*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Rated power 40 W
Maximum power 70 W
Nominal impedance Z 8 Ohm
Frequency response fu–6000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 87 dB (1 W/1 m)
Opening angle (-6 dB) 54°/4000 Hz
Excursion limit +/−7.5 mm
Resonance frequency fs 57 Hz
Magnetic induction 1.0 T
Magnetic flux 240 µWb
Height of front pole-plate 3 mm
Voice coil diameter 25 mm
Height of winding 7 mm
Cutout diameter 146 mm
Net weight 0.77 kg
D.C. resistance Rdc 7.2 Ohm
Mechanical Q factor Qms 2.92
Electrical Q factor Qes 0.9
Total Q factor Qts 0.69
Equivalent volume Vas 24 l
Effective piston area Sd 137 cm²
Dynamically moved mass Mms 8.7 g
Force factor Bxl 5.0 T m
Inductance of the voice coil L 0.9 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)

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