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Old 20th April 2012, 03:27 PM   #1
JFace is offline JFace  Canada
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Join Date: Sep 2011
Location: Toronto
Default Help with layout of tube preamp

Hi folks,

I thought I would post a preliminary layout (conceptual) for a mic/instrument preamp that I'm designing. Without going into the details of the circuitry, can you critique my layout of components?

Thanks for your time.
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File Type: pdf Tube Preamp Layout.pdf (36.5 KB, 70 views)
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Old 20th April 2012, 06:24 PM   #2
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Join Date: Jan 2005
Location: Hartford
The layout seems OK. Keep in mind that the heater supply is going to need some big caps, and that the heater reg is likely to dissipate a lot of heat. Additionally, for a mic pre, I'd add a B+ regulator -- even something as simple as a zener + a pass transistor will save space and work wonders.
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