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Old 31st August 2004, 10:53 PM   #1
Hesky is offline Hesky  United Kingdom
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Question DIY car amplifier

Any good sounding schematics out there? mono or 2 channel, class AB, class A or even a hybrid tube project.

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Old 1st September 2004, 12:04 PM   #2
Immo_G is offline Immo_G  Australia
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You could use any home audio amp design (almost any). The main challenge is power supply.
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Old 1st September 2004, 06:49 PM   #3
95Honda is offline 95Honda  Germany
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You could use any home audio amp design (almost any). The main challenge is power supply.
Yep. Switchers are complicated.

Anyone know some place that sells kits to build a power supply for something like this?
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Old 1st September 2004, 10:35 PM   #4
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Location: Great White North, eh?
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DIY PS schematic: Rod Elliot's Project 89 (contributed by Sergio Sanchez, who's on this board.)

Sergio seems to have in development a kit where you can just buy a working car SMPS for your own amplifier. If so, then that's probably the route that I'll look to.

I think the thread is at This Link where Sergio mentions this.
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Old 3rd September 2004, 03:04 AM   #5
djQUAN is offline djQUAN  Philippines
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I have built mine in three weekends. it consists of two P3A's and my modified SMPS.

+/-35V rails. although they run a bit hot due to high bias.

P3A's may seem low but they do make great front stage amps.

haven't taken any pics or drawn any schematics yet but soon I might.
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