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Old 8th September 2009, 02:06 PM   #1
Cassiel is offline Cassiel  Libya
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Default Cool amp

First time I see three transformers kissing each other. It takes two to tango but what about three?

The web page shares the same philosophy, so much in so little space.

http://www.diyzone.net/article.php?sid=1159
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Old 8th September 2009, 02:20 PM   #2
Klimon is offline Klimon  Belgium
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Three is a crowd...
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Old 8th September 2009, 02:28 PM   #3
leitmo is offline leitmo  Spain
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what are these strange drawings beside pics? maybe letters?
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Old 8th September 2009, 07:35 PM   #4
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Its not the transformers themselves, its cages.
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Old 8th September 2009, 08:20 PM   #5
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One of them might be a big choke for the power supply.
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Old 8th September 2009, 10:46 PM   #6
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The two "front" ones are most likely the output transformers. It's a SE stereo design from the looks of it.
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Old 8th September 2009, 11:31 PM   #7
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If you bother to search around on that site you'll find other nice amplifiers like this one.
http://www.diyzone.net/modules.php?o...125265&forum=3
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Old 9th September 2009, 01:55 AM   #8
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Quote:
Originally Posted by HollowState View Post
If you bother to search around on that site you'll find other nice amplifiers like this one.
http://www.diyzone.net/modules.php?o...125265&forum=3
The wiring on that amp is a work of art.

Rob
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Old 16th September 2009, 10:27 AM   #9
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I think the amp is based on a principle called STC - Super Triode Connection, where a triode is used in a feedback loop in a fashion that gives the OP-device, be it a tetrode, pentode or a transistor triode characteristics. Built one of those with ECL82. Works OK.
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