Roberts R66

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Roberts R66

Terry

Rest in Peace

Posts: 1,975
Location: North Hykeham, Lincolnshire

#25

20-02-2019, 03:47 PM

(20-02-2019, 01:03 PM)Terry Wrote: As for the voltage required by the valves themselves, 1.3V is a good choice to aim for.

I know that Michael Watterson went into this in some considerable detail some while ago but I'm not sure if it was here, on VRAT or UKVRRR.

Found it!

Take a look here: https://www.radios-tv.co.uk/community/ra...post-20506

Quote

Messages In This Thread

Roberts R66 - by LyntonP - 14-02-2019, 12:08 AM

RE: Roberts R66 - by ppppenguin - 14-02-2019, 08:08 AM

RE: Roberts R66 - by LyntonP - 14-02-2019, 08:34 AM

RE: Roberts R66 - by LyntonP - 14-02-2019, 02:56 PM

RE: Roberts R66 - by ppppenguin - 14-02-2019, 04:43 PM

RE: Roberts R66 - by LyntonP - 14-02-2019, 05:30 PM

RE: Roberts R66 - by LyntonP - 16-02-2019, 06:20 PM

RE: Roberts R66 - by Crackle - 17-02-2019, 04:27 PM

RE: Roberts R66 - by LyntonP - 17-02-2019, 04:39 PM

RE: Roberts R66 - by Crackle - 17-02-2019, 04:56 PM

RE: Roberts R66 - by ppppenguin - 17-02-2019, 05:33 PM

RE: Roberts R66 - by LyntonP - 17-02-2019, 06:26 PM

RE: Roberts R66 - by ppppenguin - 17-02-2019, 07:27 PM

RE: Roberts R66 - by LyntonP - 19-02-2019, 12:33 AM

RE: Roberts R66 - by LyntonP - 19-02-2019, 08:04 PM

RE: Roberts R66 - by Terry - 20-02-2019, 01:03 PM

RE: Roberts R66 - by Terry - 20-02-2019, 03:47 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 01:35 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 02:13 PM

RE: Roberts R66 - by Terry - 20-02-2019, 02:31 PM

RE: Roberts R66 - by Terry - 20-02-2019, 02:18 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 02:21 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 02:24 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 05:14 PM

RE: Roberts R66 - by Terry - 20-02-2019, 05:42 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 02:30 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 02:39 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 03:59 PM

RE: Roberts R66 - by Terry - 20-02-2019, 04:21 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 04:37 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 04:49 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 05:17 PM

RE: Roberts R66 - by Terry - 20-02-2019, 06:32 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 10:41 PM

RE: Roberts R66 - by Terry - 21-02-2019, 03:23 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 05:56 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 07:05 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 06:07 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 06:16 PM

RE: Roberts R66 - by pwdrive - 20-02-2019, 06:34 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 07:12 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 07:18 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 07:57 PM

RE: Roberts R66 - by ppppenguin - 20-02-2019, 08:00 PM

RE: Roberts R66 - by LyntonP - 20-02-2019, 08:03 PM

RE: Roberts R66 - by Refugee - 20-02-2019, 10:48 PM

RE: Roberts R66 - by Old Sparky - 20-02-2019, 10:55 PM

RE: Roberts R66 - by ppppenguin - 21-02-2019, 06:23 AM

RE: Roberts R66 - by LyntonP - 21-02-2019, 01:05 PM

RE: Roberts R66 - by Terry - 21-02-2019, 02:22 PM

RE: Roberts R66 - by Terry - 21-02-2019, 11:04 AM

RE: Roberts R66 - by Refugee - 21-02-2019, 02:44 PM

RE: Roberts R66 - by LyntonP - 21-02-2019, 06:38 PM

RE: Roberts R66 - by Terry - 22-02-2019, 10:13 AM

RE: Roberts R66 - by LyntonP - 21-02-2019, 07:20 PM

RE: Roberts R66 - by Terry - 22-02-2019, 10:57 AM

RE: Roberts R66 - by Refugee - 22-02-2019, 12:49 AM

RE: Roberts R66 - by Terry - 22-02-2019, 11:13 AM

RE: Roberts R66 - by pwdrive - 22-02-2019, 11:43 AM

RE: Roberts R66 - by Terry - 22-02-2019, 07:48 PM

RE: Roberts R66 - by Refugee - 22-02-2019, 02:22 PM

RE: Roberts R66 - by Refugee - 22-02-2019, 10:37 AM

RE: Roberts R66 - by LyntonP - 22-02-2019, 01:31 PM

RE: Roberts R66 - by ppppenguin - 22-02-2019, 03:05 PM

RE: Roberts R66 - by LyntonP - 22-02-2019, 10:55 PM

RE: Roberts R66 - by Terry - 23-02-2019, 12:00 PM

RE: Roberts R66 - by Refugee - 22-02-2019, 05:20 PM

RE: Roberts R66 - by ppppenguin - 22-02-2019, 05:26 PM

RE: Roberts R66 - by LyntonP - 22-02-2019, 10:37 PM

RE: Roberts R66 - by Refugee - 22-02-2019, 10:38 PM

RE: Roberts R66 - by pwdrive - 23-02-2019, 12:10 PM

RE: Roberts R66 - by Terry - 23-02-2019, 12:43 PM

RE: Roberts R66 - by pwdrive - 23-02-2019, 01:09 PM

RE: Roberts R66 - by Terry - 23-02-2019, 01:53 PM

RE: Roberts R66 - by Refugee - 23-02-2019, 02:26 PM

RE: Roberts R66 - by pwdrive - 23-02-2019, 02:35 PM

RE: Roberts R66 - by Refugee - 23-02-2019, 05:55 PM

RE: Roberts R66 - by pwdrive - 23-02-2019, 07:06 PM

RE: Roberts R66 - by pwdrive - 23-02-2019, 07:23 PM

RE: Roberts R66 - by Refugee - 24-02-2019, 01:09 AM

RE: Roberts R66 - by LyntonP - 22-03-2019, 05:04 PM

RE: Roberts R66 - by Terry - 22-03-2019, 05:13 PM

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