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Model 89 Cathedral
Mondial
Phorum Expert
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Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY
#114

03-12-2014, 08:15 AM
The voltage spike on warmup is typical of any radio with a filament type rectifier and remaining tubes of the heater cathode type.

I normally use 500V rated electrolytics, especially for the first cap after the rectifier. You are probably ok with the 450V rated ones as they usually have a higher short term "surge" rating, but if you can find higher rated ones its preferable.

I have tested 450V rated caps on a tester at up to 550V or so on a cap leakage tester and they seem ok, but you definitely don't want to expose them to overvoltage for long periods.
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Messages In This Thread
Model 89 Cathedral - by skyscraper - 01-07-2014, 04:03 PM
RE: Model 89 Cathedral - by Mondial - 01-07-2014, 11:37 PM
RE: Model 89 Cathedral - by skyscraper - 01-07-2014, 11:57 PM
RE: Model 89 Cathedral - by Mondial - 01-08-2014, 12:24 AM
RE: Model 89 Cathedral - by klondike98 - 01-08-2014, 09:35 AM
RE: Model 89 Cathedral - by skyscraper - 01-08-2014, 11:50 AM
RE: Model 89 Cathedral - by tab10672 - 01-08-2014, 02:58 PM
RE: Model 89 Cathedral - by skyscraper - 01-09-2014, 04:00 PM
RE: Model 89 Cathedral - by skyscraper - 01-13-2014, 01:17 PM
RE: Model 89 Cathedral - by Ron Ramirez - 01-13-2014, 05:36 PM
RE: Model 89 Cathedral - by skyscraper - 01-13-2014, 06:11 PM
RE: Model 89 Cathedral - by morzh - 01-13-2014, 06:45 PM
RE: Model 89 Cathedral - by skyscraper - 01-13-2014, 07:58 PM
RE: Model 89 Cathedral - by OldRestorer - 01-18-2014, 07:46 AM
RE: Model 89 Cathedral - by skyscraper - 01-19-2014, 12:34 AM
RE: Model 89 Cathedral - by OldRestorer - 01-19-2014, 07:19 PM
RE: Model 89 Cathedral - by skyscraper - 02-01-2014, 03:44 PM
RE: Model 89 Cathedral - by morzh - 02-01-2014, 08:21 PM
RE: Model 89 Cathedral - by klondike98 - 02-01-2014, 08:37 PM
RE: Model 89 Cathedral - by skyscraper - 02-01-2014, 10:35 PM
RE: Model 89 Cathedral - by Mondial - 02-01-2014, 11:34 PM
RE: Model 89 Cathedral - by skyscraper - 02-01-2014, 11:50 PM
RE: Model 89 Cathedral - by skyscraper - 02-04-2014, 04:44 PM
RE: Model 89 Cathedral - by morzh - 02-04-2014, 05:01 PM
RE: Model 89 Cathedral - by skyscraper - 02-04-2014, 08:28 PM
RE: Model 89 Cathedral - by Ron Ramirez - 02-05-2014, 01:20 PM
RE: Model 89 Cathedral - by skyscraper - 02-05-2014, 01:40 PM
RE: Model 89 Cathedral - by Ron Ramirez - 02-05-2014, 01:42 PM
RE: Model 89 Cathedral - by skyscraper - 02-05-2014, 01:56 PM
RE: Model 89 Cathedral - by skyscraper - 02-06-2014, 10:50 PM
RE: Model 89 Cathedral - by klondike98 - 02-06-2014, 11:44 PM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 01:02 AM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 12:25 PM
RE: Model 89 Cathedral - by Mondial - 02-07-2014, 12:42 PM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 01:02 PM
RE: Model 89 Cathedral - by Mondial - 02-07-2014, 01:44 PM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 02:42 PM
RE: Model 89 Cathedral - by Mondial - 02-07-2014, 05:11 PM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 05:18 PM
RE: Model 89 Cathedral - by Mondial - 02-07-2014, 05:35 PM
RE: Model 89 Cathedral - by Steve Davis - 02-07-2014, 07:21 PM
RE: Model 89 Cathedral - by skyscraper - 02-07-2014, 07:49 PM
RE: Model 89 Cathedral - by skyscraper - 02-26-2014, 12:36 PM
RE: Model 89 Cathedral - by Mondial - 02-26-2014, 01:14 PM
RE: Model 89 Cathedral - by skyscraper - 02-26-2014, 01:46 PM
RE: Model 89 Cathedral - by morzh - 02-26-2014, 02:44 PM
RE: Model 89 Cathedral - by Mondial - 02-26-2014, 02:58 PM
RE: Model 89 Cathedral - by morzh - 02-26-2014, 03:14 PM
RE: Model 89 Cathedral - by skyscraper - 02-26-2014, 03:26 PM
RE: Model 89 Cathedral - by Mondial - 02-26-2014, 03:35 PM
