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Dx Blame MKIII-Hx  - Builder's thread
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Old 5th November 2011, 11:14 AM   #341
Junie is offline Junie  Philippines
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Hello Patrick, I suggest to have a solder pads on both side of output trannies for easy mounting on the heatsink.
 
Old 5th November 2011, 12:07 PM   #342
canonnica is offline canonnica  Canada
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Quote:
Originally Posted by destroyer X View Post
Cannonica - MP3/4 players, Ipods and so on, use to have lower audio output level, exception is if you use the line out output jack ... having low level in the input you will not reach full power, then you should reduce the gain resistor connected to the second differential transistor base .... the feedback one ... the one you have connected to the output line through a 47K resistor.... Sultans of Swing is also one of my main test songs.... thank you very much by your support, confidence in Dx amplifiers and also your enthusiasm.... pictures are nice..thank you, go ahead posting...more!
No problem on that side Carlos, I got a Cambridge Audio iPod dock that pumps the data stream and a modified Beresford external DAC with volume control as a "preamp". On my iPod, there's only lossless compressed stuff, "Replaygain" is however applied to the content for audio normalization. Direct iPod audio out is for testing purpose only.

Martin.
 
Old 5th November 2011, 12:33 PM   #343
meanman1964 is offline meanman1964  Belgium
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Quote:
Originally Posted by Junie View Post
Hello Patrick, I suggest to have a solder pads on both side of output trannies for easy mounting on the heatsink.
The pads are plated trough
 
Old 5th November 2011, 03:58 PM   #344
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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Default Godd idea solder mask ot top of the board!

Really good idea to have solder mask on top of the main power trainies, "sorry for my horrible English" but good, I just place top solder mask, that is more flexibility for builders hell yeah.
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File Type: jpg tranies solder mask top.jpg (254.7 KB, 434 views)
 
Old 5th November 2011, 04:11 PM   #345
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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Default Through pad top solder

Well I guess I got it figure out on the "Through pad"
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File Type: png troupad.PNG (19.6 KB, 409 views)
File Type: jpg pad.jpg (192.1 KB, 391 views)
 
Old 5th November 2011, 04:23 PM   #346
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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Wink X-ray board simulate top solder

Also I put it on X-ray to simulate how the top solder look.
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File Type: jpg x-ray positive 3.jpg (122.9 KB, 394 views)
File Type: jpg x-ray positive.jpg (143.2 KB, 380 views)

Last edited by vargasmongo3435; 5th November 2011 at 04:26 PM. Reason: wrong picture doubles
 
Old 5th November 2011, 06:23 PM   #347
Junie is offline Junie  Philippines
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Well done Juan, and additional holes for the screws to fix the board properly. at the moment in my build I put spacers at the bottom secured by rubber cement. See below for my suggested holes location.
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File Type: jpg Blame MkIII.jpg (246.9 KB, 174 views)

Last edited by Junie; 5th November 2011 at 06:41 PM.
 
Old 5th November 2011, 06:42 PM   #348
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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Default thanks!

Quote:
Originally Posted by Junie View Post
Well done Juan.

I try to help the best I can for ideas.
 
Old 5th November 2011, 06:56 PM   #349
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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Talking Support for the weight of the board

Super Junie Super! more ideas really nice, I hope meanman64 like it too,
I just place some holes in areas of the board where the weight has more effect.

keep coming ideas hell yeah! thanks Junie!
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File Type: jpg support for the weight.jpg (208.8 KB, 166 views)

Last edited by vargasmongo3435; 5th November 2011 at 06:58 PM. Reason: wrong image
 
Old 5th November 2011, 07:09 PM   #350
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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By the way, what is the correct diameter of the holes that support the board?
 

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