ac30 plate voltage

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scole90
Junior tube assistant
Posts: 14
(2/9/04 2:22 pm)
 ac30 plate voltage
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 ive read posts saying ac30's, run the heck out of power tubes,what plate voltage does a typical ac30 run?
 
GroundhogKen
Forum Moderator
Posts: 2249
(2/9/04 3:12 pm)
 Re: ac30 plate voltage
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 I'd like to think 325V is the norm, but I bet some of them run as high as 340V or worse. The only reprieve is that you get to subtract the 10v-12v cathode voltage

Not only that, but real AC30s have the tubes buried inside the cabinet with just a couple of skinny vents.

It's a true torture chamber for EL84s.


Ken
 
6G6
Junior tube assistant
Posts: 74
(2/9/04 3:49 pm)
 Re: ac30 plate voltage
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 I've always wondered why it is so high.
Is that what it takes to get that Brian May, compressed, sustained sound?
What would it do at a relatively sane 280V?
 
scole90
Junior tube assistant
Posts: 15
(2/9/04 11:43 pm)
 Re: ac30 plate voltage
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 i think so, my spitfire is running the tubes at 352 volts but it sounds fabulous.
 
 
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