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Fifty piece pack of 27mm (1 1/16") brass piezoelectric discs. These are perfect for using as touch-sensors, electronic drum triggers, buzzers, or making your own contact mics. They don't need any preparation to use, simply solder positive to the center and ground to the brass disc. The actual piezoelectric material in the center of the brass resonating disc measures 3/4 inch. Piezoelectric materials are those which produce a tiny change in voltage when flexed or subjected to stress. When in contact with a vibrating body or mass, an alternating voltage is produced which reflects that pattern of movement. Approximate frequency response range of 80 - 20 000Hz. Please don't hesitate to email me with any questions you may have. For more products, check out my website contactmicrophones.com (all content is the responsibility of the poster) |
Cleo_Rosales@oklahomaselltoday.com (Cleo Rosales) for more information. All emails will be forwarded to the poster's actual email address.