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Philco 570
Phlogiston
Radio-Fixer-Upper
*****
Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)
#18

04-27-2019, 05:59 PM
How are your voltages?

Yes, yours got hot. Most common issue is bad filters, but what I have also seen is low or missing bias on an output tube. Amazing that they can conduct enough current to cause the PT to overheat, but tubes like a 42 (6F6) can.
"I just might turn into smoke, but I feel fine"
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Messages In This Thread
Philco 570 - by rfeenstra - 04-19-2019, 09:47 PM
RE: Philco 570 - by Greggshere - 04-19-2019, 10:59 PM
RE: Philco 570 - by mikethedruid - 04-19-2019, 11:37 PM
RE: Philco 570 - by Jake Blake - 04-19-2019, 11:47 PM
RE: Philco 570 - by rfeenstra - 04-19-2019, 11:58 PM
RE: Philco 570 - by Nathan Slingerland - 04-20-2019, 12:44 AM
RE: Philco 570 - by rfeenstra - 04-20-2019, 09:32 AM
RE: Philco 570 - by rfeenstra - 04-20-2019, 10:09 AM
RE: Philco 570 - by rfeenstra - 04-20-2019, 11:40 PM
RE: Philco 570 - by KCMike - 04-21-2019, 07:21 AM
RE: Philco 570 - by rfeenstra - 04-21-2019, 09:39 PM
RE: Philco 570 - by rfeenstra - 04-22-2019, 12:26 PM
RE: Philco 570 - by Jake Blake - 04-22-2019, 01:36 PM
RE: Philco 570 - by rfeenstra - 04-22-2019, 05:22 PM
RE: Philco 570 - by Jake Blake - 04-22-2019, 11:03 PM
RE: Philco 570 - by rfeenstra - 04-27-2019, 04:51 PM
RE: Philco 570 - by rfeenstra - 04-27-2019, 05:02 PM
RE: Philco 570 - by Phlogiston - 04-27-2019, 05:59 PM
RE: Philco 570 - by rfeenstra - 04-28-2019, 12:12 AM
RE: Philco 570 - by Greggshere - 04-28-2019, 11:32 AM
RE: Philco 570 - by Jake Blake - 04-28-2019, 11:44 AM
RE: Philco 570 - by rfeenstra - 04-28-2019, 01:28 PM
RE: Philco 570 - by Steve Davis - 04-28-2019, 06:06 PM
RE: Philco 570 - by Jake Blake - 04-28-2019, 08:25 PM
RE: Philco 570 - by rfeenstra - 04-29-2019, 01:37 AM
RE: Philco 570 - by rfeenstra - 04-29-2019, 10:51 AM
RE: Philco 570 - by Radioroslyn - 04-29-2019, 11:00 AM
RE: Philco 570 - by Steve Davis - 04-29-2019, 01:22 PM
RE: Philco 570 - by Phlogiston - 04-29-2019, 01:56 PM
RE: Philco 570 - by Jake Blake - 04-29-2019, 03:11 PM
RE: Philco 570 - by rfeenstra - 04-30-2019, 03:34 PM
RE: Philco 570 - by Jake Blake - 04-30-2019, 03:41 PM
RE: Philco 570 - by morzh - 04-30-2019, 03:48 PM
RE: Philco 570 - by rfeenstra - 05-02-2019, 08:44 PM
RE: Philco 570 - by Greggshere - 05-05-2019, 01:01 AM
RE: Philco 570 - by rfeenstra - 05-05-2019, 11:05 PM
RE: Philco 570 - by Greggshere - 05-09-2019, 10:25 AM
RE: Philco 570 - by Ron Ramirez - 05-09-2019, 09:03 PM
RE: Philco 570 - by rfeenstra - 05-09-2019, 09:13 PM
RE: Philco 570 - by Ron Ramirez - 05-10-2019, 09:37 AM
RE: Philco 570 - by Ed Locker - 05-10-2019, 10:01 AM
RE: Philco 570 - by Ron Ramirez - 05-10-2019, 12:40 PM
RE: Philco 570 - by Ed Locker - 05-10-2019, 07:10 PM
RE: Philco 570 - by rfeenstra - 05-10-2019, 10:13 PM
RE: Philco 570 - by Ed Locker - 05-11-2019, 08:58 AM
