PA subwoofer, 1,200 W, 8 Ω
- Two demodulation rings
- Optimised double suspension
- Balanced ventilation for enhanced cooling
- 8 Ω version, also available as 4 Ω version (CF1840JD/4)
Impedance (Z): 8 Ω
Transmission technology: cable
Frequency range: 30-2,500 Hz
Resonant frequency (fs): 37 Hz
Power rating (RMS): 1,200 W
Peak music power output (MAX): 2,400 W
SPL: 97 dB/W/m
Suspension compl. (Cms): 0.09 mm/N
Moving mass (Mms): 217.40 g
Mech. Q factor (Qms): 4.372
Electr. Q factor (Qes): 0.437
Total Q factor (Qts): 0.397
Equivalent volume (Vas): 155 l
DC resistance (Re): 5.29 Ω
Force factor (BxL): 24.76 Tm
Voice coil induct. (Le): 1.16 mH
Voice coil diameter: Ø 100 mm
Voice coil winding height: 30 mm
Voice coil material: copper wire
Voice coil former: glass fibre
Linear excursion (X
MAX): ± 12.5 mm
Eff. cone area (Sd): 1,134.12 cm2
Magnet weight: 3.18 kg
Mounting cutout: Ø 414 mm
Mounting depth: 220 mm
Mounting hole diameter: Ø 441-432 mm
Dimensions: Ø 460 mm x 220 mm
Outside diameter: Ø 460 mm
Width: Ø 460 mm
Depth: 220 mm
Colour: black
Admiss. ambient temp.: 0-40 °C
Weight: 11.6 kg
Packing unit: 1
Type of speaker: 18"
Packing dimensions (W x H x L): 0.5 x 0.26 x 0.5 m
Gross weight: 13.65 kg
Net weight: 11.6 kg
