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Old 19 August 2015, 05:41   #595
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Join Date: Aug 2012
Location: Melbourne, Australia
Posts: 770
Originally Posted by Gimpy View Post
Hey guys!

I did my own mod using a PNP darlington (MPSA63), a 1K resistor, a 1uF capacitor and a buzzer.

This circuit is easier and works like a charm!

The buzzer I used is a SBT-12 but any buzzer 5V to 12V with any frequency should work.

The peak generated by Gary is so tiny that it has to be stretched by the cap and a transistor with a large Beta or else, you can't hear it.

Result really sound like a floppy!
So instead of the very synthetic "beeps" most sound mods make, this sounds properly mechanical?
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