[sdiy] A potential problem with a voice-assignable organ

[Dave Manley]

thx1138 wrote:
> On 6/5/09 8:30 PM, "Dave Manley" <dlmanley at sonic.net> wrote:
>
>   
>> thx1138 wrote:
>>     
>>> Hi Tom,
>>> When I was working at E-mu many years back we implemented a
>>> Hard-Sync/Soft-Sync on our Analogue VCO Module platform.
>>>
>>> I should look this up and see if this was true and post it up to you guys.
>>>
>>> Regards,
>>>
>>> Terry Shultz
>>>       
>> Hi Terry,
>>
>> It would be great to see any of the E-mu schematics online.  It is one
>> of the only
>> companies for which there is almost nothing online (at least I couldn't
>> find much
>> last time I looked).
>>
>> -Dave
>>     
> Hi Dave,
>
> Yes, I know of the elusive E-Mu schematics . I fortunately have a complete
> archive of every module we ever built and/or shipped including Front Panel
> Layout and calibration details. Unfortunately it is Blue-Print and photo
> copy material. A real pain to convert to scanned docs.
>
> However, I am willing to redraw interesting circuits of the modules folks
> need to peruse if I have the time.
>
> Any idea where I can find SSM devices such as ssm2020, 2010, 2030, 2040,
> etc. ?
>
> Some of the later E-Mu submodules are using the SSM chips we designed.
>
> I do have early schematics of modules that were using discrete VCA /
> Transistor designs. Just more work to build but as I said I have the entire
> archive still in my file cabinet.
>
> Regards,
>
> Terry
>
>   
Hi Terry,

I for one would prefer to see the older discrete designs, given most of 
us won't be able
to get our hands on SSM parts.


-Dave