hello, I'm just wondering if anyone knows about spring or plate reverbs, and how to build them? I bought a few piezo transducers, will they be needed?
EDIT
I superglued a spring to a mini speaker and a piezo transducer, and I was able to hear the piezo's output when I connected it to my (mains-power) speakers. I tried to make an amplifier on breadboard for a small speaker so I connected the piezo output to base, 9V DC to collector, and emitter to speaker. The speaker just clicked on and off when I (dis)connected the battery. Why won't it amplify?
P.S. does the circuit use one or two grounds? I'm not sure whether the speaker and piezo which are connected by a spring should be grounded together or separately.
I also had an idea; if I connected the piezo's output to the speaker's input through a variable resistor, could I alter the length of the reverb?
EDIT
I superglued a spring to a mini speaker and a piezo transducer, and I was able to hear the piezo's output when I connected it to my (mains-power) speakers. I tried to make an amplifier on breadboard for a small speaker so I connected the piezo output to base, 9V DC to collector, and emitter to speaker. The speaker just clicked on and off when I (dis)connected the battery. Why won't it amplify?
P.S. does the circuit use one or two grounds? I'm not sure whether the speaker and piezo which are connected by a spring should be grounded together or separately.
I also had an idea; if I connected the piezo's output to the speaker's input through a variable resistor, could I alter the length of the reverb?
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