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WF 130 ND - 8 Ohm

Art. No. 9051

13 cm (5?) low-midrange driver with Polypropylen membran, neodymium magnet and rubber surround which is suited well for uses where very low installation depth and low weight is required but good sound cannot be renounced in the bass and midrange tone area. The basket front has an integrated fabric grille, which makes a real grille unnecessary and protects at the same time the usually bare airgap, as well as the voice coil.

*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Amplitude & Impendance Frequency
Rated power 40 W
Maximum power 60 W
Nominal impedance Z 8 Ohm
Frequency response fu-10000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 84 dB (1 W/1 m)
Excursion limit +/−8.1 mm
Resonance frequency fs 46 Hz
Magnetic induction 1.17 T
Magnetic flux 376 µWb
Height of front pole-plate 4 mm
Voice coil diameter 25.6 mm
Height of winding 7.6 mm
Cutout diameter 123 mm
Net weight 0.26 kg
D.C. resistance Rdc 6.7 Ohm
Mechanical Q factor Qms 2.97
Electrical Q factor Qes 0.89
Total Q factor Qts 0.69
Equivalent volume Vas 10.6 l
Effective piston area Sd 94 cm²
Dynamically moved mass Mms 11.7 g
Force factor Bxl 5.39 Tm
Inductance of the voice coil L 0.76 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)

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