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Class D Switching Power Amplifiers and Power D/A conversion

Sure Electronics AA-AB32313  2x400
Sure Electronics AA-AB32313  2x400
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Old 3rd November 2016, 04:04 AM   #11
Albrerta is offline Albrerta  Canada
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Quote:
Originally Posted by wushuliu View Post
So what chips exactly are these based on?
control chip

http://www.chinaeds.com/zl/laoli%5CT...h%5CTC2001.pdf

output
http://www.st.com/content/ccc/resour...CD00151078.pdf
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Old 3rd November 2016, 04:13 AM   #12
wushuliu is offline wushuliu  United States
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Huh, I thought we went through a popularity phase with these chips already a few years ago? Typical tripath sound. What makes the sure's any different?
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Old 3rd November 2016, 03:29 PM   #13
erichthinks is offline erichthinks
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Quote:
Originally Posted by wushuliu View Post
Huh, I thought we went through a popularity phase with these chips already a few years ago? Typical tripath sound. What makes the sure's any different?
Do you think this amp would drive a 12" peavey stage monitor @ 8ohms (or possibly a pair)? When you talk about typical tripath sound I'm curious to know if it's too much of a joke to push pro audio speakers. I really appreciate your input.
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Old 3rd November 2016, 03:40 PM   #14
denbret is offline denbret  Canada
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Quote:
Originally Posted by wushuliu View Post
So what chips exactly are these based on?

Hi the chips for the 400w et 500w are same. The chips is STA516BE of STMicroelectronics.

it is two amps each have 2 chips in PBTL mode.
here the guy gave him a name, the Gremlin.

Gremlin- kleiner Class-T Amp- ganz groß. - DIY-HIFI-Forum

@jahshines
I'll get back to you about my speakers, I am currently on the road.

Last edited by denbret; 3rd November 2016 at 03:44 PM.
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Old 3rd November 2016, 05:17 PM   #15
Mayuri is offline Mayuri  Finland
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Denbret, do you happen to know which chip the 2x100W versioon is based on? TK2050?
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Old 3rd November 2016, 05:58 PM   #16
tubo is offline tubo  Philippines
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Old 3rd November 2016, 09:19 PM   #17
seanp2k is offline seanp2k  United States
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Does anyone know what chips these are using?

AA-AB32512
AA-AB32514

I'm also interested in any differences between them, since they're both rated "2x500". The only info on the site states:

AA-AB32512
"This amplifier board supports stereo amplification by using two channel PBTL topology."

AA-AB32514
"This audio amplifier board employs ST's 500 W FFX digital amplifier power stage chipT-AMP"
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Old 3rd November 2016, 09:58 PM   #18
Albrerta is offline Albrerta  Canada
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a quick search can tell you that "ST's 500 W FFX digital amplifier power stage " is referring to STA516BE http://www.st.com/content/ccc/resour...DM00112482.pdf
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Old 3rd November 2016, 09:59 PM   #19
denbret is offline denbret  Canada
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Quote:
Originally Posted by Mayuri View Post
Denbret, do you happen to know which chip the 2x100W versioon is based on? TK2050?
I don't know. surely a tk2050, which I believe are chips of the same company, ST Electronics, but older. I already had a tk2050 hifimediy of the t4, and I did not like the sound.

So everything depends on the implementation. But I would trust the 100w, another member has the 200w and is very satisfied.
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Old 3rd November 2016, 10:02 PM   #20
Albrerta is offline Albrerta  Canada
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and the AA-AB32514 is "heavy load version of the original compact 2 x 500Watt amplifier board", PCB layout are different
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