Model 60 Code 121

Thread Rating:

0 Vote(s) - 0 Average
1
2
3
4
5

Linear Mode

Model 60 Code 121

Mondial
Phorum Expert

Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY

03-05-2014, 12:43 PM

What is the DC voltage on the cathodes of the 6A7 and 78? Should be about 3 V to gnd. If this voltage is low then the tubes will overload easily.

Are the other tube voltages normal?

Find

« Next Oldest | Next Newest »

Messages In This Thread

Model 60 Code 121 - by gregb - 03-04-2014, 11:36 PM

RE: Model 60 Code 121 - by Mondial - 03-05-2014, 12:29 AM

RE: Model 60 Code 121 - by gregb - 03-05-2014, 12:41 AM

RE: Model 60 Code 121 - by Mondial - 03-05-2014, 12:55 AM

RE: Model 60 Code 121 - by gregb - 03-05-2014, 01:02 AM

RE: Model 60 Code 121 - by Mondial - 03-05-2014, 12:43 PM

RE: Model 60 Code 121 - by gregb - 03-05-2014, 08:25 PM

RE: Model 60 Code 121 - by gregb - 03-06-2014, 01:06 AM

RE: Model 60 Code 121 - by Mondial - 03-06-2014, 10:35 AM

RE: Model 60 Code 121 - by gregb - 03-06-2014, 10:58 AM

RE: Model 60 Code 121 - by gregb - 03-07-2014, 01:30 PM

RE: Model 60 Code 121 - by Mondial - 03-07-2014, 10:32 PM

RE: Model 60 Code 121 - by gregb - 03-07-2014, 10:38 PM

RE: Model 60 Code 121 - by Mondial - 03-07-2014, 11:22 PM

RE: Model 60 Code 121 - by gregb - 03-07-2014, 11:55 PM

View a Printable Version

Users browsing this thread: 3 Guest(s)

Recent Posts
Philco 42-1008 conversion kit
I read about a kit to convert the variable speed changer in the Philco 42-1008 into a single speed unit. That would rem...alangard — 09:30 PM
HiFi (Chifi) tube amp build - but my own design.
Tim Well...a chassis is metal. Magnetic or not, it does not matter. A transformer has some hum to it. It is natural....morzh — 08:40 PM
Hickok AC51 tube tester
I thought the 83 tube was bad because it looked white but it tests strong. Blue gassy though. I checked the fuse, it was...martinj — 08:37 PM
Shadow Meter Bulb
Ross I am not sure what current limiting effect the incandescent provides. They are two different parts of the sch...morzh — 08:31 PM
12' Philco
Bob Thanks for that photo. I have been looking for it, and I cannot find anythinmg on the web. I forgot it was here...morzh — 08:29 PM
Shadow Meter Bulb
I think after all has been said, I will use the same bulb that is specified for the dial pilot light which is a #55. I ...georgetownjohn — 07:31 PM
12' Philco
There was also this Philco! klondike98 — 07:25 PM
HiFi (Chifi) tube amp build - but my own design.
I expected a challenge and this is just part of it. But, it's also supposed to be fun, entertaining, informative and enj...TV MAN — 07:12 PM
Shadow Meter Bulb
Butting in here with a question. Since the shadow meter is connected directly to the 1st and 2nd I.F.'s wouldn't the met...RossH — 06:43 PM
HiFi (Chifi) tube amp build - but my own design.
Mike, Tim; you are about to enter the twilight zone. Doo doo doo doo, doo doo doo doo This is something alright. I'm go...RodB — 06:26 PM

Who's Online
There are currently no members online.

Login
Username:
Password:	Lost Password?
	Remember me