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.

Friday, May 19, 2023

"Clarity" - 70W Class AB power amp

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From some inexpensive pre-assembled 120W SS power boards I constructed this good looking and extremely good sounding power amp. The brds are...
Friday, March 17, 2023

"Xfi" - Garber inspired X-amp

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  If Don Garber hadn't built the X-amp all those years ago neither would I. Don passed in 2017 so I can't image too many new X-amps ...
2 comments:
Saturday, February 25, 2023

"Oceans" - 6SN7 single stage preamp

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  This build is very similar to the original Ocean but the tube is a new JJ 6SN7GT.  Nice so far but all parts need a 50 hour break-in. Chok...
Friday, February 3, 2023

Reference - EAR834p MM phono stage

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  This the third of the EAR834p builds but only the second of this high-end kit. The PCB for both the preamp and PS are heavier duty 2oz cop...
Friday, January 13, 2023

External Xovers with high-end inductors

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  I was asked to make some external Xovers for another's expensive big speakers. Initially it was to be an electronic Xover which I have...
Sunday, December 25, 2022

"Ocean" - RCA 6SN7 preamp

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  Once more drawing from vintage tubes I've had for years here is another fabulous sounding super simple preamp. On a compact cast Al en...
2 comments:
Saturday, November 26, 2022

"Mirage" - 6H3N-EB preamp

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There are many strange and wonderful tubes you can build preamps and power amps with. When repairing an Asian made 300B I thought the driver...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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