[sdiy] MS-20 tempco (was Model D service)

[Tony K]

Hello, those so-called special Rx's are 0.1% or precision resistors , the ones with the circle around the resistor symbol. 

When we recorded I always had to tweak the Master Tune as time went on. I never bothered adding one either. In mono synths it's not critical , the exponential pair handles the biggest part of the temp drift - forget the equation offhand. 

 Just referring to my notes , it's been a while.

TK

> On May 8, 2017, at 7:48 PM, Declare Update <declareupdate at gmail.com> wrote:
> 
> wait a second... no tempcos in the MS-20? what's with all the special resistor symbols in the schematic? and how does that super common and known-to-be-temp-dependent expo converter not need compensation? 
> 
> Chris 
> 
>> On May 7, 2017, at 4:14 PM, Michael E Caloroso <mec.forumreader at gmail.com> wrote:
>> 
>> That's the one...
>> 
>> MC
>> 
>>> Anyway, I think Michael E C was referring to this posting of his:
>>> http://search.retrosynth.com/ah/search/lookit.cgi?-v9901.2166
>> 
>> 
>>>> On 5/7/17, Michael Zacherl <sdiy-mz01 at blauwurf.info> wrote:
>>>> 
>>>>> On 7.May 2017, at 19:48 , Michael Zacherl <sdiy-mz01 at blauwurf.info> wrote:
>>>>> 
>>>>> On 7.May 2017, at 19:04 , Quincas Moreira <quincas at gmail.com> wrote:
>>>>> 
>>>>> Michael, thanks for saving me frustration, I will refer to your
>>>>> instructions.
>>>> 
>>>> uhm .. I didn’t do anything -
>>> 
>>> 
>>> whoops  *blushes* … the other Michael.
>>> 
>>> Anyway, I think Michael E C was referring to this posting of his:
>>> http://search.retrosynth.com/ah/search/lookit.cgi?-v9901.2166
>>> 
>>> sorry, Michael E C, Michael.
>>> 
>>> 
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