Yamaha DTXpress/DTXplorer/DTXtreme

HI Warren,

Here's more info in a thread discussing the topic:

http://vdrums.com/forum/showthread.php?s=&threadid=14119

Chris

--- In DTXpress@yahoogroups.com, "warrenpink" <warren.pinker@x> wrote:
> Hi Chris
>
> I for one would love to try your modification on my mesh head
> RHP120SD.
>
> Any Chance you could post the details?
>
> Cheers
>
> Warren
> (New Zealand)
>
>
>
> --- In DTXpress@yahoogroups.com, "feefer2" <feefer2@y...> wrote:
> > Hi Ed and others,
> >
> > Those MP3's were quick and dirty audio demos I made to show off
> the Virtual Rim Switch (VRS), a little electronic device I made that
> allows a mesh-head drum to function like a piezo/rim-switch two-zone
> pad....
> >
> > We've all asked the question, "why can't I use a dual-piezo pad in
> any other input besides the dual-piezo snare input (or the dual-mono-
> piezo inputs)?"   Or better yet: "why can I only trigger a single
> sound from the tom trigger inputs with my mesh head pads?" 
> >
> > Of course, the answer is all of those other trigger inputs usually
> are designed for use with those piezo/rim-switch pads.  Problem is,
> no one makes a mesh-headed piezo/rim-switch pad.  All the mesh-head
> pads are mono- or dual-piezo, and the module trigger inputs often
> don't use those (more of a processing burden on the trigger input
> circuitry vs. using piezo/rim-switch pads).
> >
> > However, the VRS allow you to use a mesh head pad as two-zone to
> output a signal that's identical to a typical piezo rim-switch pad;
> thus you can convert any mesh pad to work.
> >
> > In that audio demo, ALL the sounds (except for hi-hat stuff, which
> I'm playing with my left foot only, no hi-hat pad attached) you are
> coming from ONE mono-piezo pad that has two VRS installed, thus
> making the pad function as a three zone, four-tone pad.  It's
> triggering two TD-10Ex module inputs....  I'm basically just playing
> a drum corps style funky groove, etc.
> >
> > ####
> >
> > BTW, that same circuit works with ANY module (including the
> DTXTreme IIS), so it would be possible to put three-zones on the
> surface of ANY mesh-headed pad and drive something like the DTXTreme
> IIS with mesh pads, instead of the stock rubber pads...  Heck, get
> those DTXTreme pads from Ed @ Drumbalaya, add a VRS or two, and
> you'll have one heck of a user interface.  ;)
> >
> > (I'd have to measure the resistance value used for the 2nd rim
> zone of the newer 3-zone pads, but that should be a dead cinch; then
> put the equivalent resistance in series with the VRS and you're in
> business...)
> >
> > ####
> >
> > I did it more as a proof of concept, and to work out the design
> bugs, but have no plans to "producticize" it.  Been using the VRS on
> my own kit for awhile now...
> >
> > I have the capability to produce these, but I do it more as a
> labor of love (for those fellow e-drummers into tinkering or those
> who want something unique)...
> >
> > I don't think it has widespread commercial applications, as it's
> probably too technical for most: most drummers (rightfully) don't
> care about the difference between a piezo and a switch, so even
> explaining the concept of the VRS is fighting a major battle... 
> >
> > The user would have to self-install with a screwdriver, and that
> plus knowing how to adjust the module trigger settings makes it a
> bit problematic (except for the more technically-inclined).
> >
> > But hey, I have fun with this kind of stuff.  ;)
> >
> > Chris
> >
> > --- In DTXpress@yahoogroups.com, "emf" <liberatusvirus@y...> wrote:
> > > Hey Chris,
> > >
> > > I just opened up your briefcase and listened to a couple of
> mp3s. Is
> > > that you playing?  Nice sticking.  Go, Chris, Go.
> > >
> > > Ed