Re: [DESIGN] Piezo-Piezo to Piezo-Switch Adaptor (by Keith Raper)

[elrules]

Hi again. What I want to do is conect two mono pads to one Roland TD6 input (for tom1 and crashes inputs, because tom2 and tom3 are able to do that without strange circuits)

I have tested connecting two PD-8 with all of your 3 circuits but none of them work. Circuit 2 (piezo/piezo to piezo/switch) divides but the sensitivity of the pad on the rim connector is awful, you have to strike it with a hammer to be able to hear something, nearly I can hear nothing. And circuit 1 and 3 (they are similar) replicate head sound in both pads so it does not divide.

I have been testing voltage coming from the PD-8 pad when I hit it on rim and head.
When I hit head, the tip and the ring give up to 30 mV. When I hit rim, the tip gives from 3mV to 5mV (less range) and ring gives from 0 to -2mV.

I don’t know what to do. I’m getting mad with all my failed attempts.

Maybe someone has achieved to connect 2 mono pads to roland dual inputs, please help me!