RE: Model 89 Cathedral - by skyscraper - 02-26-2014, 03:53 PM
RE: Model 89 Cathedral - by Ron Ramirez - 02-26-2014, 08:21 PM
RE: Model 89 Cathedral - by skyscraper - 02-26-2014, 09:25 PM
RE: Model 89 Cathedral - by morzh - 02-26-2014, 10:41 PM
RE: Model 89 Cathedral - by skyscraper - 02-27-2014, 02:58 PM
RE: Model 89 Cathedral - by Mondial - 02-27-2014, 04:33 PM
RE: Model 89 Cathedral - by skyscraper - 03-02-2014, 03:32 PM
RE: Model 89 Cathedral - by Warren - 03-02-2014, 08:34 PM
RE: Model 89 Cathedral - by Mondial - 03-02-2014, 08:40 PM
RE: Model 89 Cathedral - by morzh - 03-02-2014, 08:44 PM
RE: Model 89 Cathedral - by skyscraper - 03-02-2014, 10:07 PM
RE: Model 89 Cathedral - by morzh - 03-02-2014, 10:31 PM
RE: Model 89 Cathedral - by Mondial - 03-03-2014, 12:01 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-03-2014, 12:12 AM
RE: Model 89 Cathedral - by Warren - 03-03-2014, 12:12 AM
RE: Model 89 Cathedral - by skyscraper - 03-03-2014, 12:47 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-03-2014, 12:51 AM
RE: Model 89 Cathedral - by skyscraper - 03-03-2014, 12:57 AM
RE: Model 89 Cathedral - by Mondial - 03-03-2014, 10:44 AM
RE: Model 89 Cathedral - by Ron Ramirez - 03-03-2014, 09:12 PM
RE: Model 89 Cathedral - by skyscraper - 03-03-2014, 09:46 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-03-2014, 11:48 PM
RE: Model 89 Cathedral - by skyscraper - 03-03-2014, 11:55 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-04-2014, 12:21 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-04-2014, 09:02 AM
RE: Model 89 Cathedral - by Mondial - 03-04-2014, 09:54 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-04-2014, 07:06 PM
RE: Model 89 Cathedral - by Mondial - 03-04-2014, 07:15 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-04-2014, 11:28 PM
RE: Model 89 Cathedral - by Mondial - 03-05-2014, 12:40 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-05-2014, 12:48 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-05-2014, 07:18 PM
RE: Model 89 Cathedral - by Mondial - 03-06-2014, 11:51 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-06-2014, 06:42 PM
RE: Model 89 Cathedral - by skyscraper - 03-08-2014, 09:41 PM
RE: Model 89 Cathedral - by Radioroslyn - 03-08-2014, 10:06 PM
RE: Model 89 Cathedral - by skyscraper - 03-08-2014, 10:16 PM
RE: Model 89 Cathedral - by Radioroslyn - 03-08-2014, 11:19 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-09-2014, 12:16 AM
RE: Model 89 Cathedral - by Mondial - 03-09-2014, 10:26 AM
RE: Model 89 Cathedral - by Warren - 03-09-2014, 06:11 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-09-2014, 10:22 PM
RE: Model 89 Cathedral - by Mondial - 03-10-2014, 10:25 AM
RE: Model 89 Cathedral - by skyscraper - 03-10-2014, 11:16 AM
RE: Model 89 Cathedral - by Mondial - 03-10-2014, 12:05 PM
RE: Model 89 Cathedral - by skyscraper - 03-10-2014, 12:39 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-10-2014, 01:36 PM
RE: Model 89 Cathedral - by skyscraper - 03-10-2014, 03:26 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-10-2014, 06:12 PM
RE: Model 89 Cathedral - by gregb - 03-10-2014, 06:15 PM
RE: Model 89 Cathedral - by Mondial - 03-10-2014, 08:34 PM
RE: Model 89 Cathedral - by skyscraper - 03-10-2014, 08:45 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-10-2014, 10:27 PM
RE: Model 89 Cathedral - by skyscraper - 03-10-2014, 10:36 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-10-2014, 10:48 PM
RE: Model 89 Cathedral - by Mondial - 03-11-2014, 12:05 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-11-2014, 07:53 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-11-2014, 10:53 PM
RE: Model 89 Cathedral - by gregb - 03-11-2014, 11:00 PM
RE: Model 89 Cathedral - by Mondial - 03-11-2014, 11:17 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-11-2014, 11:48 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 12:22 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 07:54 AM
