The Geloso M1100 Vintage Piezoelectric Microphone was produced between 1952 and 1956 in Milan, Italy. This design is quintessential Machine Age, reminiscient of a space age robotic creature like R2D2. Geloso produced a few microfonos with a potentiometer in place of an on/off switch. This crystal mic was reputed to have a linear frequency curve response between 40 and 7000 cps.
Cosmetically, the condition is good despite signs of age, mild denuded paint and scratches. The cable has been cut and there is no connector. The function cannot be assessed. There is no stand included.
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