When you solder regular coax, it sometimes melts the center conductor insulation and can actually short to the shield.
That is another reason I like using Teflon coax.
6V6 plexi build, signal cutting out
Moderators: pompeiisneaks, Colossal
Re: 6V6 plexi build, signal cutting out
Not that this is the problem but the shielded cable from the input to the grid looks a bit suspect.
When you solder regular coax, it sometimes melts the center conductor insulation and can actually short to the shield.
That is another reason I like using Teflon coax.
When you solder regular coax, it sometimes melts the center conductor insulation and can actually short to the shield.
That is another reason I like using Teflon coax.
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Tom
Don't let that smoke out!
Don't let that smoke out!
Re: 6V6 plexi build, signal cutting out
I thought that too but it is good. It is however some recycled coax I had laying around. The other ends are all heat shrinked away from the center conductor. I was checking the bias circuit this morning, I only have about -31V after the rectification diode. Could be a problem too. Transformer was pulled from a '57 console radio that ran 8 tubes. Going to build an audio probe to check the signal path as well.
Owner/luthier of Flintrock Guitar Shop, Flint, MI.
Owner of Hawkins Effects Pedals
Owner of Hawkins Effects Pedals