PIEZO-SUMMER Kyocera KBT-44SB-1A für Telefone und beliebige andere Einsätze
9,99 €
The phone ringer was, unsurprisingly, originally part of a phone ringer, a mounted piezo transducer rated for a nominal 75dB output at 1 KHz. You'll need an external signal to drive. Kyocera part # KBT-44SB-1A.
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