Philco 91 Restore Code ??

Register

Guest Join Us

Hello Guest,

Please feel free to join us!
There are many more parts of the Phorum that only members can see.

Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Rating:

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

Linear Mode

Philco 91 Restore Code ??

dconant
Member

Posts: 211
Threads: 37
Joined: Jun 2022
City: Marion State, Province, Country: NY

#32

02-18-2025, 10:47 AM

Can someone tell me if my 42 tubes are connected triode or pentode in fixed or cathode bias? How could I tell by looking at the schematic.

My somewhat educated guess is push pull cathode biased in pentode mode.

Any idea what the output watts would be?

(This post was last modified: 02-18-2025, 11:02 AM by dconant.)

Find

« Next Oldest | Next Newest »

Messages In This Thread

Philco 91 Restore Code ?? - by dconant - 10-12-2024, 06:45 PM

RE: Philco 91 Schematic - by RodB - 10-13-2024, 09:10 AM

RE: Philco 91 Schematic - by dconant - 10-13-2024, 09:48 AM

RE: Philco 91 Schematic - by dconant - 02-11-2025, 07:12 PM

RE: Philco 91 Schematic - by RodB - 02-11-2025, 09:36 PM

RE: Philco 91 Schematic - by dconant - 02-12-2025, 09:34 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-14-2025, 01:26 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-14-2025, 01:45 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-14-2025, 02:32 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-14-2025, 03:13 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-14-2025, 04:49 PM

RE: Philco 91 Restore Code ?? - by RodB - 02-14-2025, 05:21 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-14-2025, 05:46 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-15-2025, 01:30 PM

462ron - by 462ron - 02-16-2025, 08:49 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 09:21 AM

462ron - by 462ron - 02-16-2025, 09:39 AM

RE: Philco 91 Restore Code ?? - by morzh - 02-16-2025, 12:55 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 01:38 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-16-2025, 01:44 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 02:28 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 02:32 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-16-2025, 02:38 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 03:53 PM

RE: Philco 91 Restore Code ?? - by radiorich - 02-16-2025, 05:04 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-16-2025, 05:45 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-16-2025, 05:52 PM

RE: Philco 91 Restore Code ?? - by RodB - 02-16-2025, 07:52 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-16-2025, 08:09 PM

RE: Philco 91 Restore Code ?? - by MrFixr55 - 02-16-2025, 08:35 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-17-2025, 09:15 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-18-2025, 10:47 AM

RE: Philco 91 Restore Code ?? - by RodB - 02-18-2025, 01:51 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-18-2025, 02:29 PM

RE: Philco 91 Restore Code ?? - by MrFixr55 - 02-18-2025, 03:04 PM

RE: Philco 91 Restore Code ?? - by RodB - 02-18-2025, 05:54 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-18-2025, 06:36 PM

RE: Philco 91 Restore Code ?? - by MrFixr55 - 02-18-2025, 08:09 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 09:21 AM

RE: Philco 91 Restore Code ?? - by morzh - 02-19-2025, 09:59 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 10:17 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 10:55 AM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 12:38 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-19-2025, 01:31 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 01:37 PM

RE: Philco 91 Restore Code ?? - by morzh - 02-19-2025, 03:59 PM

RE: Philco 91 Restore Code ?? - by dconant - 02-19-2025, 04:20 PM

View a Printable Version

Users browsing this thread: 4 Guest(s)

Recent Posts
A Marconi model 86
An imposing-looking radio, for sure.morzh — 12:43 PM
Philco model 60
Model 60 struck again :lol: Welcome to the Phorum! Above is the article on Model 60. Could be of some use. Now...morzh — 12:38 PM
A Marconi model 86
Ooh, very nice!jrblasde — 12:19 PM
A Marconi model 86
I am picking up this radio today. The seller tells me it is all there and working.including the tuning eye. It has 13 tu...Dan Walker — 12:07 PM
Philco model 60
Hi guys! I’m a new member here but have been using your resources for quite some time. Hopefully I can get some help wit...Radios1340 — 11:52 AM
An attempt to remove the Field Coil from a G speaker
Milkjug plastic?morzh — 09:36 PM
An attempt to remove the Field Coil from a G speaker
Yep. 'Cause when I heard "buibble" I immediately thought of this and started wondering how this poly...morzh — 09:33 PM
An attempt to remove the Field Coil from a G speaker
Blister Pack, that's what I was trying to remember!RodB — 09:29 PM
An attempt to remove the Field Coil from a G speaker
In the packaging biz we refer to the package as a clamshell or blister pack if on a cardboard. So we are using the packa...Paul Philco322 — 08:13 PM
Philco 46-480 Electronic Restoration
It’s been too cold to solder in the garage the last couple of evenings, but it has allowed me more time to search for th...jrblasde — 07:23 PM

Who's Online

There are currently 3963 online users. [Complete List]
» 2 Member(s) | 3961 Guest(s)