Diamante -a discrete medium power opamp

MrMajestic · 19th February 2009, 10:30 PM

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

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.

TheSeekerr · 19th February 2009, 11:13 PM

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.

MrMajestic · 20th February 2009, 05:11 AM

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.

TheSeekerr · 20th February 2009, 05:32 AM

OK. I'm interested, and hope this gets off the ground enough for the prices to come down.

MrMajestic · 20th February 2009, 01:58 PM

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.

Ryssen · 20th February 2009, 02:08 PM

Just a tips.

http://www.cogra.se/
I used them in symasym GB.

BradJudy · 20th February 2009, 05:13 PM

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/

MrMajestic · 20th February 2009, 05:46 PM

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.

MrMajestic · 20th February 2009, 06:22 PM

Hmm, makepcb could be worth a shot I think depending how many boards that will make up the group buy.

ttr · 20th February 2009, 06:35 PM

2 boards for me.

19th February 2009, 10:30 PM	#1
MrMajestic diyAudio Member Join Date: May 2007	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 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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19th February 2009, 11:13 PM	#2
TheSeekerr diyAudio Member Join Date: Jan 2008	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.

20th February 2009, 05:32 AM	#4
TheSeekerr diyAudio Member Join Date: Jan 2008	OK. I'm interested, and hope this gets off the ground enough for the prices to come down.

20th February 2009, 01:58 PM	#5
MrMajestic diyAudio Member Join Date: May 2007	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.

20th February 2009, 02:08 PM	#6
Ryssen diyAudio Member Join Date: Dec 2003 Location: Sweden--> Here	Just a tips. http://www.cogra.se/ I used them in symasym GB.

20th February 2009, 05:13 PM	#7
BradJudy diyAudio Member Join Date: Sep 2003 Location: Georgia	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/

20th February 2009, 05:46 PM	#8
MrMajestic diyAudio Member Join Date: May 2007	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.

20th February 2009, 06:22 PM	#9
MrMajestic diyAudio Member Join Date: May 2007	Hmm, makepcb could be worth a shot I think depending how many boards that will make up the group buy.

20th February 2009, 06:35 PM	#10
ttr diyAudio Member Join Date: Nov 2005	2 boards for me.

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