1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Test Equipment
Thread Rating:
  • 1 Vote(s) - 1 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Starting on the HP200CD oscilaltor
Mondial
Phorum Expert
*****
Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY
#25

03-09-2014, 05:57 PM
Yes, one of the output tubes might be gassy, which causes it to conduct more as it warms up. The fact that the distortion switches polarity when you reverse the output tubes seems to confirm this.

You could also try switching the 6SH7 tubes just to eliminate them as a cause.
Find
« Next Oldest | Next Newest »


Messages In This Thread
Starting on the HP200CD oscilaltor - by morzh - 02-23-2014, 10:23 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-23-2014, 11:28 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 12:10 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 10:20 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 10:27 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 12:15 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 11:59 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 12:04 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-01-2014, 11:14 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-08-2014, 10:20 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-08-2014, 10:24 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 11:59 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 03:49 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 04:33 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 05:36 PM
RE: Starting on the HP200CD oscilaltor - by Mondial - 03-09-2014, 05:57 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 08:04 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-14-2014, 07:59 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-14-2014, 11:07 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-15-2014, 08:46 PM



Users browsing this thread: 4 Guest(s)
[-]
Recent Posts
12' Philco
Not anymore Mike. Andre The Giant Born: May 19, 1946, Coulommiers, France Died: Jan 28, 1993 (46 years), Paris, Fran...RodB — 11:53 PM
IF can wire size and Rubber mounts?
Renovated Radios do carry what you need. As for the voltage, a wire should be at least 300V-rated.morzh — 11:13 PM
12' Philco
Andre the Giant got 2" on Kareem :lol:morzh — 11:11 PM
IF can wire size and Rubber mounts?
Thanks for the info but I doubt that a hardware store would be carrying the proper tuner assembly support mountings for ...georgetownjohn — 10:38 PM
12' Philco
Perhaps Kareem Abdul Jabbar?GarySP — 10:33 PM
My last cabinet for this year
Outstanding work, Dan! Take care and BE HEALTHY! GaryGarySP — 10:31 PM
My last cabinet for this year
They are a nice looking radio, Stromberg. I have a small tabletop octagon-dial one. It sounds surprisingly nice. And t...morzh — 09:40 PM
Philco 41-608 changer coupler
Different years but the same idea.morzh — 09:38 PM
My last cabinet for this year
That’s a beauty! :thumbup:klondike98 — 09:24 PM
Philco 41-608 changer coupler
Hi Morzh, I've searched using Mondial as the user name with various keywords such as 'coupler', 'motor', 'idler', 'p...alangard — 08:31 PM

[-]
Who's Online
There are currently 4154 online users. [Complete List]
» 2 Member(s) | 4152 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Test Equipment