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Old 28th April 2005, 01:48 AM   #1
lgreen is offline lgreen  United States
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Default Leach Amp Group Buy

FYI, if you are interested, there is currently a Leach amp group buy for pcbs and parts.

wiki
http://www.diyaudio.com/wiki/index....p+PCB+Group+Buy

Then click the "edit" or use this link:
http://www.diyaudio.com/wiki/index....p+PCB+Group+Buy

orig thread:
Smaller Leach Amp V1

Just in case people might have missed this on the Solid State Forum.
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Old 28th April 2005, 02:01 AM   #2
jleaman is offline jleaman  Belgium
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How many would be interested in a parts group buy ? ipriced out one transister for the out put stage today 9$ cdn each : O ) The more we buy the cheaper they get
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Old 29th April 2005, 03:23 AM   #3
gengis is offline gengis  United States
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Mr. JLeaman,
I read the thread and check Jens' web site. I am somewhat unsure. Which output devices are used in this amp (power output too)? Also the heatsink requirement for convection cooling?

Second, do you have an idea what the parts will cost?
I might be in for 2 or more if we also have a GP for parts.
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Old 29th April 2005, 11:06 AM   #4
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The link to the LeachParts group buy Wiki doesnt seem to work.

I am not interested in output devices, but i am in some of the other parts.
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Old 30th April 2005, 06:01 PM   #5
AndrewT is offline AndrewT  Scotland
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Hi,
Just added my small order. Total now is 62 pcs.
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Old 1st May 2005, 08:14 AM   #6
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Ditto... 64.
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Old 1st May 2005, 03:37 PM   #7
PierreG is offline PierreG  Canada
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Quote:
Originally posted by jacco vermeulen
The link to the LeachParts group buy Wiki doesnt seem to work.

Try this:

http://www.diyaudio.com/wiki/index.p...+PCB+Group+Buy

If it doesn'yt work go in the wiki page and select:
Everything Else (mostly Group buys)

on the next page you will find it.
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Old 1st May 2005, 07:42 PM   #8
AndrewT is offline AndrewT  Scotland
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Hi all,
Jens has added a 100 pcs column.
Would all prospective purchasers please update their line to show your order, if the price hits the 100pcs discount.
It now appears we are heading beyond 80 boards.
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Old 5th May 2005, 06:22 PM   #9
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Data for the 6 transistor version can be found here:

http://www.delta-audio.com/temp_jens...er%206.0.6.zip

Please comment and accept these data before I start collecting the payments

Thanks

\Jens
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Old 5th May 2005, 08:52 PM   #10
AndrewT is offline AndrewT  Scotland
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Hi Jens,
2 suggestions
1. add a third input to bypass the DC blocking caps (for a sub).
2. Is there room to squeeze in the traces to provide the dc setting as done in KSA50 (4 resistors, 2 diodes & 1multiturn pot)?

I am having trouble reading the PCB pdfs. The black background obliterates the traces except at 300% and above. Can you do a colour for the background (backplane)?
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