L18S801
WOOFER
  • 4-inch, fiberglass inside/outside copper voice coil
  • 1400W continuous program power handling
  • 99.5 dB Sensitivity
  • 38 Hz – 1 kHz Frequency range
  • 4-inch, fiberglass inside/outside copper voice coil
  • 1400W continuous program power handling
  • 99.5 dB Sensitivity
  • 38 Hz – 1 kHz Frequency range
  • Dual spider design with silicon based dampening control
  • M-roll surround and exponential cone geometry
The L18S801 is the RCF classical high efficiency 18" woofer.
A perfect blend of voice coil length, moving mass weight and suspensions control makes this transducer the preferred solution for many speakers and rental companies. Voice coil construction, suspension and cone materials are upgrade in order to withstand up to 700 watt RMS power.

Part Number:

  • 11100047
    L18S801
    8ohm
Specifications
General specifications
Cone Design:
Curved
Dual-force air ventilation:
Yes
Effective piston diameter:
380 mm / 14.96 inch
Frequency range:
38 - 1000 Hz
Kind of layers:
inside/outside
Magnets:
Ceramic
Max. Excursion Before Damage:
40 mm / 1.57 inch
Minimim Impedance:
6 ohm
Nominal Diameter:
18 inch / 457 mm
Number of layers:
2
Power handling capacity:
700 W
Program Power:
1400 W
Rated Impedance:
8 ohm
Sensitivity:
99 dB
Spider:
Dual with silicon based damping control
Surround Design:
M-roll
Surround Material:
Polycotton
Top Plate Thickness:
10 mm / 0.39 inch
Voice Coil Diameter:
4.0 inch / 102 mm
Voice Coil Winding Material:
Copper
Voice Coil Length:
19 mm / 0.75 inch
Mounting Information
Bolt circle diameter:
438 mm / 17.24 inch
Bolt hole diameter:
8 mm / 0.31 inch
Front mount baffle cut-out:
416 mm / 16.38 inch
Overall diameter:
460 mm / 18.11 inches
Rear mount baffle cut-out:
418 mm / 16.46 inch
Volume occupied by the driver:
6.5 liters / 0.26 ft3
Shipping informations
Package Depth:
480 mm / 18.9 inches
Package Height:
240 mm / 9.45 inches
Package Weight:
14 kg / 30.86 lbs
Package Width:
510 mm / 20.08 inches
Size
Diameter:
460 mm / 18.11 inches
Height:
202 mm / 7.95 inches
Weight:
12 kg / 26.46 lbs
Standard compliance
CE marking:
Yes
Thiele - small parameters
BL factor (BL):
24.50 T x m
DC resistance (Re):
4.90 ohm
Effective moving mass (Mms):
148 gr
Effettive piston area (Sd):
0.11 m2
Electrical factor (Qes):
0.30 Qes
Equivalent Cas air loaded (Vas):
206 liters
Half-space efficency (Eff):
3.93%
Max. linear excursion (Xmax):
7 mm
Mechanical factor:
8.30 Qms
Resonance frequency (Fs):
39 Hz
Total factor:
0.29 Qts
Voice coil inductance @ 1kHz (Le1k):
1.70 mH
.