18WU/8747T00

WOOFER 18WU/8747T00

KEY FEATURES:
— Under-Hung Neodymium Motor Design
— Black Anodized Alu. Cone
— Low-Loss linear suspension
— Patented Symmetrical Drive (SD-3)
— Exceptionally Long Linear Excursion
— Patented Design

T-S Parameters
Resonance frequency [fs] 33 Hz
Mechanical Q factor [Qms] 3.31
Electrical Q factor [Qes] 0.35
Total Q factor [Qts] 0.32
Force factor [Bl] 7.5 Tm
Mechanical resistance [Rms] 1.00 kg/s
Moving mass [Mms] 16 g
Suspension compliance [Cms] 1.45 mm/N
Effective diaph. diameter [D] 140 mm
Effective piston area [Sd] 154 cm²
Equivalent volume [Vas] 48.3 l
Sensitivity (2.83V/1m) 85.5 dB
Ratio Bl/√Re 3.09 N/√W
Ratio fs/Qts 104 Hz
Electrical Data
Nominal impedance [Zn] 8 N
Minimum impedance [Zmin] 7.7 N
Maximum impedance [Zo] 61.7 N
DC resistance [Re] 5.9 N
Voice coil inductance [Le] 0.41 mH
Power Handling
100h RMS noise test (IEC 17.1) 80 W
Long-term max power (IEC 17.3) 150 W
Voice Coil and Magnet Data
Voice coil diameter 42 mm
Voice coil height 8 mm
Voice coil layers 4
Height of gap 20 mm
Linear excursion ± 9 mm
Max mech. excursion ± 16 mm
Unit weight 1.7 kg