MODEL 1500C PERFORMANCE SPECIFICATIONNew subminiature micropnones with exceptionally low sensitivity to solid borne vibration. For use in sound measurement, audiometric test and speech training equipment, hearing aids and other professional audio applications. A novel electret element and integral preamplifier are included. An internal filter provides highly efficient RF suppression
| Sensitivity
to vibration (1kHz equivalent SPL) |
66 dB per g |
| Noise level ("A" weighted 1kHz SPL equivalent of noise) | 25dB |
| Output impedance | 3 kOhm |
| Current drain | 25 ľA |
| Supply voltage | 1.3V (0.9–20V) |
Patents Pending |
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