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Class D Switching Power Amplifiers and Power D/A conversion

TPA3116D2 Amp
TPA3116D2 Amp
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Old 6th February 2019, 05:37 PM   #10841
baszek is offline baszek
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Quote:
Originally Posted by hansueli View Post
Hello all


I just found a new version off my TPA3116 dual mono amp. This one should be equipped with wima capacitors. Looks good.



Click the image to open in full size.
Wow - looks nice :-) can you provide some link where we can buy it ? In my opinion all that chinese wima, nichicon etc capacitors & op-amps might be fake ...
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Old 6th February 2019, 05:41 PM   #10842
hansueli is offline hansueli  Switzerland
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Quote:
Originally Posted by baszek View Post
Wow - looks nice :-) can you provide some link where we can buy it ? In my opinion all that chinese wima, nichicon etc capacitors & op-amps might be fake ...



Is this link permited:


AIYIMA Professional Mini Amplificador Audio Amplifiers Board TPA3116 2.0 Dual Chip Digital Power Amplifier 100W For Home Theater
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Old 6th February 2019, 05:52 PM   #10843
baszek is offline baszek
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Feedback -- zero - no feedbacks at all :-)
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Old 7th February 2019, 01:41 AM   #10844
snip3r is offline snip3r
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Quote:
Originally Posted by hansueli View Post
Hello all


I just found a new version off my TPA3116 dual mono amp. This one should be equipped with wima capacitors. Looks good.



Click the image to open in full size.
you mean this?
Yuan Jing Audio - Mini TPA3116 2.0 Amplifier (Weimar Edition) - USD $31.30 - Finished Units
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Old 7th February 2019, 08:44 AM   #10845
hansueli is offline hansueli  Switzerland
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@ Snip3r I mena only the amplifier Board. No housing or others
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Old 7th February 2019, 08:56 AM   #10846
baszek is offline baszek
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Quote:
Originally Posted by hansueli View Post
@ Snip3r I mena only the amplifier Board. No housing or others
Is it actually any better than other cheap tpa3116 ? I am worried that all that capacitors might be fake anyway :-) This board is PBTL right ? So probably more suitable for 4 ohms load, right ?
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Old 7th February 2019, 09:09 AM   #10847
hansueli is offline hansueli  Switzerland
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Quote:
Originally Posted by baszek View Post
Is it actually any better than other cheap tpa3116 ? I am worried that all that capacitors might be fake anyway :-) This board is PBTL right ? So probably more suitable for 4 ohms load, right ?

Probabely fake but you have the right foodprint so you can tweak it easy :-D yes PBTL.



For such power the power on/off volume potentiometer is a bit too underpower
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Old 12th February 2019, 07:37 AM   #10848
chanfh is offline chanfh  Malaysia
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The board looks nice... But I'm wondering why the seller state 5Amps instead of higher? If it's to deliver 200W total, at 24V the board should consume more current is it not?
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Old 12th February 2019, 07:57 AM   #10849
dzwer is offline dzwer  Bulgaria
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If you listen sinusoidal signal with frequencies 50-100Hz - yes, then you need 200*1.1=220W minimum continuous power supply, or 24V/9.2A PSU.
For music 5A will be enough, for normal listening.

And the board really looks very nice - at least very comfortable for modifications.
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Old 13th February 2019, 01:53 PM   #10850
doctormord is offline doctormord  Germany
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If anyone's interested in this?

FS:Supertiny TPA3128D2 (TPA3116/TPA3118) 2x30W(50W) Stereo Class-D Amplifier
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