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, September 5, 2019

Lagoon Take 3

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Finally finished this JJ12AU7 preamp - SRPP. Finish is blue hammer tone on a Hammond wood cheek chassis. The cct. is constructed on a t...
Sunday, August 25, 2019

"Gothic" - all FET headphone amp

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Oatley Electronics Australia had been selling headphone (HP) kits for some years. These were based around the JAN6418 subminiature...
Tuesday, July 30, 2019

"Overture" - LM4780 chip power amp

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Originally this 1U rack mount enclosure was intended for another chip amp which really didn't work well.  Now with a LM4...
Friday, June 14, 2019

"retro-2308" - portable chip headphone amp

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I have been using the Oatley K272C kit in a portable HP amp enclosure for years now. It has spent a lot of time on trai...
Thursday, May 23, 2019

"LeManja" - Hybrid Tube and chip headphone amp

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LeManja comprises a tube front-end and a chip backend. The tube section is a 4SU universal design so that any 12A?7 tube can be...
Saturday, April 6, 2019

"Altec-Faital" - Altec 511B horns with Italian FaitalPro drivers

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I never really liked horns whether commercial or DIY but after listening to a friends Altecs I thought that if ever a cheap...
Friday, April 5, 2019

"Njira" - 180W Tripath Class D in Hammond chassis

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After a number very successful builds in these compact Hammond wood cheeked chassis I thought a matching power amp with external...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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