[sdiy] Moog 1125 sample and Hold

[Keith Winstanley]

Hi Carsten, I think I may have spoken with you a few years ago? I have built a faithful 904A and was toying with the idea of cloning very early 901 oscillators in euro format, still like the idea maybe a whole 3C in euro :) I have the adapted layouts for the 904A and the oscillators but its a big project and I'm up to my eyes in projects already. If anything I would like to build an authentic high pass and coupler to go with my 904A but again big projects I don't really need :)
My big success has been my minimoog.
On your 914 are those inductors or variable caps? I have a JH FFB I would like to build with inductors.

Cheers

Keith


On 21 Nov 2012, at 07:36, Analogmonster <carsten at analog-monster.de> wrote:

> 
> Ah, ok, a brother in cloning :-)
> 
> That's something different of course. I am currently cloning the Moog System 55 and although I developed the Sample and Hold module mentioned below the Moog version is also on my wish list, someday.
> 
> Regards
> 
> Carsten
> http://www.analog-monster.de/index_en.html
> 
> -----Ursprüngliche Nachricht----- From: Keith Winstanley
> Sent: Tuesday, November 20, 2012 9:58 AM
> To: Analogmonster
> Cc: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Moog 1125 sample and Hold
> 
> Hi Carsten, many thanks for your comments.
> 
> I have most of the components in stock and I have a source for the SG3821 so parts are no problem. I do have a few sample and hold modules with varying functionality but I wanted to clone the 1125 faithfully to plug directly in to my cloned minimoog
> 
> Cheers
> 
> Keith
> 
> On 20 Nov 2012, at 07:50, Analogmonster <carsten at analog-monster.de> wrote:
> 
>> First question: Do you have the parts?
>> 
>> I've seen some very obsolete components in the schematics. If you don't have or can't get them, you have to replace them by actual components or components which can be obtained more easily. Then you have to redraw the layout anyway.
>> 
>> If it's just to get a sample and hold module, there are much easier to build circuits in the web, like http://www.analog-monster.de/suh_en.html or many others.
>> 
>> Carsten
>> 
>> -----Ursprüngliche Nachricht----- From: Keith Winstanley
>> Sent: Monday, November 19, 2012 12:19 PM
>> To: synth-diy at dropmix.xs4all.nl
>> Subject: [sdiy] Moog 1125 sample and Hold
>> 
>> Has anyone got any hi res images of both sides of the PCB for this mini accessory
>> or is anyone prepared to take one apart to do this?
>> Never seen one for sale at a sensible price and I don't think it would be to hard to put one together.
>> 
>> Cheers
>> 
>> Keith
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