Microphone TOA PM-660D
Designed for paging calls and general announcements, the PM-660D desk-top microphone comes with a large talk switch and a lock lever for easy and convenient operation. Its robust anti-vibration construction and balanced output render the microphone resistive to noise. In addition, the PM-660U microphone is equipped with a remote control switch (interlocked with the talk switch) for amplifier power on/off operation or chime activation.
||Moving coil microphone
||600 Ω, Balanced
||-58 dB (1 kHz, 0 dB=1 V/Pa)
||100 - 10,000 Hz
||1-push-to-talk switch, 1-locking lever, Short-off type
||500 mA or less at 30 V DC
||Microphone head: Zinc plated steel wire, gray baked paint
Main unit: ABS resin, gray
||100 (W) × 215 (H) × 150 (D) mm (3.94 × 8.46" × 5.91")"
||440 g (0.97 lb) (cord excluded)
Do not keep the lock lever placed in the locked state (ON position) for a long period of time.Doing so may cause poor conductivity in the lever switch due to deterioration with age, resulting in unit malfunction.