[sdiy] Moog 904B High pass filter blue prints scans needed..

[Jean-Pierre Desrochers]

Hi Tim,

If you read carefully  at the right bottom of the schematic
You will see rev date 6/23/70.  I already know that schematic
And it has been modified from the very first 1966 version here..
http://davealex.com/wp-content/flagallery/moog-blueprint-schematics/tn_moogs
chematics-904b_hpf-8749.jpg

That's 1966 version is the one I need but a readable one..

Thanks anyway..
JP

-----Message d'origine-----
De : Tim Ressel [mailto:timr at circuitabbey.com] 
Envoyé : 28 avril 2014 18:15
À : Jean-Pierre Desrochers; synth-diy at dropmix.xs4all.nl
Objet : Re: [sdiy] Moog 904B High pass filter blue prints scans needed..

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/moog904
b.jpg



Tim Ressel
Circuit Abbey
503-750-9331
timr at circuitabbey.com




________________________________
From: Jean-Pierre Desrochers <jpdesroc at oricom.ca>
To: synth-diy at dropmix.xs4all.nl 
Sent: Monday, April 28, 2014 9:43 AM
Subject: [sdiy]  Moog 904B High pass filter blue prints scans needed..


In fact what I need is a readable schematic version earlier than
the dated 6/23/70 'modified' drawing.
For example Davealex.com 904B blue print is dated december 1966.

I'm still browsing around..
JP


-----------------------------------------------------------------

Does anybody have a better scanned (or redrawn version)
of this original Moog 904B HPF blue print:
http://davealex.com/wp-content/flagallery/moog-blueprint-schematics/tn_moogs
chematics-904b_hpf-8749.jpg

Beware !!
The following schemos:
http://www.freeinfosociety.com/electronics/schemview.php?id=944
or page 41 of this System 55 service manual:
http://www.davidhylander.com/images/schematics/moog/MoogModularServiceManual
.pdf

are not working according to Carsten Toensmann of www.analog-monster.de
Just have a look at its very detailed clone project notes here:
http://www.analog-monster.de/mmt904b_en.html
He talks about the nightmare he had trying
some bad drawing versions of the schematic.
That's why I'm looking for the 'untouched' blue print version..
Just let me know if you have one available.

Cheers,
JP



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