Technical Data
Amplitude & Impendance Frequency
Rated power 30 Watt
Maximum power 50 Watt
Nominal impedance Z 4 Ohm
Frequency response fu - 15000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 86 dB (1W/1m)
Excursion limit 13 mm
Resonance frequency fs 66 Hz
Magnetic induction 1 Tesla
Magnetic flux 250 µ Weber
Height of front pole-plate 4 mm
Voice coil diameter 2 cm
Height of winding 0.8 cm
Cutout diameter 9.4 cm
Net weight 1 kg
D.C. resistance Rdc 3.4 Ohm
Mechanical Q factor Qms 1.85
Electrical Q factor Qes 0.42
Total Q factor Qts 0.34
Equivalent volume Vas 5 l
Effective piston area Sd 53 cm2
Dynamically moved mass Mms 4.6 g
Force factor Bxl 4.16 T · m
Inductance of the voice coil L 0.47 mH

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