Joachim Gerhard Filter Buffer for ES9022 - Page 24 - diyAudio
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Old 8th October 2012, 11:27 AM   #231
Jogi is offline Jogi  Germany
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Join Date: Jan 2008
Apology accepted

I followed the link above, which leads to page 10 of this thread. The actual information about this GB is at page 47, before the discussion is about the QA550, the dac itself and many other things. Now, after reading those 37 pages again, I figured out that only the transistors are included, and the PCB of course.
Concrete suggestion: putting the link to page 47 would be very time saving.
Or, as I wrote above, at page 1 a description like
What you will get:

1. PCB
2.matched fets, soldered
3.etc

Very clear, no questions remain about that.
I remember being interested in this buffer weeks ago already, but giving up after 10 mins because I just could not get what it is about. Maybe this happened to others as well and they stayed away, who knows.

I do not want to appear as a nitpicker, but it was my frustrating experience of spending hours to find out, what it is about. I really appreciate your effort and the effort of all the people involved. I am very happy that a forum like this exists, with all those members creating wonderful circuits and stuff I could never afford as a commercial offer.
So, thanks for that!

And now I even want two PCB, because a friend also wants one.

All the best,

Juergen
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Old 8th October 2012, 01:34 PM   #232
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
> Concrete suggestion: putting the link to page 47 would be very time saving.

Jürgen,

If you set your screen to display 50 post a page, you should end up at the same place as I intend you to.
At least when I click on the link, it gets me to the right post.
It is a forum configuration problem that I cannot fix.
The link I posted was actually linked to the post and NOT the page.

If you want to subscribe, please send a PM to Gogowatch, and he'll sort you out.


Schönen Gruss,
Patrick
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Old 8th October 2012, 02:08 PM   #233
Jogi is offline Jogi  Germany
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Join Date: Jan 2008
Ah, here we go...now it makes sense! I couldn't imagine why those links pointed into nirvana.
I didn't even know about this option, thanks for clearing that issue. Pm sent to Gogowatch, hope there is still something left.
I am really curious about this little bugger.

cheers, and thanks again,

Juergen
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Old 11th October 2012, 07:18 AM   #234
Phisci is offline Phisci  South Africa
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Join Date: Aug 2012
IS this group buy still running?
These boards are single ended correct?
If so, I'd like to order 8 boards please. Shipping to South Africa?
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Old 11th October 2012, 08:34 AM   #235
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Join Date: Aug 2006
Location: Hong Kong
Sorry Phisci, GB for PCB with FETs soldered just reached x100pcs which is the limit of the first batch. I put you in the waiting list if you don't mind.

https://docs.google.com/spreadsheet/...3dC05LXc#gid=0

For the inductors and passives GB, please follow this thread.

Waiting List :
Phisci x8 South Africa

WK
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Old 11th October 2012, 09:55 AM   #236
Phisci is offline Phisci  South Africa
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Is there a reason that the surface mount is preferred, could I just build one using "normal" parts?
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Old 11th October 2012, 01:39 PM   #237
EUVL is offline EUVL  Europe
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If you can find a TO92 version of the BF862, as specified by Joachim, please let us know.

On top of that, Joachim is now convinced that the compact SMD layout of the buffer is responsible for its excellent performance.
He now prefers this to his previous reference BJT buffer.
Of course we at XEN have had experience with SMD for a long time, so we did not need any convincing.




Patrick
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Old 12th October 2012, 12:18 PM   #238
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Place me on the list for 8 boards please

Last edited by Dr.H; 12th October 2012 at 12:45 PM.
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Old 12th October 2012, 04:20 PM   #239
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
Please help us to help you.
I am sure you (in general and no specific person in particular) can also modify the list :

Waiting List :
Phisci x8 South Africa
Dr.H x8 ????


Patrick
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Old 18th October 2012, 01:49 PM   #240
hirez69 is offline hirez69  Europe
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Join Date: Feb 2008
Waiting List :
Phisci x8 South Africa
Dr.H x8 ????
hirez68 x4
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