Are you ready to face strong emotions?.. Dx Blame MKII and the Supercharged release! - Page 66 - diyAudio
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Old 13th October 2012, 10:35 PM   #651
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is it possible to paint the heat sink in a matte color using high temperature paint Vostro? because having the aluminum polished create problems because is extremely sensitive to scratches even with you bare hands the dusty environment where I live here in Puerto Rico, also Puerto Rico is really humid too and the aluminum can get rusty I use "mother brand" that protect the metal from rust but it can be paint?

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vargasmongo3435
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Old 13th October 2012, 10:39 PM   #652
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I think its been noted that the last few posts are dealing with the mating interface and not radiative thermal transfer.
Agreed thermal grease or a filler pad really works wonders, my measured best is from lightly abrading the surfaces to provide contact centers (perpendicular scoring) and remove any oxide, thorough cleaning, then immediately applying the grease or filler pad and fastening the component using a spring washer(s).
Flatness is important as is the roughness of the finish, but keep in mind that if you dont apply pressure you get a theoretical 3 point contant (metal to metal) as pressure is applied the highest point contact is flattened and now an additional contact is made, this continues as a function of the pressure, material hardness and finish.

Thanks
-Antonio
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Old 14th October 2012, 08:32 PM   #653
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Quote:
Originally Posted by vargasmongo3435 View Post
Hello guys! has anyone try this volume control circuit?


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vargasmongo3435
I can tell you that too much noise on this chip.
LM4610 much better.
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Old 5th November 2012, 02:30 PM   #654
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Hello guys!

I finally have my Supercharged in stereo! weeeee, I having a problem with the other channel "not the board" the board was bias perfectly, it was just a simple 3.5mm cable that was faulty, I replace it and nice dude........ lol good sound guys, I don't have the enclosure yet but I will soon, ok guys take care I will continue on mister Carlos new project Dx Super A layout bye bye.

Dx Blame MKII Supercharged Stereo in Puerto Rico - YouTube

Regards
Vargas

Last edited by vargasmongo3435; 5th November 2012 at 02:32 PM. Reason: error writting
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Old 5th November 2012, 03:15 PM   #655
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Default Thank you dear Juan

Nice video, despite the camera audio recording does not help.

Install your speaker in a wooden panel to avoid losses..at least a wooden panel, even a cardboard panel (thick one) will reduce losses.

regards,

Carlos
Attached Images
File Type: jpg Panel.jpg (12.5 KB, 200 views)
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Last edited by destroyer X; 5th November 2012 at 03:28 PM.
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Old 5th November 2012, 06:38 PM   #656
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The reason I didn't have sound on the other channel lol

Dx Blame Supercharge Stereo faulty cable - YouTube

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Vargas
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Old 29th November 2012, 05:26 PM   #657
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Default Juan told me that he has some boards left

He made his own Supercharged pcboard design, almost the same as Mitchel has made and he ordered too many..he has boards left.

So, if you want boards from this multimodel amplifier contact him directly:

vargasmongo@gmail.com

Boards he has are to these amplifiers you see here:

DX Blame Amplifiers - Carlos Mergulhão

regards,

Carlos
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Old 29th November 2012, 06:19 PM   #658
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Mr. Juan Sir,,How many boards do you have left, and how much you want for them. Thanks Evette
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Old 29th November 2012, 06:54 PM   #659
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Here is the results of many days working on both boards, I have a few boards left after this I will not order anymore so last time sale. if interesting please contact me at vargasmongo@gmail.com note: this board is fully tested for about a few months and no problems at all.



Regards
Juan
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Old 30th November 2012, 12:08 PM   #660
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Default Where's the frog dear Juan?

This one is not high end...has not a frog on it?

regards,

Carlos
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