654W tube preamp nestled into my system. Sounds as good as the last one which sold. Upgraded this build here with wood cheek ch...
Friday, September 22, 2023

“La Technique” - French made 1957 EL3N power amp

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  Inspired by the look of these vintage French made EL3N tubes - NOS NIB - with their red cumberbun and rarity I was compelled to build an a...
Monday, September 4, 2023

“Piccolo” - 5654W compact tube preamplifier

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  This smart looking and compact tube preamp uses (matched) JAN GE 5654W tubes. The kit is sold with lesser performing 6J2 but here they hav...
Thursday, August 24, 2023

“Iron Stone” - OPAMP based MM RIAA phono preamp

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  I bought the last six Jaycar LM833 dual OPAMP based MM phono stage kits. This is the very last. Two were resold and four assembled and thr...
Saturday, July 8, 2023

“Horizon” - Custom SRPP preamplifier

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This build centres around the 12AX7 tube and a SRPP schematic I have used a number of times. The custom part is a remote control which I hav...
Sunday, July 2, 2023

French EL3N pentodes in a wine box amp

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  Bought a matched pair of French EL3Ns from eBay - NOS NIB but no amp to listen to them. Also bought ceramic bases and adapters. The adapte...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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