|
Tubes Asylum Questions about tubes and gear that glows. FAQ |
|
|
|
Tubes Asylum Questions about tubes and gear that glows. FAQ |
|
In Reply to: Replacement Output Transformer for Lumley Amp posted by Mosher on February 20, 2007 at 15:29:12:
Look up your output tube type # in a data sheet to discover the load impedance they should operate into. Or ask Lumley what the OPT primary impedance was. Realize push-pull circuts utilize pairs of tubes, so with such circuts the OPT primary impedance is double the load impedance specification for a single tube. With a different OPT, any global NFB circut may need to be adjusted for part value. Pairs of OPT in a stereo amplifier is better than mis-matched pairings (IOW you may need 2 replacements).
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Re: Replacement Output Transformer for Lumley Amp - Ron Oehlert 17:40:13 02/20/07 (0)
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2024, Audio Asylum, all rights reserved ]
