Philco 77 volume control

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

Thread Closed

Linear Mode

Philco 77 volume control

Ron Ramirez
Silent Key

Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana

05-01-2012, 05:02 PM

http://www.philcoradio.com/tech/images/65.jpg

The volume control is part (25) on the Model 65 schematic; a 1,750 ohm rheostat. It controls the screen grid voltages of the two 24 RF amplifier tubes.

--
Ron Ramirez
Ferdinand IN

Find

« Next Oldest | Next Newest »

Thread Closed

Messages In This Thread

Philco 77 volume control - by kenlew0405 - 04-21-2012, 10:55 PM

RE: Philco 77 volume control - by murf - 04-21-2012, 11:14 PM

RE: Philco 77 volume control - by kenlew0405 - 04-22-2012, 12:04 AM

RE: Philco 77 volume control - by 7estatdef - 04-23-2012, 10:25 PM

RE: Philco 77 volume control - by 7estatdef - 04-29-2012, 07:50 PM

RE: Philco 77 volume control - by kenlew0405 - 05-01-2012, 02:32 PM

RE: Philco 77 volume control - by morzh - 05-01-2012, 04:05 PM

RE: Philco 77 volume control - by Ron Ramirez - 05-01-2012, 05:02 PM

RE: Philco 77 volume control - by morzh - 05-01-2012, 05:41 PM

RE: Philco 77 volume control - by kenlew0405 - 05-01-2012, 05:59 PM

RE: Philco 77 volume control - by morzh - 05-01-2012, 06:07 PM

RE: Philco 77 volume control - by kenlew0405 - 05-02-2012, 08:16 AM

RE: Philco 77 volume control - by morzh - 05-01-2012, 06:33 PM

RE: Philco 77 volume control - by kenlew0405 - 05-02-2012, 08:15 AM

RE: Philco 77 volume control - by 7estatdef - 05-01-2012, 08:19 PM

RE: Philco 77 volume control - by Ron Ramirez - 05-02-2012, 08:25 AM

RE: Philco 77 volume control - by morzh - 05-02-2012, 08:57 AM

RE: Philco 77 volume control - by Ron Ramirez - 05-02-2012, 09:04 AM

RE: Philco 77 volume control - by kenlew0405 - 05-02-2012, 04:05 PM

RE: Philco 77 volume control - by morzh - 05-02-2012, 04:45 PM

RE: Philco 77 volume control - by kenlew0405 - 05-16-2012, 03:51 PM

View a Printable Version

Users browsing this thread: 1 Guest(s)

Recent Posts
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
54C Complete Teardown/Rebuild
Richard, The Silvertone 2014 also is a transformerless set, so I am incorporating a 1:1 600 ohm audio isolation transfo...glyphmon — 11:37 PM
Preliminary work on wife's Silvertone 2014
Did an alignment today which was interesting. IF alignment went great, almost all was already spot-on. Adjusting on th...glyphmon — 11:35 PM
54C Complete Teardown/Rebuild
The main problem with adding a Bluetooth input is that this set lacks a traditional power transformer to isolate it from...radiorich — 11:19 PM
54C Cabinet Refinish
I started stripping this cabinet before it got super chilly out because I knew I wasn't going to be able to work on ...glyphmon — 11:18 PM
54C Complete Teardown/Rebuild
While I'm waiting to wrap up the final steps on my wife's Silvertone 2014, I started disassembly on the next project. O...glyphmon — 11:07 PM
Preliminary work on wife's Silvertone 2014
Hello roy, that great news glad it worked out for you !! Sincerely Richardradiorich — 10:50 PM
Preliminary work on wife's Silvertone 2014
Safety caps arrived today. Soldered one in and had a successful first power-up. No magic smoke escaped and it tunes in...glyphmon — 09:53 PM

Who's Online
There are currently no members online.

Login
Username:
Password:	Lost Password?
	Remember me