Home Vintage Asylum

Classic gear from yesteryear; vintage audio standing the test of time.

[ Follow Ups ] [ Post Followup ] Thread: [ Display  All  Email ] [ Vintage Asylum ]
[ Alert Moderator ]

other circuit mods...

I'd probably focus on other circuit modifications. The output stage has *PLENTY* of NFB. Get rid of the PFB applied to the 12BH7 stage, without getting rid of the headroom delivered by the current PFB/Bootstrapping topology first...then get rid of the NFB loop. Gain should be about the same, but with stability markedly increased...LOL

Then move onto the finer details. CCS in the PI cathode circuit, axe the input 12AX7 in favour of a 12AY7, 6CG7 for the PI tube itself...and so forth. And of course the PS mods you have developed...:)
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.

This post is made possible by the generous support of people like you and our sponsors:
  Parts Connexion  

Follow Ups Full Thread
Follow Ups
FAQ

Post a Message!

 Forgot Password?
Moniker (Username):
Password (Optional):
  Remember my Moniker & Password  (What's this?)    Eat Me
E-Mail (Optional):
Subject:
Message:   (Posts are subject to Content Rules)
Optional Link URL:
Optional Link Title:
Optional Image URL:
Upload Image:
E-mail Replies:  Automagically notify you when someone responds.

[ Top Top of Page ] [ Contact Us ] [ Support/Wish List ] [ Copyright © 2024, Audio Asylum, all rights reserved ]
[ General ] [ Speakers ] [ Tubes ] [ Vinyl ] [ Digital ] [ Hi-Rez ] [ Video Asylum ] [ Cables ] [ Tweaks/DIY ] [ Music ] [ Films ]