Modular Synth Panels

Why not make the bands vertical instead of horizontal? That layout  
would make more sense to me.

On Aug 27, 2009, at 7:17 AM, wjhall11 wrote:

> Despite JH's PCB design that allows for "linking" more than one PCB  
> together in tandem, I can't see enough benefit in doing so to  
> warrant a panel specially designed for it. In fact, having two  
> separate resonators have distinct advantages. Dad and I will build  
> two such ones.
>
> Ken Eldhardt, in an Electro-music post, says "About number of bands  
> and overlap. First keep in mind for comparison that the Polyfusion  
> formant filter only has bandpass filters, and covers a more limited  
> range than the Moog. For acoustic instrument formants, the bands  
> work well. If an instrument has two predominant formant peaks, they  
> always seem to fall into two different Moog bands, so Moog picked  
> the frequencies well. Having a 6 band filter bank where the  
> additional 3 are offset a bit for overlap doesn't really get you  
> anything. Running two resonators in parallel to give you 6 bands  
> means you're going to have plenty of overlap. You'll have 2 filters  
> for each range, so there's not much of a need to change frequencies.  
> And there's nothing about the 7.5K range that needs fine tonal  
> control anyway. In addition, I mentioned to JH, that the more bands  
> you use, the more you water down the result. I usually find that I  
> only need one or at most two filters beyond the normal lowpass  
> already in the synth I'd be running through it."
>
> Having two separate resonators, then, actually addresses the purpose  
> of gaining additional bands. In addition, though, separate  
> resonators could be used for stereo processing, for having different  
> mode settings, for running in parallel - in series - for different  
> voices.
>
> So I set out to design a panel for a "single" three-band resonator.  
> This design is preliminary. I guessed at the features based on the  
> photos of JH's prototype, but I think I've taken good guesses.  
> Having a direct-through DRY OUT jack (just hot-wired to the IN jack)  
> would serve for joining two (or more) of the resonators when required.
>
> Bottom line: it fits in 3U.
>
> URL to image: http://www.dragonflyalley.com/images/JHpolymoogResonator/JHPolymoogResV1vIIwidth1-92in.jpg
>
> How does it look? I see areas for possible improvement.
>
> Will (and Bill)
>
>
> 


NOTICE: This electronic mail message and its contents, including any attachments hereto (collectively, "this e-mail"), is hereby designated as "confidential and proprietary." This e-mail\ufffdmay be viewed and used only by the person to whom it has been sent and his/her employer\ufffdsolely for the express purpose for which it has been disclosed and only in\ufffdaccordance with any confidentiality or non-disclosure (or similar) agreement between TEAC Corporation or its affiliates and said employer, and may not be disclosed to any other person or entity. \ufffd
\ufffd

 


\ufffd