Compactron
The Shuguang Beijing 6N1 Vacuum Tube has high gain dual
triodes for voltage amplification. These tubes have been
made since the 1950's.
These tubes have quality classifications usually labeled
with a capital letter.
M is good.
J is better.
T is the best.
Q is for the research.
通用 & 通用 is for radio.
All vacuum tubes pass the quality test of the
Shuguang factory. These tubes are made in China.
Electrical Data:
Heater Voltage ................................ 6.3 V
Prefered Substitutes ................. 6N1, 6N1J,
6N1M, 6N1Q, 6N1T.