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Old 12th September 2002, 09:17 PM   #1
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Question Need a amplifier schematic

I want to build a simple yet, powerful amplifier using transistors, not an output IC.

I heard that P3a was a good one, where can i find the schematics.
I also want to integrate it into an enclosed subwoofer box. I need plans to a box.

Any ideas??
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Old 13th September 2002, 02:43 AM   #2
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Join Date: Nov 2001
Location: Harlowton, MT, USA

There's all kinds of cool stuff there, including the p3a schematics and design notes. Nowhere better!
- "With power amplifiers, negative feedback is a good thing, and positive feedback can induce destructive oscillation, but with people, positive feedback is a good thing, and negative feedback can induce destructive oscillation"
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Old 13th September 2002, 02:43 AM   #3
paulb is offline paulb  Canada
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ESP project 3A is at .
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Old 13th September 2002, 08:12 PM   #4
skaara is offline skaara  Slovenia
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Location: Europe, Slovenia
ou calculate box size from speaker characteristics.
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