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Old 12th March 2011, 11:09 AM   #301
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Thank you for your advises, PerAnders.

Here you are:

Click the image to open in full size.

1) By German law the distance between two mains wires of different polarity or the distance from a mains wire to GND (f.e. PE ground)
must be bigger than 4 (!) mm. (The reason for this is f.e. corrosion.)
Did I remember this wrong?

2) You see the little dot on one primary winding of the on-board transformer?
This is where the winding starts, and I wanted to keep it.

3) I use 70µm thick copper traces normally, but of course I would solder a solid core on the big mains traces, after all is done.

4) You are right: the relays need not be fed with a regulated voltage, but the LM555 timer should be for stable operation.

5) The LM555 timer solution has been discussed in this forum, and the 4K7 was one of the results of this dicussion.
I will leave it there, PerAnders.



Best regards - Rudi_Ratlos
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Old 12th March 2011, 11:18 AM   #302
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Thank you for your offer, PerAnders.
Your board looks very nice and professional indeed!

And I like very much, that you contribute your circuit to the fame of the DX Blame!

So, my DX Blame friends: if you are in need of a "Soft-Power-On" circuit: Go and ask PerAnders.

Best regards - Rudi_Ratlos
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Old 12th March 2011, 12:26 PM   #303
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Rudi, the boards arrived today and look great. Thanks again.

Pls put me down for two of your MK2 supercharged boards of your next buy. You have made a great contribution for people like me whom could not make their own PCBs.

Best, John Geneva
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Old 12th March 2011, 12:34 PM   #304
Electrons are yellow and more is better!
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Rudi, about the 4k7, I ment that you could rotate it 90 degrees and by this form a jumper.

I could arrange a group buy but before put up the wikipage I would ask people to send me an email first. So far I have 3 pcb in interest.
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Last edited by peranders; 12th March 2011 at 12:36 PM.
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Old 12th March 2011, 12:38 PM   #305
Electrons are yellow and more is better!
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Rudi, the amp case could be ungrounded, then you must have 8 mm.
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Old 12th March 2011, 03:46 PM   #306
RKH is offline RKH  United States
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Rudi,
Please add 4 amp boards for me please.

Thanks,
RKH (Ryan)
PS Have my boards shipped from the previous batch? Cheers.

Quote:
Originally Posted by Rudi_Ratlos View Post
The current status:

Click the image to open in full size.

@HotChocolate (CafeNoir): may I have your votes, please?

Best regards - Rudi_Ratlos
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Old 12th March 2011, 04:41 PM   #307
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Ryan,

I shipped your and all other PCBs last weekend.
Have a little Patience, please.

Best regards - Rudi_Ratlos
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Old 12th March 2011, 04:54 PM   #308
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Quote:
Originally Posted by Rudi_Ratlos View Post
The current status:

Click the image to open in full size.

@HotChocolate (CafeNoir): may I have your votes, please?

Best regards - Rudi_Ratlos
Sure! Count me in for:
- 4 boards. (Vertical mounting, if possible)
- 4 protection boards
-And I'll take the kit option if available too (for 4 boards)

Thanks!

BTW, it's "HotCoffee", not "HotChocolate"

And please, let the board be green. Green is the color of nature, and environment. It's like having a little carbon sink inside your amp. If you close your eyes and concentrate, you can even feel it produce chlorophyll.
And the sound is airier too, more fresh air.
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Old 12th March 2011, 05:24 PM   #309
RKH is offline RKH  United States
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Default Thanks Rudi

...i will be patient. No worries on this end. Your shipping has always been very reliable.
Thanks for all of your efforts!

Ryan

Quote:
Originally Posted by Rudi_Ratlos View Post
Ryan,

I shipped your and all other PCBs last weekend.
Have a little Patience, please.

Best regards - Rudi_Ratlos
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Old 13th March 2011, 01:16 PM   #310
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Default Round 3 for DX Blame - the almighty version

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
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