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Philco 570
#58

I have the modification nearly complete.  Waiting for 35's from Bob.  The radio works with the 24's quite well except for very strong stations.  The AVC voltage gets to about -13 volts and I think it is starting to cut out the 24's.  AVC is working and I do believe the fuzz is gone from the audio.  Final judgement will be made when the 35's arrive.  I think it's going to be a major improvement.  My local electronic supply store had a 500K pot which fit well.  Unfortunately, it is linear taper, but still works acceptably.  I had to grind a flat spot on the shaft for the knob.

I'm a bit torn about making so many changes to the radio, certainly not very original. But, I'm thinking the performance improvements will make the radio more enjoyable to me.

Thanks Ed!!


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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