This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
RCA- I 9
CLASS B TWIN AMPLIFIER
GT2
PTJ
5)pt,
The 19 combines in one bulb two high-mu triodes designed for Class B operation. It is intended for use in the output stage of battery-operated rec
