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PM4

Technical specifications

Throat diameter
25.4 mm 1 in
Nominal impedance
8 Ohm
Minimum impedance
5.6 ohm
Re
4.3 ohm
Power capacity
70 W AES above 1.5 kHz
Program power
140 W above 1.5 kHz
Sensitivity
109 dB 1W / 1m @ ZN coupled to TD-164
Frequency range
700-19000 Hz
Recom. crossover frequency
1.5 kHz or higher (12dB/oct min slope)
Voice coil diameter
44.4 mm 1.75 in
Flux density
1.5 T
BL factor
6.6 N/A
Diaphragm material
PM4

Construction details

External diameter
110 mm 4.3 in
Depth
78 mm 3.1 in
Mounting
1" 3/8 thread
Net weight
1.8 kg 4 lb
Total weight
1.9 kg 4.2 lb
Magnet
Ferrite
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