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Bruno Putzeys Balanced Preamp - Group Buy Part 3
Bruno Putzeys Balanced Preamp - Group Buy Part 3
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Old 2nd April 2018, 03:28 AM   #391
Ugly is offline Ugly  United States
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Join Date: Jul 2009
Are there any of the bare BPBP boards still available for purchase?
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Old 2nd April 2018, 08:57 AM   #392
Gerben is offline Gerben  Netherlands
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Join Date: May 2004
Location: Deventer
Quote:
Originally Posted by Ugly View Post
Are there any of the bare BPBP boards still available for purchase?
Hi, i have one left of the original run. Please PM me if interested.

Gerben
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Old 10th July 2018, 06:36 PM   #393
force of 1/2 is offline force of 1/2  United States
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Join Date: Oct 2007
Default two boards for sale

Okay, I hope this is okay to post this here. If not please remove it (and PM me) and I will list this is the classifieds.


I have two boards for sale. I ordered them from OSHpark based on the original Gerber files posted on Linear Audio. With OSHpark minimum order is 3, so I have two up for grabs if anyone is interested.

Things to know about these particular boards:

1. They are complete, the silkscreen and drilling is correct, and built up perfectly. They sound very nice.

2. They are purple. That is the color that vendor does. It is a trade mark they seem proud of.

3. The boards are not thick, like the usual audiophile DIY offering. This caused absolutely no problems in building it up, and if anything it will make changing the through-hole components easier.

4. They do have 2 oz. copper traces.

5. Since these were based on the original Gerbers, the larger SILMIC electrolytics from the most recent BOM will not fit. Pay close attention to pitch and width when ordering parts. I ended up using Panasonic FR for the 1000uf power supply caps, which have a 5mm lead pitch and 10mm width; and Nichicon FG for the 22uf which are 5mm wide with a 2.5 mm lead pitch.
This combo sounds very nice.

6. all other parts fit perfectly.

The small run means that they are a bit more expensive than the GB boards. If anyone is interested, I would like to get $17 each (1/3 of the total price) and I will even ship free in the US.

PM me if you are interested.
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Old 17th August 2018, 07:16 PM   #394
force of 1/2 is offline force of 1/2  United States
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Join Date: Oct 2007
Default PCBs for BPBP

All my boards are gone now. But keep an eye out for a new round of the group buy. This is well worth the effort. I have been really enjoying this little preamp!
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Old 25th August 2018, 08:58 AM   #395
alexjaw is offline alexjaw  Sweden
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Join Date: Jun 2018
I hope that there will be another GB soon for this preamp. Anyone that eventually has one PCB for sale?
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