New Tubes in Collection

New stuff was found in trash, so salvaged power amplifier from old tape recorder. It is made with with dual EL84 (6BQ5, 6П14П) tubes.

tube amp
One funny thing about this PCB. The tubes and most of components are made same year and same month as I was born. So they are as old as I am. 🙂

Also, I break apart few old TVs…

tube amp
… and removed nice set of power pentodes: 6П36С, 6П44С, 6П45С. They are quite powerful, and it is possible to build some audio tube amps from them. Or radio transmitter!

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