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PM4

Technical specifications

Throat diameter
25.4 mm 1 in
Nominal impedance
8 Ohm
Minimum impedance
5.2 ohm
Re
4.4 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
Diaphragm material
PM4

Construction details

External diameter
110 mm 4.3 in
Depth
59 mm 2.3 in
Mounting
Three M5 threaded holes. 120º apart on
57 mm (2.24 in) diameter circle.
Two M5 threaded holes. 180º apart on
76.2 mm (3 in) diameter circle.
Net weight
1.8 kg 4 lb
Total weight
1.9 kg 4.2 lb
Magnet
Ferrite
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