kmtang
Responses from kmtang
| 300b lovers I have tried two types of LinLai 300B tubes for some time with shunt regulator at the cathode, i.e., fixed voltage at cathode. I biased it 70mA with 420V B+. The anode-cathode voltage is approx 350V. Once the 300B tube got warmed up for about 30... | |
| 300b lovers Hi, I used the "shunt regulator" to replace the RC cathode self bias circuit in my 45, 2A3, 300B, and 845 SE power amps. The sonic improvement is exceptional. My friends tried it and they all agreed it is real worth to try. I haven't try using f... |