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How to make parametric speaker

Step 4Ultrasonic traducer

ultrasonic traducer

Parametric speaker needs many many ultrasonic transducers.I use 50 pcs on PCB.Because it needs very high sound pressure level.This modulator unit can drive two speaker units.

You can enjoy amaging sound from parametric speaker.visit my site at zao.jp/radio

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Author:offbike125

I ride KTM125 on holiday. I like mountain. I like soldering. I like radio.