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, April 23, 2020

"Continuum" - E88CC Gold Lion SRPP preamp

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I had bought four Gold Lion E88CC gold pin tubes for another who had one of my tube preamps and wanted to upgrade it. They d...
Monday, April 13, 2020

"Blue Wave" - CMoy style portable HP amp

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It may seem odd to build yet another portable HP amp when I only recently finished the "retro-2308" compact HP amp. I hav...
Monday, April 6, 2020

"MWH" - 1920s UX-171A tube preamp

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I was offered the challenge of building a DHT triode preamp and offered a schematic. But there was way too much sand in t...
2 comments:
Wednesday, February 5, 2020

"Image" - Low Profile 100W Class D amp

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"Image" started off as a low profile 150W Class D amp but though it sounded very good I could not remove a very low leve...
Thursday, December 26, 2019

"fiih"- Holton inspired 150W amplifier

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This is my fifth Holton (assieamps) build. Riding on the success of two 150W and lately two 300W (500W into 4omhs) I have buil...
Sunday, December 1, 2019

"Precision" - Holton 300W Class AB power amp

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Over ten years ago I made two stereo power amps for a friend based on the Holton Precision 200W amp modules. I liked ...
1 comment:
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...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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