Designed for paging calls and general announcements, the PM-660 desk-top microphone comes with a large talk switch and a lock lever for easy and convenient operation.
| Type | Moving coil microphone |
|---|---|
| Polar Pattern | Unidirectional |
| Rated Impedance | 600 Ω, unbalanced |
| Rated Sensitivity | -58 dB (1 kHz, 0 dB=1 V/Pa) |
| Frequency Response | 100 Hz - 10 kHz |
| Output | 2-conductor shielded cable (2.5 m (8.2 ft)) with phone plug |
| Talk Switch | 1-push-to-talk switch, 1-locking lever, Short-off type |
| Operating Temperature | -10 ℃ to +50 ℃ (14 ゜F to 122 ゜F) |
| Operating Humidity | 95 %RH or less (no condensation) |
| Finish | Microphone head : Zinc plated steel wire, gray baked paint
Main unit: ABS resin, gray |
| Dimensions | 100 (W) × 212 (H) × 150 (D) mm (3.94" × 8.35" × 5.91") |
| Weight | 400 g (0.88 lb) (cord excluded) |