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, October 14, 2021

“3D” - Three channel Class D amplifier

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  I completed a three channel Class D power amp for another  SNA  member. 1X 150W and 2X 180W Tripath amp modules, 500W PS with Mundorf MLyt...

"Shadow" - SRPP 12AX7WA Sovtek preamp

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  Just finished this compact tube preamp with Sovtek NOS NIB 7025 (12AX7WA). Again on a jiffy box - “Shadow” - this time is an ironstone epo...
Thursday, September 30, 2021

"Shu" - CV-181-Z and Golden Dragon preamp

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  For quite a number of tube preamp builds of late I have been using SS rectification. Coming across a new Golden Dragon 5U4 rec tube and ne...
2 comments:
Monday, September 6, 2021

"Priory" - tube Headphone amp

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  From the COVID lockdown last year I made a real push to use as many parts I had on hand as I could to build them into working pieces of so...
Saturday, August 14, 2021

"Cadence" - SRPP 6SN7 Preamp

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  After building yet another SRPP 6SN7 preamp for another, who had his onw tubes, I build this one to used the spare Psvane Grant Fidelity 6...
Monday, August 2, 2021

"Essence" - 6SN7 Preamp

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  Not the first of the 6SN7 preamps I have built but his one is not for me. And not the first in this hammertone blue. This is a commission ...
2 comments:
Tuesday, July 20, 2021

"Essence" - Pass inspired Class A enhanced amplifier

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  Being very impressed with my earlier F5 build (see previous post) I made a second but this time spent a lot more on a better, cleaner, mor...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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