1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Philco 38-7CS
Bob Andersen
Phorum Expert
*****
Posts: 797
Threads: 42
Joined: Dec 2008
City: Chicago, IL
#29

08-03-2014, 02:06 PM
Following up on a tip I just completed a grid leakage test on the 6K7s. The tube that works well holds steady at -0.8 volts. The other starts at -1.1 and slowly climbs up to -0.3 after 10 minutes and continues to climb. So I think I can finally say mystery solved Icon_smile
Website Find
« Next Oldest | Next Newest »


Messages In This Thread
Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:32 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:41 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:48 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:57 PM
RE: Philco 38-7CS - by Arran - 07-24-2014, 09:34 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 09:50 PM
RE: Philco 38-7CS - by codefox1 - 07-25-2014, 01:34 PM
RE: Philco 38-7CS - by Chuck Schwark - 07-25-2014, 01:46 PM
RE: Philco 38-7CS - by morzh - 07-25-2014, 01:47 PM
RE: Philco 38-7CS - by Bob Andersen - 07-25-2014, 04:24 PM
RE: Philco 38-7CS - by morzh - 07-25-2014, 05:02 PM
RE: Philco 38-7CS - by Arran - 07-26-2014, 12:06 AM
RE: Philco 38-7CS - by Bob Andersen - 07-27-2014, 03:35 PM
RE: Philco 38-7CS - by gregb - 07-27-2014, 11:13 PM
RE: Philco 38-7CS - by Bob Andersen - 07-27-2014, 11:28 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 04:16 PM
RE: Philco 38-7CS - by Mondial - 07-28-2014, 04:26 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 05:18 PM
RE: Philco 38-7CS - by Mondial - 07-28-2014, 05:36 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 06:51 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 10:29 PM
RE: Philco 38-7CS - by Chuck Schwark - 07-29-2014, 10:35 AM
RE: Philco 38-7CS - by morzh - 07-29-2014, 10:37 AM
RE: Philco 38-7CS - by Chuck Schwark - 07-29-2014, 10:42 AM
RE: Philco 38-7CS - by morzh - 07-29-2014, 11:02 AM
RE: Philco 38-7CS - by Warren - 07-29-2014, 01:59 PM
RE: Philco 38-7CS - by gregb - 07-29-2014, 03:16 PM
RE: Philco 38-7CS - by Bob Andersen - 07-29-2014, 03:31 PM
RE: Philco 38-7CS - by Bob Andersen - 08-03-2014, 02:06 PM
RE: Philco 38-7CS - by codefox1 - 08-03-2014, 04:29 PM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
HiFi (Chifi) tube amp build - but my own design.
Tim, nice write up and thanks for sharing !! Sincerely Richardradiorich — 02:47 AM
HiFi (Chifi) tube amp build - but my own design.
Well, this was a real "Hum-Dinger" :lol: ! This will be kinda long, but hopefully it will help others having t...TV MAN — 01:55 AM
Shadow Meter Bulb
Phorum members, I am trying to find the bulb # for PHILCO Shadow Meter part number 45-2180 that is from a 37-640 chassis...georgetownjohn — 06:53 PM
Philco 41-608 changer coupler
3D-printing...short of machining, of course. Or molding.morzh — 05:20 PM
Philco 41-608 changer coupler
Thanks, Morzh. That solves the issue of the rubber pieces. Now, I need to find a way to replicate the pot metal piec...alangard — 05:07 PM
12' Philco
If it is 12', either Kareem or Andre would have to jump pretty high to look at the front panel. Kareem would have an e...morzh — 01:48 PM
12' Philco
And here's a story about the tires on the truck. Same "no-stoop" guy must have installed these! Take care a...GarySP — 01:17 PM
Hickok AC51 tube tester
I think they have only shown the secondaries of the transformer. Two of them feed the rectifiers' filaments.morzh — 12:58 PM
IF can wire size and Rubber mounts?
Arran If the wire inside cans is the gauges you mentioned, the sole reason for that would be mechanical, to stiffen t...morzh — 12:56 PM
12' Philco
Rod, Yes, I know, but the Giant Philco is not around anymore either, so I go by whoever was alive fairly recently. H...morzh — 12:54 PM

[-]
Who's Online
There are currently no members online.

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration