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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