A Audio and hi-fi forum. AudioBanter.com

Go Back   Home » AudioBanter.com forum » rec.audio » Vacuum Tubes
Site Map Home Register Authors List Search Today's Posts Mark Forums Read Web Partners

Fisher 30-A amp

Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old March 1st 20, 08:56 AM posted to rec.audio.tubes
external usenet poster
Posts: 5
Default Fisher 30-A amp

Hi folks,

What is the reason the Fisher 30-A uses (very) different valued grid
resistors for the power tubes?
- R9 = 2K2 for V2
- R4 = 33K for V3

A later (or earlier?) 30-A version has no grid resistors, also no balance
circuit for the phase inverter.


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
FISHER X-100-3 Tube Amp + FISHER FM-100-C, FM- MPX TUNER [email protected] Marketplace 0 June 9th 06 03:45 AM
Very Fine Fisher FM90B as well as Fisher KX200 amplifier for auction Sunday evening. Harry Lavo Marketplace 0 October 8th 04 10:25 PM
FA: Luxman R 1050 Receiver, Fisher 175t receiver, The Fisher 400CX tube preamp JosephAud Marketplace 0 September 24th 04 03:30 PM
Urgently Need the Fisher Corporation Resto-Pak "manual" for 3 IF Stage Fisher 400 Pete Snyder Vacuum Tubes 0 November 20th 03 04:49 AM
Vintage amp suggestions for fisher 400c- Fisher or not? kbuzz Vacuum Tubes 2 August 15th 03 07:43 PM

All times are GMT +1. The time now is 03:47 AM.

Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Copyright 2004-2020 AudioBanter.com.
The comments are property of their posters.