Modular Synth Panels

Shame?  No the pride!  It's not that non-standard, just smaller pots.  
It's the MOTM jack grid for the whole panel.  Your 3-jack bracket works 
great.  Like this:

http://pugix.com/synth/cgs-super-psycho-lfo/

Richard

Scott Deyo wrote:
> Sigh... The shame of non-standard spacing. I shed a salty, salty tear  
> for standard spacing, Richard. My grey lil' heart breaks.
> But I want to see pics and hear sounds and watch your modular grow,  
> nonetheless.
>
> Scott Deyo
> contact@...
> The Bridechamber
> www.bridechamber.com
> Jealous Edison Record Kompany
> www.jealousedison.com
>
>
>
>
> On Mar 18, 2010, at 5:51 PM, Richard Brewster wrote:
>
>   
>> I'm planning to build one of these, but with my own 1U panel.  Yes,  
>> 1U.
>> It will have three pots, the mode switch, and three jacks per filter
>> section.  No spread feature, though.  I'm waiting for Ken's PC board  
>> to
>> become available again.
>>
>> Richard Brewster
>> http://pugix.com
>>
>> Scott Deyo wrote:
>>     
>>> Of course, I didn't think of that, so I asked Ken:
>>>
>>> "Pin 3 is not a summing node. You can feed a second signal into it  
>>> via a
>>> second resistor. The two -CV will AVERAGE with each other, not sum.  
>>> In
>>> other
>>> words, stuff will happen, and it will probably be good enough. The - 
>>> CV
>>> won't
>>> be quite as sensitive as on the other unit, though it probably won't
>>> be that
>>> noticable. It will be in keeping with the general "roughness" of the
>>> module
>>> though, and that is part of its charm. "
>>>
>>> You'd think I'd learn to stop doing mods. At least it only effects  
>>> one
>>> of the filters, and it's not a 1V/oct, precise filter anyway.
>>>
>>> Scott Deyo
>>> contact@... <mailto:contact@...>
>>> The Bridechamber
>>> www.bridechamber.com <http://www.bridechamber.com>
>>> Jealous Edison Record Kompany
>>> www.jealousedison.com <http://www.jealousedison.com>
>>>
>>>
>>>
>>>
>>> On Mar 17, 2010, at 8:38 PM, joshdaigleusa wrote:
>>>
>>>       
>>>> I apologize if this is posted twice - I have a difficult time with
>>>> Yahoo groups sometimes and finding recent posts. Posting again
>>>> because it doesn't seem to have made it through.
>>>>
>>>> Ok, I'm building this now and am confused. I think Ken has his
>>>> schematic wrong for the CV section:
>>>>
>>>> http://www.cgs.synth.net/modules/pic/schem_cgs49_twf.gif
>>>> <http://www.cgs.synth.net/modules/pic/schem_cgs49_twf.gif>
>>>>
>>>> This schematic shows the CV "+" inputs summing into the non- 
>>>> inverting
>>>> input, pin 3, and the CV "-" input going into the inverting input,
>>>> pin 2. If you look at the traces on the board this is reversed: The
>>>> single "CV-" input goes to pin 3, the non-inverting input, and the
>>>> summed "+" CV inputs go to the inverting input, pin 2, with the 2K2
>>>> resistor in the negative feedback loop between the output and pin 2.
>>>>
>>>> So, correct me if I'm wrong, please, but I'm going to venture that
>>>> this mod will not work as suggested then, right, because we can't
>>>> throw another input onto the non-inverting input of the TL072, can
>>>> we? If, as suggested, I add a wire, through a 200K resistor, to the
>>>> intersection of the 100K input resistor for the CV- input and the  
>>>> 2K2
>>>> pull-down resistor, ultimately feed into into the non-inverting  
>>>> input
>>>> summed along with the "CV-" input, this won't work, will it? Am I
>>>> off? The way I've understood op-amps is to sum/mix multiple inputs
>>>> into an op-amp this has to happen via input resistors which sum into
>>>> the inverting input, with the non-inverting input tied to ground.
>>>>
>>>> So, does this mean we either have to sacrifice the CV Invert switch
>>>> or not have the spread functionality?
>>>>
>>>>         
>>
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