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Got the other channel up and running ....




Just had to go back through the schematic and plus up the breadboard in a few places. Turns out my breadboard psu is just fine for running both channels. Ended up with a B+ of 360 vdc and a B+2 of 275 vdc. Lots of gain, nice clean sound, even on my small jbl test speakers. Time to hook it up to my Altec Granadas and see if I can tweak it a bit. Also want to try one channel with the output tube in triode mode instead of pentode as it is now. Here is a pic of one channel and the psu, I am also using my test bench filaments supply for the 6bq5 filaments. Don't let all the wires fool you. If you look at the schem I posted below you will see that each channel is just a handful of parts. It's a great candidate for a poster child for the KISS principle.



Edits: 06/04/17 06/04/17

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  • Got the other channel up and running .... - vinnie2 10:07:27 06/04/17 (0)

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