MOTM

Argh, the "Tellun pot format"!! Babel, here we come.

(Sorry Scott J, peace Greg, free country, DIY, each his own, whatever,
MOTM and Frac sleeping together, just kidding -- NOT!)

skw



On Jan 17, 2006, at 10:42 AM, Greg Amann wrote:

> Here's the deal: electronic drums (like Roland V-Drums and Yamaha DTX 
> etc.) are primarily performance instruments.  Modular synthesizers, 
> traditionally, are studio instruments.  So in trying to make a trigger 
> pad input module thingie, we really need to define the goal first.  
> For me, since I use my modular as a performance instrument, I am only 
> interested in ways to use my Roland V-Drum pads to make really cool 
> live music.
>
> It occurs to me that the following approaches might be considered:  
>
> 1.- Reverse engineer the trigger pad input circuitry on a Roland TD-20 
> into the modular format.  Paul H has certain reservations aboot some 
> of Roland's stuff, so reverse engineer an Alesis DM5 instead.  Or 
> better yet, just offer a conversion kit: I buy a DM5 off of eBay, buy 
> the Stooge conversion kit and away I go!  Woo hoo!
>
> 2.- Take a completely different approach.   Consider that burying the 
> crosstalk trimmers inside a case makes them set'n'forget: this is 
> completely useless to a performance instrument.  Every stage set-up 
> will require some tweaking.  And given the costs involved in the 
> inevitable module requirements to make this thing fun, it is just as 
> cost effective and more flexible to buy separate stands for each 
> pad (I often use cymbal stands with Gibraltar ball joint tom heads in 
> place of the cymbal arm) to achieve a brute force isolation than to 
> chew up 2U of panel space for each input module with the crosstalk 
> stuff on the front.
>
> Just my thoughts.
>
> I personally would way rather see a 1U with the Tellun small pot 
> format and the crosstalk accessible.
>
> PLL, BFG
>
>
>
>
> On 17-Jan-06, at 10:37 AM, jfm3 wrote:
>
>>  On Tue, 2006-01-17 at 00:32 -0500, john mahoney wrote:
>>  > Late night, I-should-already-be-asleep thoughts on reducing 
>> crosstalk:
>>  >
>>  > Assumptions: For any given drum, there will be 1 or 2 other drums 
>> which
>>  > cause the majority of cross-talk. If this is completely wrong, 
>> never mind!
>>  > But...
>>
>>  This is basically true, and a useful assumption.
>>
>>  > If my assumption is reasonably correct, then each drum processor 
>> need 3
>>  > inputs: One normal input and 2 out-of-phase inputs with pots or 
>> trimpots.
>>  > Each drum processor also needs at least 3 outputs, in order to 
>> feed a normal
>>  > input and some anti-crosstalk inputs.
>>  >
>>  > The anti-crosstalk stuff could all be behind the front panel, I 
>> guess, but
>>  > I'd rather see it up front. Large front panel, I know.
>>  >
>>  > So, would that work?
>>
>>  Yeah, I think it would work. It would probably be sufficient to have
>>  crosstalk connections for each of your two neighbors on the bar 
>> you're
>>  bolting the drums to.
>>
>>  I feel it would be very important to keep the front panel 1U though,
>>  since even a small kit must have several of these in order to be 
>> useful
>>  (as opposed to, for example, a preamp module that you plug your 
>> guitar
>>  into, of which you'd only need one). If you wanted to build a modular
>>  that had enough to reproduce some drum synth, you're looking at a
>>  minimum of four, usually five or six "voices." Each voice would need
>>  one of these piezo->trigger/gate/cv things, an EG, and a filter...
>>  that's already two panels for five voices, and we haven't even
>>  considered noise sources, ring modulators, or stuff for more usual 
>> synth
>>  voices. Besides, the only application of the crosstalk negating
>>  connectors/trims would be for eliminating crosstalk. It seems like
>>  you'd have to get way too creative to come up with a more general use
>>  for them, such that you'd want to easily connect them to other 
>> modules.
>>
>>  --
>>  (jfm3)
>>
>>
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