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 Forum index » DIY Hardware and Software
Moog 901a / 901b DIY
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noddyspuncture



Joined: Dec 12, 2011
Posts: 2
Location: UK

PostPosted: Tue Dec 13, 2011 8:00 am    Post subject: Re: Moog 901a / 901b DIY Reply with quote  Mark this post and the followings unread

Thanks Tim, already did that. It was he who suggested I post here...!
I think I have found a work around... looking at the actual Modular pcb layout I think I can suss it.

Cheerz anyway.
Tom


Tim Servo wrote:
Hey Tom,

Have you tried sending a PM to Mike Peake? I believe he's still running around on E-M here.


Tim (punctured my noddy once, hurt like heck) Servo
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3nity



Joined: Oct 10, 2008
Posts: 13
Location: west

PostPosted: Sun Dec 18, 2011 11:07 am    Post subject: Re: Moog 901a / 901b DIY
Subject description: Incomplete! Untested! Now slightly deodorized!
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noddyspuncture wrote:
...But for the life of me I cannot find the 901a parts layout diagram anywhere. I do know it is out there somewhere as I definitely had it before...!

Would anyone here be able to please send it me if they have it?

Many thanks.
Tom


I'm in the same boat. Where's the 901a component placement file?
Anyone can help.
I'm embarking myself in building these modules.

Any help really appreciated!

Thanks
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ericcoleridge



Joined: Jan 16, 2007
Posts: 885
Location: NYC

PostPosted: Sat Dec 24, 2011 12:37 am    Post subject: Reply with quote  Mark this post and the followings unread

I remember seeing a Moog Modular Service Manual that included schematics and PCBs with parts overlays. I tried to find it again recently and I couldn't. But I'm sure it must be somewhere on the web still. If you just search for every moog 900 service manual scan and look through them I think you'd find it.
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living sounds



Joined: Mar 27, 2009
Posts: 9
Location: Germany

PostPosted: Sat Feb 04, 2012 1:25 pm    Post subject: Reply with quote  Mark this post and the followings unread

Wow, the example is pretty much the best sound I've ever heard in terms of synth bass!

Could someone please point me to the schematics/component layout for the discrete mixer?

And yes, the component placement for the VCOs would be great.
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dingebre



Joined: Aug 10, 2008
Posts: 257
Location: Salt Lake City, UT USA

PostPosted: Tue Mar 19, 2013 11:24 am    Post subject: Re: Moog 901a / 901b DIY
Subject description: Incomplete! Untested! Now slightly deodorized!
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Peake wrote:
deleted...

The CL-1 diode is unobtanium, but is rated as a rectifier at 100v V(rrm).


Moog and Moog Music is a registered trademark of Moog Music Inc.


Very odd, but SearsPartsDirect has the CL-1 Diode available here:

http://www.searspartsdirect.com/partsdirect/part-number/871999127/0057/528

Part number 871999127

In stock. $4.80 a pop, but seems to be the real deal. I just ordered a few and will report back when they come.

_________________
David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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dingebre



Joined: Aug 10, 2008
Posts: 257
Location: Salt Lake City, UT USA

PostPosted: Sat Mar 30, 2013 12:02 am    Post subject: Re: Moog 901a / 901b DIY
Subject description: Incomplete! Untested! Now slightly deodorized!
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dingebre wrote:
Peake wrote:
deleted...

The CL-1 diode is unobtanium, but is rated as a rectifier at 100v V(rrm).


Moog and Moog Music is a registered trademark of Moog Music Inc.


Very odd, but SearsPartsDirect has the CL-1 Diode available here:

http://www.searspartsdirect.com/partsdirect/part-number/871999127/0057/528

Part number 871999127

In stock. $4.80 a pop, but seems to be the real deal. I just ordered a few and will report back when they come.


Quick update for anyone who cares, Sears has emailed me the parts are "back ordered" and expect to ship April 29.

Kinda figured... Oh well, worth a try.

Should they miraculously appear, I'll be sure to update.

_________________
David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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dingebre



Joined: Aug 10, 2008
Posts: 257
Location: Salt Lake City, UT USA

PostPosted: Mon Apr 15, 2013 10:58 am    Post subject: Reply with quote  Mark this post and the followings unread

I just got a note from the Sears order department, my order of the 871999127 - Diode CL-1 has SHIPPED!

Wow. I wonder if they have any other bizarre parts...

I'll post some photos when they arrive.

David

_________________
David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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dingebre



Joined: Aug 10, 2008
Posts: 257
Location: Salt Lake City, UT USA

PostPosted: Fri Apr 19, 2013 6:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

dingebre wrote:
I just got a note from the Sears order department, my order of the 871999127 - Diode CL-1 has SHIPPED!

Wow. I wonder if they have any other bizarre parts...

I'll post some photos when they arrive.

David


CRAP!

They came, but they are a surface mount LED...

Worth a try I guess. Not returnable or refundable. Anyone need some very, very small SMD LEDs? Smile

_________________
David M. Ingebretsen, M.S., M.E.
Collision Forensics & Enginering, Inc.

dingebre@3dphysics.net
http://www.xmission.com/~dingebre/Synthasystem.html
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Peake



Joined: Jun 29, 2007
Posts: 1106
Location: Loss Angeles
Audio files: 3

PostPosted: Sun Sep 15, 2013 3:16 am    Post subject: Reply with quote  Mark this post and the followings unread

Little kick for interest and experimenters. Note: Still unconfirmed. Use the Moog Modular Service Manual for reference and to answer any parts values/layout questions. This version is slightly different than the version in the Service Manual.
_________________
We are selling emotions, there are no emotions in a grid. -mwagener

"IC 741. Sometimes you don't want fidelity." -Small Bear Electronics Catalog
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