Model 41-287 volume issue

Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Linear Mode

RodB
Phorum Expert

Posts: 1,797
Threads: 55
Joined: Feb 2015
City: Roseville, MN

#36

12-12-2025, 07:09 PM

I have the RCA stats and the push-pull specs are for zero signal plate current at 250 plate volts to be 55ma, so at 200 volts it must be around 45ma. Screen current is 9ma at 250 volts and has to be 6 or so at 200 volts. If you keep adding options it gets real tricky to design these.

Find

« Next Oldest | Next Newest »

Messages In This Thread

Model 41-287 volume issue - by mikeyg - 12-08-2025, 01:00 PM

RE: Model 41-287 volume issue - by klondike98 - 12-08-2025, 03:11 PM

RE: Model 41-287 volume issue - by Vlad95 - 12-08-2025, 03:27 PM

RE: Model 41-287 volume issue - by RodB - 12-08-2025, 04:36 PM

RE: Model 41-287 volume issue - by KCMike - 12-08-2025, 06:23 PM

RE: Model 41-287 volume issue - by mikeyg - 12-08-2025, 07:51 PM

RE: Model 41-287 volume issue - by Arran - 12-08-2025, 10:49 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 08:07 AM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 01:46 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 02:09 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 03:11 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 05:10 PM

RE: Model 41-287 volume issue - by mikeyg - 12-09-2025, 07:57 PM

RE: Model 41-287 volume issue - by RodB - 12-09-2025, 10:00 PM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 07:03 AM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 09:56 AM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 10:07 AM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 11:10 AM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 01:14 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:07 PM

RE: Model 41-287 volume issue - by mikeyg - 12-10-2025, 08:10 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:29 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:42 PM

RE: Model 41-287 volume issue - by RodB - 12-10-2025, 08:53 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 09:20 AM

RE: Model 41-287 volume issue - by RodB - 12-11-2025, 09:42 AM

RE: Model 41-287 volume issue - by Arran - 12-11-2025, 09:45 AM

RE: Model 41-287 volume issue - by MrFixr55 - 12-11-2025, 12:39 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 01:04 PM

RE: Model 41-287 volume issue - by Vlad95 - 12-11-2025, 01:42 PM

RE: Model 41-287 volume issue - by mikeyg - 12-11-2025, 07:53 PM

RE: Model 41-287 volume issue - by RodB - 12-11-2025, 09:06 PM

RE: Model 41-287 volume issue - by Arran - 12-12-2025, 02:20 AM

RE: Model 41-287 volume issue - by RodB - 12-12-2025, 12:46 PM

RE: Model 41-287 volume issue - by Arran - 12-12-2025, 06:51 PM

RE: Model 41-287 volume issue - by RodB - 12-12-2025, 07:09 PM

RE: Model 41-287 volume issue - by mikeyg - 12-13-2025, 06:22 PM

RE: Model 41-287 volume issue - by RodB - 12-13-2025, 10:03 PM

RE: Model 41-287 volume issue - by mikeyg - 12-13-2025, 10:13 PM

RE: Model 41-287 volume issue - by RodB - 12-13-2025, 11:55 PM

RE: Model 41-287 volume issue - by mikeyg - 12-14-2025, 12:52 AM

RE: Model 41-287 volume issue - by RodB - 12-14-2025, 11:11 AM

RE: Model 41-287 volume issue - by mikeyg - 12-14-2025, 04:52 PM

RE: Model 41-287 volume issue - by RodB - 12-14-2025, 05:20 PM

RE: Model 41-287 volume issue - by mikeyg - 12-15-2025, 09:58 AM

RE: Model 41-287 volume issue - by RodB - 12-15-2025, 11:28 AM

RE: Model 41-287 volume issue - by mikeyg - 12-15-2025, 12:59 PM

RE: Model 41-287 volume issue - by RodB - 12-15-2025, 01:24 PM

View a Printable Version

Users browsing this thread: 1 Guest(s)

Recent Posts
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Try looking at this site the book mark is for a old generator that I was given. David https://radionerds.com/index.ph...David — 08:36 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Hello Everyone, I am looking for voltage identification for all the pin positions on the socket of a CRV-20130 power su...Tonym4704 — 08:16 PM
Philco P45-6365 Universal Transformer Instruction Manual
Can anyone guide me to where this may be found?GRG — 03:00 PM
54C Complete Teardown/Rebuild
I don't think that I have encountered a 12Z3 before, curious how it uses one of those but includes a #43, which is a 25 ...Arran — 02:17 PM
HiFi (Chifi) tube amp build - but my own design.
It's the other forum. I'm also in DIY, but mostly read there. Honestly, I kinda jumped into this without much thought to...TV MAN — 10:43 AM
Philco 71 Code 125
Hello, I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM
54C Complete Teardown/Rebuild
Hello Roy, here is this one sincerely Richardradiorich — 12:45 AM
54C Complete Teardown/Rebuild
Richard, Had grabbed it already but thank you just the same. I find myself wanting to find some way to block out the...glyphmon — 12:03 AM
54C Complete Teardown/Rebuild
Hello roy, here is a link to the schematic . Sincerely Richardradiorich — 11:54 PM

Who's Online
There are currently no members online.

Login
Username:
Password:	Lost Password?
	Remember me