Grundig 80U

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Grundig 80U

Mike Watterson

Senior Engineer in Charge

Posts: 2,670
Reputation: 23
Location: Ireland

16-08-2019, 01:41 PM

Typically about 150 Ohms, maybe 5W, I forget.
If it's a German market Grundig and not for UK and doesn't have a 240V setting, then you need a resistor on the input too. Check valve heater voltage.

Any paper caps on grids are usually bad.

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Messages In This Thread

Grundig 80U - by Amie - 16-08-2019, 11:12 AM

RE: Grundig 80U - by pwdrive - 16-08-2019, 12:04 PM

RE: Grundig 80U - by reset - 16-08-2019, 03:56 PM

RE: Grundig 80U - by Amie - 16-08-2019, 08:02 PM

RE: Grundig 80U - by Amie - 17-08-2019, 03:36 PM

RE: Grundig 80U - by Amie - 16-08-2019, 05:15 PM

RE: Grundig 80U - by ppppenguin - 16-08-2019, 12:21 PM

RE: Grundig 80U - by Amie - 16-08-2019, 01:21 PM

RE: Grundig 80U - by Mike Watterson - 16-08-2019, 01:43 PM

RE: Grundig 80U - by Amie - 16-08-2019, 02:05 PM

RE: Grundig 80U - by Terry - 16-08-2019, 09:07 PM

RE: Grundig 80U - by Terry - 16-08-2019, 09:02 PM

RE: Grundig 80U - by Amie - 16-08-2019, 10:59 PM

RE: Grundig 80U - by Mike Watterson - 16-08-2019, 01:41 PM

RE: Grundig 80U - by Mike Watterson - 17-08-2019, 07:12 AM

RE: Grundig 80U - by Terry - 17-08-2019, 10:35 AM

RE: Grundig 80U - by Terry - 19-08-2019, 11:08 AM

RE: Grundig 80U - by ppppenguin - 17-08-2019, 04:28 PM

RE: Grundig 80U - by Amie - 17-08-2019, 04:55 PM

RE: Grundig 80U - by Ed_Dinning - 17-08-2019, 05:19 PM

RE: Grundig 80U - by Mike Watterson - 17-08-2019, 05:22 PM

RE: Grundig 80U - by ppppenguin - 17-08-2019, 05:25 PM

RE: Grundig 80U - by Amie - 17-08-2019, 05:37 PM

RE: Grundig 80U - by Mike Watterson - 17-08-2019, 06:06 PM

RE: Grundig 80U - by ppppenguin - 17-08-2019, 05:46 PM

RE: Grundig 80U - by Terry - 17-08-2019, 05:51 PM

RE: Grundig 80U - by Amie - 17-08-2019, 06:54 PM

RE: Grundig 80U - by ppppenguin - 17-08-2019, 07:09 PM

RE: Grundig 80U - by Terry - 17-08-2019, 08:28 PM

RE: Grundig 80U - by Amie - 18-08-2019, 11:59 AM

RE: Grundig 80U - by Terry - 18-08-2019, 04:32 PM

RE: Grundig 80U - by Old Sparky - 18-08-2019, 12:57 PM

RE: Grundig 80U - by ppppenguin - 18-08-2019, 01:03 PM

RE: Grundig 80U - by Mike Watterson - 18-08-2019, 02:14 PM

RE: Grundig 80U - by Amie - 18-08-2019, 02:17 PM

RE: Grundig 80U - by Amie - 18-08-2019, 04:49 PM

RE: Grundig 80U - by pwdrive - 18-08-2019, 04:55 PM

RE: Grundig 80U - by Terry - 18-08-2019, 08:00 PM

RE: Grundig 80U - by Mike Watterson - 18-08-2019, 06:08 PM

RE: Grundig 80U - by Mike Watterson - 19-08-2019, 07:52 AM

