The Amp Garage

Meh, can't wait forever.. I did both, 1st across the Secondary and together with Caps in parallel with the Diodes. I'm running a Two-Phase Rectifier with 2-pairs on IN4007's in Series. I recorded the noise without, with and with all and looped the recording, and with my dog ears :lol: I noticed the ...

Old topic I'm sure, but I can't really find a definite answer for a Tube Amp..

I have a 2 phase Rectifier. The Schematic has a 10n Cap across the Secondary for noise. Okay, cool, but I have a pack 20!

Is there any audible benefit to also running them in parallel with the Diodes??

Great find!
Hoover dam levels of power reserve..

Waiting for some lower voltage Caps to replace the Chunky ones, but it still works..

Here's a Combo with the OT on the right where V1 is.

Thank you.
Everything I could find pretty much reflects what you said except for the rolling off of the high end.
Electronic Forums talk about using a FBD on Motors or Solenoids..

Instead of 3-1KV Diodes like in a TW, there's 1-3KV, cool. But then there's the addition of a 47pfd Cap across it.
What does the cap do in this arrangement?

I found a great post on the subject from Wilder Amplification back in 2009. https://www.marshallforum.com/threads/various-power-tubes-impedance-info-charts.17125/post-184531 "To find the "rough minimum" plate-plate impedance I square the B+ voltage, then divide that by the plate dissipation rating o...

Probably another Topic cover many times, but lets keep it alive! :D My next project is building a Deliverance (60) clone with a JCA50 Chassis and Transformers.. I've really flip flopped on the Power Tubes I'll use given the original iron was meant for 6L6's.. A big part of that sound is the authorit...

Dunno.. I don't have it all together yet. But I'm flip flopping on Power Tubes.
I'll start another Topic..

Would I use the same Screen and Input Grid Resistors from the 6L6 when switching to KT66?

The amp I have uses 470R for the Screens and 2.2K at G1..

I switched the Preamp Tubes to Baldwin labeled Sylvania's with the Fane Speaker.. More rich, less pointy..
I think I like these better..

https://soundcloud.com/midnightlaundry- ... e-sylvania

^^^ LOL

68k grid stopper will introduce hiss. Merlin suggests to use 10k and add a cap to obtain the desired high frequency response / RF rejection. http://www.valvewizard.co.uk/gridstopper.html I actually removed that very arrangement to add the 68K. For me the extended highs are to much glaze on the soun...

Colossal wrote: ↑Sun Nov 26, 2023 8:43 pm F70 for the win. Nice playing!

Cool. Glad you like it..