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Old 13th March 2011, 11:28 PM   #321
meanman1964 is offline meanman1964  Belgium
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Quote:
Originally Posted by Rudi_Ratlos View Post
This is the current status of your orders:

Click the image to open in full size.

I have just started a quote for 30 PCBs, single-sided, the thickness of the PCBs being 2mm, copper weight being 70µm, the surface having
a tin immersion finish (I will do another quote for golden finish) with this layout (the transistors will be mounted vertically, without ALU-L- bracket):

Click the image to open in full size.

I will be able to offer you this PCB for 10€ per piece.

I will set the deadline of the 3rd round to Saturday, 26th of March.
Then I will order.

In the meantime I will do some research on what I can offer you as a "Small Kit" and will tell you.

Best regards - Rudi_Ratlos
How come I can't see or open this
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Old 14th March 2011, 07:27 AM   #322
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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DX Blame Group Buy
Can you see any picture here? Maybe you have blocked pictures to show up? The pictures are png. Are you using an old browser?
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Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 20 pcb's in interest.
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Old 14th March 2011, 06:44 PM   #323
meanman1964 is offline meanman1964  Belgium
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Quote:
Originally Posted by peranders View Post
Can you see any picture here? Maybe you have blocked pictures to show up? The pictures are png. Are you using an old browser?
The only pics I can't see are the pics of Rudi
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Old 14th March 2011, 07:34 PM   #324
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Those are png's. I'll suggest that you update your browser.
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/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 20 pcb's in interest.
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Old 14th March 2011, 10:35 PM   #325
Rudi_Ratlos is offline Rudi_Ratlos  Germany
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Dear DX Blame friends,

MeTal just sent me his revision of my layout of the DX Blame MKII, so I can start with the silkscreen and the final check
of the schematics, components and values tomorrow.

It is of course up to you to decide, whether you want the power transistors and VAS drivers being mounted horizontally
(by means of an ALU - L-bracket) or vertically.

Have a look and compare these 2 pictures please.

Click the image to open in full size.

Click the image to open in full size.

This is the way, how 2 amateurs (my friend Volker and I) have done it.

My way to do it, the way I recommend you, on the 1st picture, uses an ALU - L-profile.
It is absolutely robust.
Please apply a very thin layer of thermal paste to the ALU profile to compensate for unevenesses of the ALU surface.

My friend's result, mounting the transistors directly to the heatsink, looks a little bit "instable".
His way to do it may be superior from a thermal point of view, especially (and only) when you are going
to build the SuperCharged version of the DX Blame.

It is up to you to decide which way you want.
Please tell me, via PM or in this thread, how you want it.
I need your information to order the PCBs with the correct size.

I am sure, that Carlos will respect your decision.

Best regards - Rudi_Ratlos
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Old 14th March 2011, 11:08 PM   #326
meanman1964 is offline meanman1964  Belgium
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Quote:
Originally Posted by peranders View Post
Those are png's. I'll suggest that you update your browser.
I use explorer 8 still see only red crosses with Rudis pics
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Old 14th March 2011, 11:29 PM   #327
meanman1964 is offline meanman1964  Belgium
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Rudi why I can not see your pics only red crosses?Do u know why?
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Old 15th March 2011, 04:53 AM   #328
RKH is offline RKH  United States
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Default Boards arrived...

In Colorado USA... Thank you Rudi! That was much quicker than I expected.

Cheers,
Ryan

PS: here's a link to the post of my first amp built with Rudi's red boards. It sounds great (with and without the hula girl ... pretty lights will be installed this weekend)! http://www.diyaudio.com/forums/solid...ml#post2488350
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Old 15th March 2011, 05:20 AM   #329
RKH is offline RKH  United States
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Default To "L" or not to "L"

I can go either way but... If you go with the "No L" version, than I would prefer that the board have two additional mounting holes, one in each corner on the output device end of the board, symmetrical with those on the input side of the board.

It is very sturdy with the L bracket on the existing design. Has anyone verified that the "L" version (for MK II) offers enough heat transfer path (low-enough heat resistance) to the main heatsink?

Thanks,
Ryan
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Old 15th March 2011, 06:19 AM   #330
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Quote:
Originally Posted by meanman1964 View Post
Rudi why I can not see your pics only red crosses?Do u know why?
Does Firefox or Chrome work for you?
__________________
/Per-Anders (my first name) or P-A as my friends call me
Group buy: DCT03 DC trap for big toroidal transformers. Sign up for interest HERE. 20 pcb's in interest.
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