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#11
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Heathkit clock speaker?
In article ,
ian field wrote: A good clue as to whether its a piezo sounder is that some other component would provide a DC path for the collector of the driver transistor - maybe an inductor or just a resistor if its a real cheapie. Isn't it easier just to look at it? A piezo sounder looks nothing like a moving coil speaker. -- *Why is it called tourist season if we can't shoot at them? Dave Plowman London SW To e-mail, change noise into sound. |
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