18-02-2021, 05:48 PM
I was wondering how they managed to get a triode-hexode on a 7 pin base. The answer is that the cathode shares one of the heater pins.
http://www.r-type.org/exhib/abc0040.htm
The other question is why they bothered, though it is quite an early miniature valve, from 1949.
http://www.r-type.org/exhib/abc0040.htm
The other question is why they bothered, though it is quite an early miniature valve, from 1949.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv







