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Dual tester for 4P1L in triode strapped I build this tester few months ago. All started when I decide to burn in a large stack of 4P1ls. First I built a small burn in tester for a single tube. It … Continue reading
“Shiny Eyes” PSE with my cherished 4P1L DHP in triode mode I was working for quite a while (on and off) on my second amp from the series “Shiny Eyes”. It is a 2 stage single ended amp, using … Continue reading
New Enclosures for my new acquisition Mark Audio Alpair12P full range driver This week I started a new project : building enclosure small reflex for my ne w pair of Alpair 12P full range driver, a design posted by madisound.com. … Continue reading