Lamp limiter.

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Lamp limiter.

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Diabolical Artificer

Engineer in Charge

Posts: 822
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Location: Nr Sleaford, Lincolnshire

#15

25-09-2021, 06:51 AM (This post was last modified: 25-09-2021, 06:53 AM by Diabolical Artificer.)

Good result. 175v doesn't really mean much, 175v AC? 175v DC where? I'd expect main HT to be 250 - 300v for the OP stage and 200v ish for the triode. If your HT is 175v, something is probably wrong, EG duff rectifier, leaky main cap, incorrectly biased OP stage. What is the AC voltage of the mains tfmr secondary? I'd advise you have a look at the ECL86 datasheet and check DC conditions for peace of mind and proficiency. What's the AC voltage

Andy.

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Messages In This Thread

Lamp limiter. - by catch29 - 21-09-2021, 09:47 AM

RE: Lamp limiter. - by ppppenguin - 21-09-2021, 11:09 AM

RE: Lamp limiter. - by Diabolical Artificer - 22-09-2021, 05:10 AM

RE: Lamp limiter. - by Murphyv310 - 22-09-2021, 06:59 AM

RE: Lamp limiter. - by Mike Watterson - 22-09-2021, 02:33 PM

RE: Lamp limiter. - by ppppenguin - 22-09-2021, 03:16 PM

RE: Lamp limiter. - by Mike Watterson - 23-09-2021, 09:53 AM

RE: Lamp limiter. - by catch29 - 22-09-2021, 03:52 PM

RE: Lamp limiter. - by catch29 - 23-09-2021, 05:31 PM

RE: Lamp limiter. - by catch29 - 23-09-2021, 05:38 PM

RE: Lamp limiter. - by ppppenguin - 23-09-2021, 06:06 PM

RE: Lamp limiter. - by Mike Watterson - 23-09-2021, 10:34 PM

RE: Lamp limiter. - by Diabolical Artificer - 24-09-2021, 05:42 AM

RE: Lamp limiter. - by catch29 - 24-09-2021, 07:03 PM

RE: Lamp limiter. - by Diabolical Artificer - 25-09-2021, 06:51 AM

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