RE: Grundig 80U - by Amie - 19-08-2019, 12:04 PM

RE: Grundig 80U - by ppppenguin - 19-08-2019, 11:51 AM

RE: Grundig 80U - by Terry - 19-08-2019, 12:52 PM

RE: Grundig 80U - by Old Sparky - 19-08-2019, 12:09 PM

RE: Grundig 80U - by ppppenguin - 19-08-2019, 12:56 PM

RE: Grundig 80U - by Terry - 19-08-2019, 01:18 PM

RE: Grundig 80U - by Mike Watterson - 19-08-2019, 12:59 PM

RE: Grundig 80U - by Terry - 19-08-2019, 01:14 PM

RE: Grundig 80U - by Mike Watterson - 19-08-2019, 04:00 PM

RE: Grundig 80U - by Amie - 19-08-2019, 01:19 PM

RE: Grundig 80U - by Terry - 19-08-2019, 01:25 PM

RE: Grundig 80U - by Terry - 19-08-2019, 04:31 PM

RE: Grundig 80U - by Amie - 19-08-2019, 04:55 PM

RE: Grundig 80U - by Terry - 19-08-2019, 05:06 PM

RE: Grundig 80U - by pwdrive - 19-08-2019, 05:10 PM

RE: Grundig 80U - by Amie - 19-08-2019, 09:25 PM

RE: Grundig 80U - by Mike Watterson - 19-08-2019, 05:14 PM

RE: Grundig 80U - by Amie - 19-08-2019, 09:11 PM

RE: Grundig 80U - by Terry - 20-08-2019, 09:12 AM

RE: Grundig 80U - by Amie - 20-08-2019, 08:49 PM

RE: Grundig 80U - by pwdrive - 20-08-2019, 09:12 AM

RE: Grundig 80U - by pwdrive - 21-08-2019, 10:32 AM

RE: Grundig 80U - by Terry - 21-08-2019, 12:26 PM

RE: Grundig 80U - by pwdrive - 21-08-2019, 12:32 PM

RE: Grundig 80U - by Terry - 21-08-2019, 12:41 PM

RE: Grundig 80U - by pwdrive - 21-08-2019, 12:48 PM

RE: Grundig 80U - by Terry - 21-08-2019, 03:06 PM

RE: Grundig 80U - by pwdrive - 21-08-2019, 03:21 PM

RE: Grundig 80U - by Terry - 21-08-2019, 04:17 PM

RE: Grundig 80U - by pwdrive - 21-08-2019, 04:29 PM

RE: Grundig 80U - by Terry - 21-08-2019, 05:08 PM

RE: Grundig 80U - by pwdrive - 21-08-2019, 05:34 PM

RE: Grundig 80U - by Amie - 21-08-2019, 08:33 PM

RE: Grundig 80U - by Amie - 21-08-2019, 09:16 PM

RE: Grundig 80U - by Terry - 22-08-2019, 10:13 AM

RE: Grundig 80U - by Amie - 22-08-2019, 10:48 AM

RE: Grundig 80U - by Amie - 22-08-2019, 11:33 AM

RE: Grundig 80U - by Terry - 22-08-2019, 12:44 PM

RE: Grundig 80U - by pwdrive - 22-08-2019, 12:56 PM

RE: Grundig 80U - by Amie - 22-08-2019, 02:11 PM

RE: Grundig 80U - by reset - 22-08-2019, 02:33 PM

RE: Grundig 80U - by pwdrive - 22-08-2019, 03:21 PM

RE: Grundig 80U - by Terry - 22-08-2019, 03:45 PM

RE: Grundig 80U - by pwdrive - 22-08-2019, 03:11 PM

RE: Grundig 80U - by Amie - 22-08-2019, 03:36 PM

RE: Grundig 80U - by pwdrive - 23-08-2019, 10:47 AM

RE: Grundig 80U - by Amie - 23-08-2019, 11:01 AM

RE: Grundig 80U - by pwdrive - 23-08-2019, 11:18 AM

RE: Grundig 80U - by Amie - 23-08-2019, 01:16 PM

RE: Grundig 80U - by pwdrive - 23-08-2019, 01:58 PM

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