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Class D Switching Power Amplifiers and Power D/A conversion

Assembling TK2050 Kit
Assembling TK2050 Kit
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Old 7th November 2012, 03:25 PM   #11
Sofus2 is offline Sofus2
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Join Date: Oct 2012
Default Not btl but paralelling?

Thank you Virpz for letting us know how to "BTL" this thing via the scematic (is it for the 2.2-version?) I bougt one of these boards cheap(est?) from goodluckbuy two months ago. It lasted some time and suddenly went up in smoke for no obvious reason. Apart from a little soldering and moddin... Maybe it has to do with the strange warning about "Europe" and voltage. But I used only 20 volts and 8 ohm. BTL it is alrady, but actually it is paralelling the two channels one have to do to get 100w and/or if one uses 4 ohm. It seems I must open all the shorted jumpers and vice verca?
I have bougt a already paralelled duoble 2050 board from Sure (on sale now 29$!!!)so I know the chip sounds much better than ANY AMP I'VE EVER HEARD!
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Old 24th November 2012, 02:39 PM   #12
namronkire is offline namronkire
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Join Date: Nov 2012
I messed it up.
Soldering the caps and resistors worked much better than expected, but I wasn't carful enought with the TK2050 and bent some of the contacts whe using the desoldering braid. When I tried to straighten them one by one I ripped a contactplate on the board off.

It was a interresting experience soldering SMD parts, but for ICs I need some more practice.

So is there any shop, where i can get such a board assembled, tested and ready to use?


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Old 25th November 2012, 06:42 AM   #13
Mooly is offline Mooly  United Kingdom
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Join Date: Sep 2007
Assembling TK2050 Kit
You need to prectice with SMD soldering. If the damage isn't to bad then it can be repaired with fine wire.

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Old 25th November 2012, 07:57 PM   #14
namronkire is offline namronkire
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Join Date: Nov 2012
Thanks for the tut, but it's too late. I got mad and broke the board in half.

Anybody knows any other source for such boards or any other solution for 24V and over 50W per channel?
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