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PM4

Technical specifications

Throat diameter
20.5 mm 0.8 in
Flange height
101.6 mm 4 in
Nominal impedance
8 Ohm
Minimum impedance
4.71 ohm @ 3.4kHz
Re
4.3 ohm
Power capacity
70 W AES above 1.2 kHz
Program power
140 W above 1.2 kHz
Sensitivity
104 dB 1 W @ 1 m coupled to horn
Frequency range
700-20000 Hz
Recom. crossover frequency
1.2 kHz or higher (12dB/oct min slope)
Voice coil diameter
44.4 mm 1.75 in
BL factor
6.6 N/A
Diaphragm material
PM4

Construction details

Total weight
-
External diameter
100 mm 3.9 in
Depth
200 mm 7.87 in
Mounting
Four 6 mm diameter holes
Net weight
1.81 kg 4 lb.
Total weight (2 units)
3.78 kg 8.34 lb.
Magnet
Ferrite
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