Yamaha DTXpress/DTXplorer/DTXtreme

I have a Yamaha DTX 2.0 (not DTXpress II), it has: 8 stereo + 2 dual 
trigger inputs. All the pads are hooked up to the 8 stereo inputs 
producing 2 sounds each (or 16 sounds). My kick drum is hooked up to 
one of the dual trigger inputs and the other dual trigger is free.

My questions are: If I hooked up a typical DIY dual-trigger drum 
(piezo on the head, piezo on the rim) to one of the stereo trigger 
inputs, that would not work, would it?

Out at http://drumbalaya.com/drum-module-comparison.asp it says DTX 
2.0 Dual-trigger devices use up two inputs (e.g. no dual-trigger 
snare input) What does that mean?

How do people typically do this then, hook-up the DIY snare to a Dual 
trigger? 

Any recommendations on a good drum modules for DIY eDrums ?

Thanks.

--- In DTXpress@yahoogroups.com, "Jerry" <jeraldlhenderson@y...> 
wrote:
> 
> 
> I have a Yamaha DTX 2.0 (not DTXpress II), it has: 8 stereo + 2 
dual 
> trigger inputs. All the pads are hooked up to the 8 stereo inputs 
> producing 2 sounds each (or 16 sounds). My kick drum is hooked up 
to 
> one of the dual trigger inputs and the other dual trigger is free.
> 
> My questions are: If I hooked up a typical DIY dual-trigger drum 
> (piezo on the head, piezo on the rim) to one of the stereo trigger 
> inputs, that would not work, would it?

You'd only get sound from one of the piezos. A stereo input expects a 
single piezo and an FSR on the rim that switches the piezo's sounds 
Two piezos throw it for a loop.
 
> Out at http://drumbalaya.com/drum-module-comparison.asp it says DTX 
> 2.0 Dual-trigger devices use up two inputs (e.g. no dual-trigger 
> snare input) What does that mean?

In order to use a dual-zone pad on the DTX2.0, you have to access 
input 9/10 or 11/12 (via a stereo cable if the piezos are wired 
tip/ring or via a splitter if the piezos are output separately) or to 
access two stereo inputs or one stereo and one-half of a dual-trigger 
input with two mono cables or a splitter, depending on the wiring. 
The use of stereo inputs for this purpose wastes the stereo inputs' 
rim function.
 
> How do people typically do this then, hook-up the DIY snare to a 
Dual 
> trigger? 

See above. A dual-trigger snare frequently connects to input 2 and 
one-half of 9/10 or 11/12 to keep the snare intact for the user kits.

Ed

I think I'm starting to get it... Drum trigger pads with an FSR (force sensitive resistor) rim sensor are referred to as dual-zone or stereo pads. "Dual-trigger" pads have a piezo rim trigger instead. For example, a Pintech dual-zone mesh drum should be able to handle my DTX 2.0 stereo trigger inputs, right? 
 
So with my dual-trigger inputs, I should be able to split out the signals from two piezos by either wiring the to a stereo plug properly OR by using a typical Y-splitter on the stereo cable, Correct?
 
It seems like most of the Drum modules on the market have an abudance of stereo trigger inputs and a couple of dual-trigger inputs, why is it that Roland sells primarely dual-trigger mesh drums?  At least that's what I've seen so far.
 
Is it possible to buy or make a FSR (force sensitive resistor) ?
 

emf <liberatusvirus@...> wrote:

--- In DTXpress@yahoogroups.com, "Jerry" <jeraldlhenderson@y...> 
wrote:
> 
> 
> I have a Yamaha DTX 2.0 (not DTXpress II), it has: 8 stereo + 2 
dual 
> trigger inputs. All the pads are hooked up to the 8 stereo inputs 
> producing 2 sounds each (or 16 sounds). My kick drum is hooked up 
to 
> one of the dual trigger inputs and the other dual trigger is free.
> 
> My questions are: If I hooked up a typical DIY dual-trigger drum 
> (piezo on the head, piezo on the rim) to one of the stereo trigger 
> inputs, that would not work, would it?

You'd only get sound from one of the piezos. A stereo input expects a 
single piezo and an FSR on the rim that switches the piezo's sounds 
Two piezos throw it for a loop.

> Out at http://drumbalaya.com/drum-module-comparison.asp it says DTX 
> 2.0 Dual-trigger devices use up two inputs (e.g. no dual-trigger 
> snare input) What does that mean?

In order to use a dual-zone pad on the DTX2.0, you have to access 
input 9/10 or 11/12 (via a stereo cable if the piezos are wired 
tip/ring or via a splitter if the piezos are output separately) or to 
access two stereo inputs or one stereo and one-half of a dual-trigger 
input with two mono cables or a splitter, depending on the wiring. 
The use of stereo inputs for this purpose wastes the stereo inputs' 
rim function.

> How do people typically do this then, hook-up the DIY snare to a 
Dual 
> trigger? 

See above. A dual-trigger snare frequently connects to input 2 and 
one-half of 9/10 or 11/12 to keep the snare intact for the user kits.

Ed





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Shawnee, KS
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--- In DTXpress@yahoogroups.com, Jerald Henderson 
<jeraldlhenderson@y...> wrote:
> I think I'm starting to get it... Drum trigger pads with an FSR 
(force sensitive resistor) rim sensor are referred to as dual-zone or 
stereo pads. "Dual-trigger" pads have a piezo rim trigger instead. 
For example, a Pintech dual-zone mesh drum should be able to handle 
my DTX 2.0 stereo trigger inputs, right? 

Stores and manufacturers have not always honored the correct 
nomenclature. The rubber pads with the FSR rims/edges are stereo 
pads, though sometimes you'll see them referred to as dual-zone pads, 
which technically are the ones that you've termed "dual-trigger." If 
the ad doesn't contain other clues, somebody can make a bad purchase. 

The Pintech rubber pads correspond to the Yamaha rubber pads; they 
answer to "stereo."  The Pintech meshes are dual-zone; as such they 
belong not in one of your stereo inputs but in one of the dual-zone 
(trigger) inputs. 
  
> So with my dual-trigger inputs, I should be able to split out the 
signals from two piezos by either wiring them to a stereo plug 
properly OR by using a typical Y-splitter on the stereo cable, 
Correct?

Correct. But make sure that the TRS splitter is stereo to two monos. 
A stereo to two stereos will duplicate the same sound in both ends of 
a dual-trigger input.
  
> It seems like most of the Drum modules on the market have an 
abudance of stereo trigger inputs and a couple of dual-trigger 
inputs, why is it that Roland sells primarely dual-trigger mesh 
drums?  At least that's what I've seen so far.

At Roland's higher end, the opportunities for mesh pads are much 
increased, and mesh is considered the more upscale medium. 

You can buy an FSR, but making a stereo pad might be a little tricky 
(to say the least). It's much easier to make a dual-zone pad, though 
controlling for crosstalk effectively is an issue. The web has plenty 
of DIY sites to help if you want to go that route.

Ed