Leach Amp Group Buy

lgreen · 28th April 2005, 02:48 AM

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.

jleaman · 28th April 2005, 03:01 AM

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

gengis · 29th April 2005, 04:23 AM

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.

jacco vermeulen · 29th April 2005, 12:06 PM

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.

AndrewT · 30th April 2005, 07:01 PM

Hi,
Just added my small order. Total now is 62 pcs.

charlie10 · 1st May 2005, 09:14 AM

Ditto... 64.

PierreG · 1st May 2005, 04:37 PM

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.

AndrewT · 1st May 2005, 08:42 PM

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.

JensRasmussen · 5th May 2005, 07:22 PM

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

AndrewT · 5th May 2005, 09:52 PM

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)?

28th April 2005, 02:48 AM	#1
lgreen diyAudio Member Join Date: May 2003 Location: San Diego, USA	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.

28th April 2005, 03:01 AM	#2
jleaman diyAudio Member Join Date: Apr 2002 Location: Nanaimo	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 __________________ Baby Danika, Born January 20th 1:54am.. http://itsparks.dyndns.orgMix a LittleUntangle&Opendns.org Perfect..

29th April 2005, 12:06 PM	#4
jacco vermeulen diyAudio Member Join Date: Oct 2004 Location: At the sea front, just under Rotterdam	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. __________________ Looks like Sponge Bob has killed another thread.

30th April 2005, 07:01 PM	#5
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Hi, Just added my small order. Total now is 62 pcs. __________________ regards Andrew T.

1st May 2005, 08:42 PM	#8
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	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. __________________ regards Andrew T.


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29th April 2005, 04:23 AM	#3
gengis diyAudio Member Join Date: Feb 2005 Location: Midwest--IA	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.

1st May 2005, 09:14 AM	#6
charlie10 diyAudio Member Join Date: Nov 2004 Location: California.	Ditto... 64.

5th May 2005, 07:22 PM	#9
JensRasmussen diyAudio Member Join Date: Jul 2002 Location: Denmark - Jutland	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

5th May 2005, 09:52 PM	#10
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	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)? __________________ regards Andrew T.

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