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audio with realistic timbre
 

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September 6th, 2020 12:54
Wrote an article to do just that without hiss, hum or microphony..  Suitable both for power triodes and the older triodes.&nb  Read more...
August 21st, 2020 21:22
Yesterday evening we were priviledged to be able to swap different brands AD1. My friend brought a pair Telefunken and a pair Siemens where I had a pair Philips and Tungsram at hand. Although equivalents
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August 11th, 2020 22:31
Playing now for a few weeks: a preamplifier built with transformers on nano-crystalline cores. It is a simple design, input transformer, amplification, step-down line transformer and autoformer for attenuation
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June 26th, 2020 9:39
I seldom link projects or articles but this is an exception. Please visit Ale's website and read his just published article on a 300B Single Ended amplifier. It IS different from most other 300B designs see
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June 5th, 2020 22:43
Took me some time to match it with my DV505 tonearm, but succeeded! And how! First impression is that it is astonishingly good..  Now let it play for some time, learn it, taste it, read it, feel it. Before
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May 31st, 2020 11:12
After some trial (and error!) a new power supply for the riaa-correction amplifier has been running for a month now. I was looking for a circuit using the same era tubes as the CF50 and AC2 being used in the
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May 30th, 2020 22:40
Just got myself a hotrodded Supex. It is a 909 but cleaned, rebuilt, cactussed and tuned. Aluminium sides are replaced by Blackwood. Stunningly good craftsmanship by Rik. At 0.2mV output it is a perfect mat
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April 5th, 2020 22:00
Well, this was an easy one. So already a story about these. You can read it in addendum 3 on the AD1 preamp article or as a separate impression (both identical).  Read more...