JB Sytems PWX 18/400

PWX 18/400
SUBWoofer 18" / 400Wrms

General : Application DJ & Club, Stage & Rental
General : Dimensions (cm) 45.7 cm
General : Weight (kg) 15
Audio : min. frequency (Hz) 40
Audio : max. frequency (Hz) 2000
Audio : diameter woofer (inch) 18"
Audio : Wrms 8Ω stereo, per channel 400

SPECIFICATIONS

Nominal diameter 457mm.18in
Nominal impedance 8 ohm
Power rating 400w RMS
Sensitivity (1w/1m) 98dB±3dB
Frequency range 40-2KHz
Voice coil diameter 4 99.3mm
Voice coil length 24mm
Air gap height 10mm
Magnet dimension 4 220mmx25mm

THIELE & SMALL PARAMETERS
Resonace frequency, FS 40Hz
D.C. resistance, Re 6 ohm
Mechanical quality factor, Qms 2.52
Electrical quality factor, Qes 0.53
Total quality factor, Qts 0.44
Equivalent air volume to Cms, Vas 192L
Mechanical compliance. Cms 0.08mm/N
Bl factor, Bl 23.96N/A
Effective surface area, Sd 0.132ms

MATERIALS
Basket Aluminium
Cone and dust can Paper
Surround Treated cloth
Voice coil wire Copper
Voice coll bobbin Aluminium
Magnet Ferrite

MOUNTING INFORMATION
Overall diameter 4461mm
Bolt circle diameter 448mm
Baffle cutout diameter 413mm
Depth 182mm
Net weight 16