[sdiy] Quad VCA design

[Terry Shultz]

Hi Dave,

Thanks four your feedback and to all the other guys as well.

On a different note, I spoke to Tom Oberheim last week, and he indicated that he was using the lm13600 based devices otherwise his new SEM was pretty close to his original design.

Best regards,

Terry

Sent from my iPad

On May 15, 2013, at 8:30 AM, "Dave Magnuson" <kingravine at comcast.net> wrote:

> Hi Terry,
> 
> You can get the v2164 at Small Bear for about $3-$4 each
> 
> Dave
> 
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>> bounces at dropmix.xs4all.nl] On Behalf Of Terry Shultz
>> Sent: Wednesday, May 15, 2013 11:11 AM
>> To: cheater00 .
>> Cc: synth-diy at dropmix.xs4all.nl List
>> Subject: Re: [sdiy] Quad VCA design
>> 
>> Hi Damian,
>> 
>> Any cost idea on small volume usage?
>> 
>> Regards,
>> 
>> Terry
>> 
>> Sent from my iPad
>> 
>> On May 15, 2013, at 7:15 AM, "cheater00 ." <cheater00 at gmail.com> wrote:
>> 
>>> Hi Terry,
>>> people here really like the CoolAudio chips. The V2164 has met with
>>> great reception on the list and is a very good equivalent to the SSM
>>> 2164.
>>> 
>>> Cheers,
>>> Damian
>>> 
>>> On Wed, May 15, 2013 at 2:39 PM, Nathanael King
>>> <nate at paperproductsmusic.com> wrote:
>>>> Not only does THAT have the 2180 line, but they also have an ssm2164
>>>> available in 2 vcas (2162) in a surface mount package.
>>>> http://www.thatcorp.com/2162_Dual_Pre-
>> Trimmed_Blackmer_IC_Voltage-Con
>>>> trolled_Amplifier.shtml
>>>> 
>>>> Nate
>>>> 
>>>> On Wed, May 15, 2013 at 8:33 AM, Terry Shultz <thx1138 at earthlink.net>
>> wrote:
>>>>> 
>>>>> Hi All,
>>>>> 
>>>>> I have finally used the last of my SSM2020 devices on my boards and
>>>>> it is time to re-design the Quad VCA and Universal Active filter
> modules.
>>>>> 
>>>>> I was looking at the LM13600/LM13700 and THAT Corp. VCA devices.
>>>>> 
>>>>> Any thoughts on those devices vs. other methods of building a Solid
>>>>> VCA design?
>>>>> 
>>>>> I have not had to re-build these modules for over 25 years, so I get
>>>>> to explore a whole new analog approach again.
>>>>> 
>>>>> 
>>>>> I will not use the Grey Market SSM's if I can help it, but Rochester
>>>>> Electronics seem to have SSMSSM 2014/ SSM2018, SSM2122 devices.
>>>>> 
>>>>> Any thoughts?
>>>>> 
>>>>> 
>>>>> Terry Shultz
>>>>> thx1138 at earthlink.net
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> Synth-diy mailing list
>>>>> Synth-diy at dropmix.xs4all.nl
>>>>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Nate King
>>>> Paper Products Music
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>