ARCHIVED
PRECISION TRANSDUCERS

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
Support
Features Specifications Downloads
Support
Features
  • 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.

ARCHIVED

Part number:

11100047
L18S801
8ohm

Specifications
General specifications
Nominal Diameter
18 inch / 457 mm
Rated Impedance
8 ohm
Program Power (watt)
1400 W
Power handling capacity
700 W
Sensitivity
99.5 dB
Frequency range
38 - 1000 Hz
Effective piston diameter
380 mm / 14.96 inch
Max. Excursion Before Damage
40 mm / 1.57 inch
Minimum Impedance (ohm)
6.3 ohm
Voice Coil Diameter
4.0 inch / 102 mm
Voice Coil Length
19 mm / 0.75 inch
Number of layers
2
Kind of layers
inside/outside
Top Plate Thickness
10 mm / 0.39 inch
Cone Design
Curved
Surround Design
M-roll
Dual-force air ventilation
Yes
Thiele - small parameters
Resonance frequency (Fs)
39 Hz
DC resistance (Re) (ohm)
4.90 ohm
Mechanical factor
8.30 Qms
Electrical factor
0.30 Qes
Total factor
0.29 Qts
Bl factor (Bl) (T x m)
24.50 T x m
Effective moving mass (Mms)
148.0 g
Equivalent Cas air loaded (Vas)
206.0 liters
Effective piston area (Sd)
0.110 m2
Max. linear excursion (Xmax)
7 mm
Voice coil inductance @ 1kHz (Le1k)
1.70 mH
Half-space efficency (Eff)
3.93%
Mounting information
Overall diameter
460 mm / 18.11 inches
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
Rear mount baffle cut-out
418 mm / 16.46 inch
Volume occupied by the driver
6.5 liters / 0.26 ft3
Size
Height
202 mm / 7.95 inches
Diameter
460 mm / 18.11 inches
Weight
12 kg / 26.46 lbs
Shipping information
Package Height
240 mm / 9.45 inches
Package Width
510 mm / 20.08 inches
Package Depth
480 mm / 18.9 inches
Package Weight
14 kg / 30.86 lbs
Downloads
SPECSHEETS
SPECSHEET - ENG
PDF
461 KB
22-01-2024
DRAWINGS
LINE ART 2D
PDF
362 KB
21-03-2018