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PM4

Technical specifications

Nominal impedance LF/HF
8/8 ohm
HF diaphragm ref.
5MCP5CX8
LF Recone kit ref.
5M5CX2ND8
Nominal diameter
127 mm 5 in
Minimum impedance LF/HF
5.2/5.9 ohm
Frequency range
69-20000 Hz
Power capacity LF/HF
150/25 W AES
Program power LF/HF
300/50 W
Sensitivity LF/HF
92.5/102 2.83 @ 1 m @ 2π
Recom. crossover frequency
3.5 kHz or higher (12 dB/oct. min slope)
Voice coil diameter LF/HF
39/26 mm - 1.5/1 in
Dispersion (conical)
70º
BL factor
7.18 N/A
Moving mass
0.007 kg
Winding length
14 mm
Xdamage pp
21 mm

Parameters Thiele & Small

Fs
69 Hz
Re
5.1 ohm
Qms
10.07
Qes
0.32
Qts
0.31
Vas
8.9 l
Cms
697 µm / N
Rms
0.32 kg/s
Efficiency %
0.86
Sd
0.0095 m²
Xmax
5.7 mm
Vd
48.1 cm³
Le @1 kHz
0.2 mH

Construction details

Net weight
2.51 kg 5.54 lb
Total weight
2.59 kg 5.73 lb
Magnet
Ferrite
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