Yamaha DTXpress/DTXplorer/DTXtreme

--- OGD wrote:
> The problem is that you would have to strike the first
> pad with the piezo at the same time as the second pad
> with the piezo, in order for the module to believe that
> it is really the rim switch triggering in the first pad. 

No, I didn't quite make myself clear.

Take one mono pad, plug into a stereo input as normal.

For the second, take another mono pad and one stereo cable. Wire the 
piezo (a) tip and sleeve, and (b) through the aforementioned doo-dad 
(the box on the whiteboard that says "somewhere in here, magic 
happens") to ring and sleeve. The doo-dad converts a signal off the 
piezo and converts it to simulate a switch closing (lo-hi, or hi-lo, 
whichever is appropriate). When the piezo on the second pad is 
struck, the signal is (a) sent straight to the module and (b) 
through the doo-dad. So, when you clout the second pad, the module 
sees the piezo fire AND the rim switch apparently close. Hence, pad 
sound from the first pad, and rim sound from the second pad.

(I'm waving my arms around here, and drawing little pictures in the 
air. Can you see me?)

Stewart