Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => EZ Board postings => Topic started by: Geezer on June 17, 2005, 09:52:54 pm
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Hoffman Amplifiers
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> 56K resistors on the two Screen Caps ?
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aerojazz
Senior tube assistant
Posts: 157
(3/5/04 12:34 pm)
56K resistors on the two Screen Caps ?
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The 56K resistors on the two Screen Caps (100 watt SuperLead) are the necessary?
Can I sub some other val?
I dont have any on hand.
Edited by: aerojazz at: 3/5/04 12:52 pm
GroundhogKen
Forum Moderator
Posts: 2307
(3/5/04 1:35 pm)
Re: 56K resistors on the two Screen Caps ?
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They are necessary to insure that both series cap share the total voltage--rather than one cap taking the full B+ while the other remains uncharged.
I'm sure you could get away with some plain old 1/2 watt 220K resistors while you wait for the correct parts.
Ken
aerojazz
Senior tube assistant
Posts: 158
(3/5/04 2:16 pm)
Re: 56K resistors on the two Screen Caps ?
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whew, relief, thanks again...
How bout two 5 watt 100K in parallel (each)?
Edited by: aerojazz at: 3/6/04 10:46 am
GroundhogKen
Forum Moderator
Posts: 2309
(3/6/04 10:55 am)
Re: 56K resistors on the two Screen Caps ?
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That works.
I don't think the value is critical. You could just use two 100K 5 watters -- no real need to parallel them to 50K.
Ken
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