RE: O.T. impedance question.

Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

In Reply to: O.T. impedance question. posted by RonRon on September 17, 2021 at 12:31:12:

No, secondary has no effect on idle bias, even primary resistance has almost no effect. If B+ is around 250, 5K primary would be ideal; if 290 or more, 8K would be best. 3.2 Ohms was a common speaker impedance; 8 Ohms is more common these days.

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

VH Audio

Follow Ups Full Thread

Topic - O.T. impedance question. - RonRon 12:31:12 09/17/21 (2)

RE: O.T. impedance question. - Tom Bavis 09/18/2109:02:52 09/18/21 (1)

RE: O.T. impedance question. - RonRon 14:33:34 09/18/21 (0)

Follow Ups

RE: O.T. impedance question. - Tom Bavis 09/18/2109:02:52 09/18/21 (1)

RE: O.T. impedance question. - RonRon 14:33:34 09/18/21 (0)

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.

To view your new posting or follow-up, click on the RELOAD or REFRESH button on your browser.