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15th June 2007, 04:52 AM
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#1 |
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diyAudio Member
Join Date: Jun 2007
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Low Pass Filter in line with a Piezo Transducer
Hi,
I'm new to this forum. Just wondering if anyone could help me out with something. I've built a stomp box which is basically a box with a pickup inside. They're used by tapping your foot on them to get a percussive accompaniment while playing other instruments. The problem is, that they require quite a bit of EQ to roll off the high and mid frequecies. I want to place a Low Pass Filter between the Piezo transducer and the output of the box but am unsure about how to go about it and what value capacitor/inductor etc to use. I'm pretty sure the Piezo has an impedance of 600 ohms... and i would like the LPF to roll off frequencies above about 400hz. If anyone can help me out, that would be great! Thanks. Shaun |
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