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, December 17, 2021

“Empire” - my super F5

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The last and possibly the best F5 ever. There was another F5 which also appeared to exceed the others with performance. It also had the Mund...

“Mimic-Magic” - MM phono stage

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  Yet another Mimic and this time combining all the components I thought have sounded good in other Mimics. That’s what makes it “Magic”. An...
Wednesday, December 1, 2021

“Mundor/F5” - Pass F5 inspired with advanced boards

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  I was vey impressed with last F5 I built using Jim Audio boards. The amp sold before a I could start construction. The build was a big ste...
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...
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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...
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retro-thermionic
Fifty years+ in electronics with a passion for audio.
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