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PM4

Technical specifications

HF diaphragm ref.
5MCP5CX8
LF Recone kit ref.
5M5CX2ND8
Nominal diameter
125 mm 5 in
Nominal impedance LF/HF
8/8 ohm
Minimum impedance LF/HF
5.2/5.9 ohm
Power capacity LF/HF
150/25 W AES
Program power LF/HF
300/50 W
Sensitivity LF/HF
92/105 dB 1W/1m @ ZN
Frequency range
85-20000 Hz
Recom. crossover frequency
3.5 kHz or higher (12 dB/oct. min slope)
Voice coil diameter LF/HF
38.1/25.4 mm - 1.5/1 in
Dispersion (conical)
70º
BL factor
7.4 N/A
Moving mass
0.009 kg
Winding length
14 mm
Xdamage pp
21 mm

Parameters Thiele & Small

Fs
82 Hz
Re
5.1 ohm
Qms
9.1
Qes
0.43
Qts
0.41
Vas
5.3 l
Cms
419 µm / N
Rms
0.51 kg/s
Efficiency %
0.65
Sd
0.0095 m²
Xmax
5.7 mm
Vd
48 cm³
Le @1 kHz
0.25 mH

Construction details

Net weight
2.51 kg 5.54 lb
Total weight
2.6 kg 5.7 lb
Magnet
Ferrite
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