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Class D Amplifier Website with Comparisons??
Class D Amplifier Website with Comparisons??
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Old 30th December 2004, 08:15 PM   #21
chrisb03 is offline chrisb03  Australia
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Join Date: Oct 2004
Location: Sydney
Hi Mac,

Very nice setup. How do you figure out where to put the acoustic dampers? Trial and error? I took my Ucd400 amp to my cousins for a comparison with his gear (forgot the brand/model of amp), we found his amp had alot more bass, not sure if it was artificial or not. I also tried running with and without the P3A dac (without was just the analog output of a DVD player!) and we couldn't tell the difference. I think he has serious acoustic problems. Also, moving his speakers around didn't make much difference!

Is there a simple way to improve/check acoustics?

My UcD400 amplifier
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Old 30th December 2004, 09:32 PM   #22
tiki is offline tiki  Germany
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Join Date: Feb 2004
Location: Dresden
I fully agree with Chris, very nice. The graphs are surprising, dipole arrangement seems to be the "softer" solution for small listenig rooms. My sealed box is small and nearly "dead" (no resonances), built with the same material, you used (German: MDF) 19mm, but two plies laminated =38mm. Hopefully the box sound will be absent.
Thank you!
Will drop you a PM concerning the dipoles.
Regards, Timo
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