RE: Philco 570 - by 462ron - 05-11-2019, 09:01 AM
RE: Philco 570 - by Ed Locker - 05-11-2019, 09:10 AM
RE: Philco 570 - by Ron Ramirez - 05-11-2019, 09:30 AM
RE: Philco 570 - by Ed Locker - 05-11-2019, 09:35 AM
RE: Philco 570 - by 462ron - 05-11-2019, 05:30 PM
RE: Philco 570 - by Phlogiston - 05-11-2019, 05:50 PM
RE: Philco 570 - by Jake Blake - 05-11-2019, 05:58 PM
RE: Philco 570 - by rfeenstra - 05-11-2019, 06:59 PM
RE: Philco 570 - by rfeenstra - 05-11-2019, 07:24 PM
RE: Philco 570 - by Ron Ramirez - 05-11-2019, 09:39 PM
RE: Philco 570 - by rfeenstra - 05-11-2019, 10:32 PM
RE: Philco 570 - by Ed Locker - 05-12-2019, 07:46 PM
RE: Philco 570 - by rfeenstra - 05-13-2019, 08:53 PM
RE: Philco 570 - by Ed Locker - 05-14-2019, 09:25 AM
RE: Philco 570 - by morzh - 05-14-2019, 09:27 AM
RE: Philco 570 - by Ed Locker - 05-14-2019, 09:37 AM
RE: Philco 570 - by Radioroslyn - 05-14-2019, 09:47 AM
RE: Philco 570 - by Ron Ramirez - 05-14-2019, 09:59 AM
RE: Philco 570 - by Ron Ramirez - 05-14-2019, 10:07 AM
RE: Philco 570 - by rfeenstra - 05-14-2019, 03:27 PM
RE: Philco 570 - by rfeenstra - 05-14-2019, 03:56 PM
RE: Philco 570 - by morzh - 05-14-2019, 04:12 PM
RE: Philco 570 - by rfeenstra - 05-14-2019, 08:49 PM
RE: Philco 570 - by morzh - 05-14-2019, 09:37 PM
RE: Philco 570 - by Jake Blake - 05-14-2019, 09:47 PM
RE: Philco 570 - by morzh - 05-15-2019, 08:05 AM
RE: Philco 570 - by Ron Ramirez - 05-15-2019, 08:09 AM
RE: Philco 570 - by rfeenstra - 05-15-2019, 08:22 AM
RE: Philco 570 - by morzh - 05-15-2019, 08:56 AM
RE: Philco 570 - by Ed Locker - 05-15-2019, 09:15 AM
RE: Philco 570 - by morzh - 05-15-2019, 09:52 AM
RE: Philco 570 - by Ed Locker - 05-15-2019, 10:11 AM
RE: Philco 570 - by Ron Ramirez - 05-15-2019, 10:41 AM
RE: Philco 570 - by morzh - 05-15-2019, 10:55 AM
RE: Philco 570 - by rfeenstra - 05-15-2019, 12:56 PM
RE: Philco 570 - by Jake Blake - 05-15-2019, 02:21 PM
RE: Philco 570 - by rfeenstra - 05-15-2019, 02:25 PM
RE: Philco 570 - by Jake Blake - 05-15-2019, 02:28 PM
RE: Philco 570 - by Jake Blake - 05-15-2019, 02:30 PM
RE: Philco 570 - by mikethedruid - 05-15-2019, 06:09 PM
RE: Philco 570 - by Jake Blake - 05-15-2019, 06:25 PM
RE: Philco 570 - by rfeenstra - 05-21-2019, 11:37 PM
RE: Philco 570 - by rfeenstra - 06-11-2019, 10:41 PM
RE: Philco 570 - by Ron Ramirez - 06-12-2019, 08:51 PM
RE: Philco 570 - by rfeenstra - 06-12-2019, 10:14 PM
RE: Ron. cancer post - by Jake Blake - 05-15-2019, 01:10 PM
RE: Ron. cancer post - by Ron Ramirez - 05-15-2019, 01:21 PM
RE: Ron. cancer post - by Jake Blake - 05-15-2019, 01:24 PM
RE: Ron. cancer post - by morzh - 05-15-2019, 01:29 PM
RE: Ron. cancer post - by Ed Locker - 05-15-2019, 02:13 PM
RE: Ron. cancer post - by Jake Blake - 05-15-2019, 02:17 PM
RE: Ron. cancer post - by morzh - 05-15-2019, 02:18 PM
RE: Ron. cancer post - by morzh - 05-15-2019, 02:19 PM
RE: Ron. cancer post - by Ron Ramirez - 05-15-2019, 02:24 PM



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