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Old 19th February 2009, 10:30 PM   #1
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Default Diamante -a discrete medium power opamp

I'm trying to gauge the interest in a group buy of the Diamante board as seen here:
Original Diamante thread

Click the image to open in full size.

The board is designed by Russ White from Twisted Pear Audio and I have his permission to organize a group buy.

I estimate that we need around 50 boards to make a group buy possible. They will cost about €8 Euro each. One board per channel is needed, so two for stereo and four for balanced.
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Old 19th February 2009, 11:13 PM   #2
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I'm interested, but not at those prices - 4 boards would cost $62 AUD (before shipping, too, I'd imagine). While I understand that pricing tends to be poor on these small GB's, that's still pretty steep.
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Old 20th February 2009, 05:11 AM   #3
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Quote:
Originally posted by TheSeekerr
I'm interested, but not at those prices - 4 boards would cost $62 AUD (before shipping, too, I'd imagine). While I understand that pricing tends to be poor on these small GB's, that's still pretty steep.
I am aware that the price is kind of steep. I'm currently asking around for a better price at other PCB services. Lets say that the maximum price per board wont exceed €8 Euro at least. I think I will get a lot more board from china based PCB services, but I might not be able to move all of them.
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Old 20th February 2009, 05:32 AM   #4
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OK. I'm interested, and hope this gets off the ground enough for the prices to come down.
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Old 20th February 2009, 01:58 PM   #5
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Well, I got a price quote from GoldPhoenix and they are a little bit cheaper. But since they will most likely get stuck in customs, they will end up being more expensive in the end. To get really cheap boards I would have to order a lot of boards and I don't think there is a market for that.
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Old 20th February 2009, 02:08 PM   #6
Ryssen is offline Ryssen  Sweden
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Location: Sweden--> Here
Just a tips.
http://www.cogra.se/
I used them in symasym GB.
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Regards Åke
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Old 20th February 2009, 05:13 PM   #7
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This thread on Head-Fi mentions a few PCB service companies including one that is based in the Netherlands that produces boards in China (last post) - http://www.head-fi.org/forums/f6/sur...ervice-381441/
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Old 20th February 2009, 05:46 PM   #8
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I have been checking around and it seems that making a small run of these boards will be hard to do for a much lower price. The JISBOS group buy, for example, was $5 USD per board and that is 1/4th the size of the Diamante. Compared to that €8 Euros doesn't seem so bad I think.

I seriously doubt that producing the pcbs locally here in Sweden using Cogra would be cheaper than Bulgaria (Olimex) or in China (Goldphoenix).

BatchPCB uses Goldphoenix as their fabhouse by the way.
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Old 20th February 2009, 06:22 PM   #9
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Hmm, makepcb could be worth a shot I think depending how many boards that will make up the group buy.
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Old 20th February 2009, 06:35 PM   #10
ttr is offline ttr  Finland
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2 boards for me.
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