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Old 17th August 2010, 12:33 AM   #1
npdang is offline npdang  United States
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Join Date: Aug 2004
Location: California
Default FS Yulong AmpOne (gainclone)

I have a Yulong Ampone which is a Gainclone (class D) amp clone. It sounds very smooth and has great bass as compared to my older Parasound Zamp. Very powerful compact amp and no hiss/noise issues as with other Chinese class T/D amps. Selling it because I no longer need it.

*THD: 0.02% (30W 8Ω 20Hz - 20KHz)

*R.M.S: 40W +40 W (8Ω)

*P.M.P.O.: 250W +250 W (8Ω)

*Frequency Response: 20-200KHz-0.1db

*Dimensions: 180 * 250 * 55mm


I paid $180 for it shipped, and would like $100 plus actual shipping from zip code 92602 for 8 lbs. Would make a great bedroom, office, or den amp.

You can check my Ebay feedback under "npdang" I take paypal gift, or regular paypal+3%. Please direct any inquiries to npdang AT gmail DOT com. Pictures to follow.

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Old 17th August 2010, 12:55 AM   #2
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Location: Anonymityville
Just an FYI - this is NOT a Class-D or Class-T amplifier.

This quote is from PacificValve.us...

"Yulong engineers unwound the National 4780 that gave the previous amplifier, the
AMP4780, its unique tube-like sound. The reasons for doing this was to extract more of
the music from the input source, yet still provide the amazing stability of the 4780. Yulong
engineers in picking discrete components, were able to tailor the sound for a more
detailed tube like presentation."

This is a discrete solid state amplifier. I see countless people buying/selling this amp without even knowing what it really is.
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Old 21st February 2012, 06:32 PM   #3
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Join Date: Mar 2009
Default Modifying the Amp One

Hello,

I'd like to know if anyone could tell me how to make this pretty quiet Yulong Amp One I have --- even quieter in the background.

I could replace caps, resistors, etc. if someone would make specific suggestions.

Also, is there a DC offset adjustment for this amp? And, if so how do I do that?

Thanks,
Mark W.
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