About technologies for your digital home

For beginners and tinkerers

Considerations for TDA1543 DAC power supply

March 14th, 2019
TDA1543 DAC power supply

My Arcam Black Box (via eBay) v.1 has recently died. After the inspection, it appeared that TDA1541 got faulty. The way how did it end fully matches the description of other guys on diyaudio.com forum. It’s quite weird. I was playing around and tried new cathode bypass capacitors in my SRRP stage, which was directly […]

Re-doing 6N11(ECC88) SRPP from eBay

July 18th, 2018
Tweak 6N11 ECC88-SRPP from eBay board top view

  Another project from eBay. It is an assembled 6N11(ECC88) SRPP board. Who are not familiar – a Chinese vacuum tube 6N11(via eBay) is an equivalent of Russian 6N1 (via Ebay). I read somewhere that Russians transferred their tubes technology in 1940s during the hot communism era and friendship time with other  pro-communism countries. Whatever […]

Loudspeaker repair

October 18th, 2016
upgrade loudspeakers repair mordaunt short ms35ti crossover

At the moment, I have two audio systems at home. About one of them, I have written in my previous post on building a vintage stereo system. The loudspeakers, which are used in that system, are two-way Mordaunt Short MS35Ti speakers. They sound really nice and produce very accurate sound. I was quite lucky when I bought them […]