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Class D Switching Power Amplifiers and Power D/A conversion

Audiosource  Amp 7  Tripath
Audiosource  Amp 7  Tripath
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Old 21st October 2007, 08:45 PM   #1
nirvana is offline nirvana  Canada
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Join Date: Oct 2007
Location: Amos , Québec
Angry Audiosource Amp 7 Tripath

i just buy a Audiosource amp 7 tripath. it sound beautiful but i have a terrible sound ( like hum ) in my speakers.

please help me. Claude
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Old 22nd October 2007, 03:23 AM   #2
buzz1939 is offline buzz1939  United States
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Join Date: May 2007
Did you see this?

http://www.diyaudio.com/forums/showt...threadid=99408


http://forum.stereophile.com/forum/s...264&Main=25967

"The output is inverse polarity(information from tech support) and I had a ground hum until I eliminated the ground plug (tech support helped me with the hum problem)."

Also some discussion here:

http://www.audiokarma.org/forums/sho...d.php?t=107110
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Old 23rd October 2007, 08:16 PM   #3
DreadPirate is offline DreadPirate  United States
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Where can these be bought?
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Old 23rd October 2007, 08:29 PM   #4
theAnonymous1 is offline theAnonymous1  United States
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The one and only source I know of.....

http://electronics.search.ebay.com/_...thecablesupply
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Old 24th October 2007, 12:32 PM   #5
DreadPirate is offline DreadPirate  United States
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I wonder if this would be a good candidate for driving a pair of Thiel CS3.5. I'm currently using a GFA-555-II.
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Old 24th October 2007, 02:54 PM   #6
nirvana is offline nirvana  Canada
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Default Audiosource map 7

the Audiosource is poweful and stable to 2 ohm.
I made a confrontation with a linn 2250 (3300$ us)
and i think the sound is the same. punchy , cristaline, very pleasant.
excuse my english....
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