This gallery contains 56 photos.
Radu’s implementation of the “Siberian” 4P1L Gen3. designed by Ale Moglia Thank you Ale for such a good design! 4P1L once again…another build using the amazingly linear and musical DHP 4P1L. This time I used Ale’s design that can be … Continue reading
Last year I made few attempts to build a tube headphone amp using DHT’s. For certain reason, I didn’t get the sound that I wished for…and also the size made me abandon the project. Browsing DIY Audio site, I was … Continue reading
This gallery contains 23 photos.
I built this pair of speakers thinking of using them with a future mini F4 with tube preamp for my work desk. They are rated 20W and using these cabinets the sensitivity is 88 dB/W/m or 91dB for both. Using them … Continue reading
This gallery contains 18 photos.
Description The F4 hybrid amp is based on Nelson Pass’s First Watt F4 unity gain buffer amp and a … Continue reading
This gallery contains 16 photos.
This preamp is based on Ale Moglia’s design that can be found at http://www.bartola.co.uk/valves/dht-pre-amplifier/26-dht-pre-amplifier-gen3/. Thank you Ale. My approach: PSU and amp in a compact design (same enclosure). This comes with a noise level compromise. low and high gain options. Using … Continue reading
This gallery contains 33 photos.
I am happy to present my new, improved parallel single-ended, low power amplifier, featuring again the amazing direct heated pentode 4P1L. Overall, compared with the first built, I can say the sound is similar, just more refined and definitely is … Continue reading
This gallery contains 5 photos.
Low Voltage Regulator I am reorganizing and rebuilding my bench top equipment. I wanted more flexibility and smaller enclosures in order to puzzle them for the momentarily needs. I recently dismantled my first tube tester project. The main reason I … Continue reading
I had a NOS Staco variable transformer for while. Finally I was able to put things together in a semi open wood cabinet. I recently built a pair of chokes for my future headphone amp. They are designed to be … Continue reading
Audiophile “Shiny Eyes” PSE al DHT Tube Amplifier All 4P1L DHP triode connected, Lundahl transformers IT/OT I am happy to present my second tube amplifier in the “Shiny Eyes” series. It preserves the look of the series, with cherry … Continue reading
“Shiny Eyes” PSE all 4P1L prototype amplifier final testing I am happy to announce that my second amp in the series “Shiny Eyes” is ready and sounds amazing. It is an all DHP triode strapped amplifier, using 4P1L tubes for … Continue reading
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