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#1 2008-09-04 16:18:06

TMeisterGeneral
New member
From: Amsterdam
Registered: 2008-05-06
Posts: 8
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what's R55 on a v4b

Hi,

I fried one part on my newly revised Ampeg 4vb. It's part R55. The schematics found online can't give me clarity, so what am I looking for to replace.

Thanks already!

T.


Slow is smooth, smooth is fast

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#2 2008-09-04 17:26:36

paully
Member
From: Northern New Jersey
Registered: 2007-11-02
Posts: 200

Re: what's R55 on a v4b

It's a 470 ohm, 5 watt high voltage resistor that feeds to the output tubes' screens. Here's a better pic http://www.schematicheaven.com/ampegamps/v4bpowramp.pdf .


Best, Paul

Last edited by paully (2008-09-04 17:28:15)


WADAYAKNOW.. For the first time in my life, I'm wrong again!

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