RE: Model 89 Cathedral - by Mondial - 03-12-2014, 08:15 AM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 09:15 PM
RE: Model 89 Cathedral - by Mondial - 03-12-2014, 10:02 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 10:29 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 10:40 PM
RE: Model 89 Cathedral - by Mondial - 03-12-2014, 10:48 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 10:56 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 11:03 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 11:04 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 11:06 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 11:08 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 11:10 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 11:17 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 11:22 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 11:28 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-12-2014, 11:33 PM
RE: Model 89 Cathedral - by Mondial - 03-12-2014, 11:35 PM
RE: Model 89 Cathedral - by skyscraper - 03-12-2014, 11:57 PM
RE: Model 89 Cathedral - by Ron Ramirez - 03-13-2014, 05:27 AM
RE: Model 89 Cathedral - by skyscraper - 03-13-2014, 01:44 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-13-2014, 07:37 PM
RE: Model 89 Cathedral - by Mondial - 03-13-2014, 08:14 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-13-2014, 10:12 PM
RE: Model 89 Cathedral - by skyscraper - 03-14-2014, 12:31 PM
RE: Model 89 Cathedral - by Ron Ramirez - 03-14-2014, 12:40 PM
RE: Model 89 Cathedral - by skyscraper - 03-14-2014, 12:52 PM
RE: Model 89 Cathedral - by gregb - 03-15-2014, 04:45 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-15-2014, 10:57 PM
RE: Model 89 Cathedral - by Ron Ramirez - 03-15-2014, 11:03 PM
RE: Model 89 Cathedral - by gregb - 03-15-2014, 11:13 PM
RE: Model 89 Cathedral - by Ron Ramirez - 03-15-2014, 11:14 PM
RE: Model 89 Cathedral - by gregb - 03-15-2014, 11:38 PM
RE: Model 89 Cathedral - by Ron Ramirez - 03-16-2014, 09:54 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-16-2014, 11:29 AM
RE: Model 89 Cathedral - by skyscraper - 03-16-2014, 01:57 PM
RE: Model 89 Cathedral - by gregb - 03-16-2014, 02:15 PM
RE: Model 89 Cathedral - by skyscraper - 03-17-2014, 02:30 PM
RE: Model 89 Cathedral - by skyscraper - 03-24-2014, 04:25 PM
RE: Model 89 Cathedral - by morzh - 03-24-2014, 04:41 PM
RE: Model 89 Cathedral - by gregb - 03-24-2014, 04:53 PM
RE: Model 89 Cathedral - by skyscraper - 03-24-2014, 04:59 PM
RE: Model 89 Cathedral - by gregb - 03-24-2014, 05:07 PM
RE: Model 89 Cathedral - by skyscraper - 03-24-2014, 05:12 PM
RE: Model 89 Cathedral - by gregb - 03-24-2014, 05:14 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-24-2014, 07:07 PM
RE: Model 89 Cathedral - by gregb - 03-24-2014, 07:19 PM
RE: Model 89 Cathedral - by morzh - 03-24-2014, 07:21 PM
RE: Model 89 Cathedral - by skyscraper - 03-24-2014, 07:26 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-24-2014, 07:32 PM
RE: Model 89 Cathedral - by skyscraper - 03-24-2014, 07:35 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-24-2014, 07:42 PM
RE: Model 89 Cathedral - by skyscraper - 03-26-2014, 10:40 AM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-26-2014, 08:51 PM
RE: Model 89 Cathedral - by skyscraper - 03-26-2014, 09:49 PM
RE: Model 89 Cathedral - by NostalgiaRadioTime - 03-26-2014, 10:50 PM
RE: Model 89 Cathedral - by skyscraper - 03-26-2014, 11:04 PM
RE: Model 89 Cathedral - by TV MAN - 03-27-2014, 01:26 PM
RE: Model 89 Cathedral - by skyscraper - 03-27-2014, 02:34 PM
RE: Model 89 Cathedral - by BrendaAnnD - 03-27-2014, 03:39 PM
RE: Model 89 Cathedral - by gregb - 03-27-2014, 03:44 PM
RE: Model 89 Cathedral - by PAradiogeek - 03-27-2014, 03:50 PM



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