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 […]
After waiting for a month+ , my R-core transformer finally arrived 🙂 It was well packed to survive a long trip from China. The declared parameters of the R26-09 R-core transformer’s (via eBay) were supposed to be: Primary: 0-115VAC x2; Secondary: 0-220VAC x2 with max total output current of 50mA and and 6.3VAC x2 with the total […]
I started to work on one tube project and the first question was about choosing the transformer for HV and filament power supply for the tubes. The case in which I am going to install this transformer is not very tall (only 6cm height!) and the space for installing it is quite limited (looking from […]
Neither me as I have never listen them (basically any tubes) in my audio setup. But I got a little bit interested in them. So, I decided to give a try 🙂 To buy or not buy Chinese tube buffer If you go to eBay, there are probably thousands of tube buffers available in different […]
