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PM4

Technical specifications

Throat diameter
36 mm 1.4 in
Nominal impedance
8 Ohm
Minimum impedance
7 ohm @ 3 kHz
Re
5.3 ohm
Power capacity
60 W AES above 800 Hz
Program power
120 W above 800 Hz
Sensitivity
107 dB 1W / 1m @ ZN coupled to TD-385
Frequency range
500-16000 Hz
Recom. crossover frequency
800 Hz or higher (12 dB/oct. min slope)
Voice coil diameter
63.5 mm 2.5 in
Flux density
1.55 T
BL factor
9.1 N/A
Diaphragm material
PM4

Construction details

External diameter
145 mm 5.70 in
Depth
62 mm 2.44 in
Mounting
Four M6 threaded holes. 90º apart on
101.6 mm (4 in) diameter circle.
Mounting hardware is supplied
Net weight
3.3 kg 7.26 lb
Total weight
3.5 kg 7.77 lb
Magnet
Ferrite
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