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W 100 X - 2 x 4 Ohm

Art. No. 9049

10 cm (4”) woofer with low resonant frequency and compact size. The wide and elastic rubber
surround allows for a large excursion. A 2x4 Ohm dual voice coil allows 2, 4 and 8 Ohm
operation, as well as stereo connection, for example via the rear channels of a car radio. The
easy-to-install and visually appealing metal basket make the W 100 X a versatile subwoofer
for hi-fi and industry.

Possible connections: (1) one voice coil not connected (2) both voice coils in series (3) both voice coils in parallel

*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Recommended cabinets
Amplitude & Impendance Frequency
Directivity pattern
Rated power 40 W
Maximum power 60 W
Nominal impedance Z (1) 4 Ohm/(2) 8 Ohm/(3) 2 Ohm
Frequency response 45 - 12000 Hz
Mean sound pressure level 81 dB (1 W/1 m)
Excursion limit +/−7.5 mm
Resonance frequency fs 63
Magnetic induction 0.85 T
Magnetic flux 243 µWb
Height of front pole-plate 3.5 mm
Voice coil diameter 26 mm
Height of winding 10 mm
Cutout diameter 97 mm
Net weight 0.76 kg
Mechanical Q factor Qms (1) 3.17/(2) 3.33/(3) 2.74
Electrical Q factor Qes (1) 0.95/(2) 0.48/(3) 0.43
Total Q factor Qts (1) 0.73/(2) 0.42/(3) 0.37
Equivalent volume Vas (1) 2.63 l(2) 2.24 l(3) 2.89 l
Effective piston area Sd 51.5 cm²
Dynamically moved mass Mms 10.4 g
Force factor Bxl (1) 3.02 Tm/(2) 7.93 Tm/(3) 3.75 Tm
Inductance of the voice coil L (1) 0.46 mH/(2) 1.49 mH/(3) 0.41 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Mounting depth 58 mm
Übertragungsbereich 45 - 12000 Hz
Volume/Principle BR-Channel fb fc/QTC
1,3 l/closed - - 105 Hz/0,7
3 l/bass reflex 36 mm x 250 mm (dxl) 62 Hz -

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