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Class D Switching Power Amplifiers and Power D/A conversion

TPA3116D2 Amp
TPA3116D2 Amp
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Old 13th February 2019, 07:19 PM   #10851
MroD7474 is offline MroD7474
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Many thanks, at this moment I bought a unit!
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Old 18th February 2019, 08:24 PM   #10852
Kingchess is offline Kingchess
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[IMG]orums/attachments/class-d/645568d1510576917-sanwu-tpa3116-csr8635-bluetooth-4-0-noise-fix-unknown_brand_v3-1_tpa3116_sediff_fix_360customs-jpg[/IMG]

Has anyone tried this mod to remove noise?
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Old 18th February 2019, 09:00 PM   #10853
Kingchess is offline Kingchess
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Click the image to open in full size.

Has anyone tried this mod to remove noise?
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Old 18th February 2019, 09:14 PM   #10854
Kingchess is offline Kingchess
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Quote:
Originally Posted by IchWill2019 View Post
You already posted one by your self
here :
SANWU TPA3116 + CSR8635 Bluetooth 4.0 - Noise Fix

What does this Differentiall-2-Singe-Ended mean? Is it important or should it be removed?

Click the image to open in full size.
Has anyone tried this to remove noise?
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Old 18th February 2019, 09:27 PM   #10855
zek is online now zek
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Quote:
Originally Posted by Kingchess View Post
[IMG]orums/attachments/class-d/645568d1510576917-sanwu-tpa3116-csr8635-bluetooth-4-0-noise-fix-unknown_brand_v3-1_tpa3116_sediff_fix_360customs-jpg[/IMG]

Has anyone tried this mod to remove noise?
Your link is incomplete.
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Old 19th February 2019, 02:10 PM   #10856
Kingchess is offline Kingchess
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remove most of the noise by from the tpa3116d2 just removing r38. Thanks doctormord !! Are there any good/noticeable benefits with continuing with your recommendations.
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Old 20th February 2019, 05:16 PM   #10857
Kingchess is offline Kingchess
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Quote:
Originally Posted by Kingchess View Post
remove most of the noise by from the tpa3116d2 just removing r38. Thanks doctormord !! Are there any good/noticeable benefits with continuing with your recommendations.
*removing R28
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Old 28th February 2019, 07:40 AM   #10858
hansueli is offline hansueli  Switzerland
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I have noticed that 33uH coil are not recomended for 4Ohm speaker.



Thats why I will try this little amp. It has 10uH coil and would replace a dual TPA3116 amp.


2x50W TPA3116 Amplifier




If it is good i will put it in my party amplifier.






Other question, I had the 2.1 TPA3116 amplifier.
Click the image to open in full size.


I have it in my party amp. This amp was not used for a while... winter and so.
After turn it on it was not working properly. Only at some descend level. If I put the volume up the sound stops and goes.... But after a moment the amp sound normally again. So we were able to listen music at max level for 5 hours and my 18V9Ah battery was able to reload 6Ah. So only 66% where used :-D

The setup is of my party sound system is 4 TPA3116.
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Old 28th February 2019, 08:09 AM   #10859
baszek is offline baszek
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Quote:
Originally Posted by doctormord View Post
60 Euro - probably not worth that amount of money ;-)
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Old 28th February 2019, 10:37 AM   #10860
FauxFrench is offline FauxFrench  France
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Location: The mountains, calm and quiet.
Quote:
Originally Posted by baszek View Post
60 Euro - probably not worth that amount of money ;-)

Worth the money if that is what you are looking for.
Fine filter chokes and connectors. Looks like western production standards.
With two polyacrylate shielding plates. With connecting wires. The TPA3128D2 chip which is considerably more expensive than TPA3116/18. Small production batch.

This what it costs if it has to be made in the western world.
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