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Old 1st November 2003, 07:10 PM   #1
ManUtd is offline ManUtd  Norway
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Default Amplifier Project

Hi,

I have 2 pcs. Ulveco Ring Core transformers and I want to use them for an Amplifier Project.
It has 2 secondary tappings of 27,5V and 650VA.
I also have a lot of MJ15003 and MJ15023 transistors.

Is there any known project I could use?

reg,

ManUtd.
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Old 2nd November 2003, 12:00 AM   #2
sam9 is offline sam9  United States
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That the rigt voltage for a 60-65W amp. The VA is pretty hefty - more than you need for stereo. If you are in to home theater you could build a stereo + center channel amp. If you careful to use only 8-ohm speakers that should handle all five channels.

As for specific amp designs, there is projecr 3A ay sound.au.com. Or if you are a bit more ambitious, look at the books by G.Randy Slone, the amplifier book and the projects book (try amazon.com)

There are other things you could do but those are my suggestions.
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Old 3rd November 2003, 06:00 PM   #3
mcp is offline mcp  United States
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Hi ManUtd

You can check out some designs here. Though it's designed for 40-0-40, it will work with 27.5-0-27.5 with some minor adjustments.

This particular design may interest you. It's a quasi-complementary output, which means you can use all MJ15003.

Cheers
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