CUSTOM
PRECISION TRANSDUCERS

LF18Y402

WOOFER
  • 4-inch, fiberglass inside/outside copper voice coil
  • 2400W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
Where to buy
Features Specifications Downloads
Where to buy
Features
  • 4-inch, fiberglass inside/outside copper voice coil
  • 2400W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
  • Dual Forced Hyperventing System
  • Dual spider design with silicon based dampening control
  • Triple-roll surround and corrugated straight cone geometry

Very linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-inch transducer within its application range. The LF18Y402 uses a fibre loaded cone assembly along with a high excursion triple roll surround. This combination provides remarkable strength and a peak to peak maximum excursion of 50 mm. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling.

CUSTOM

Part number:

11100122
LF18Y402
8ohm

Specifications
General specifications
Nominal Diameter
18 inch / 457 mm
Rated Impedance
8 ohm
Program Power (watt)
2400 W
Power handling capacity
1200 W
Sensitivity
97.5 dB
Frequency range
25 - 1000 Hz
Effective piston diameter
395 mm / 15.55 inch
Max. Excursion Before Damage
50 mm / 1.97 inch
Minimum Impedance (ohm)
6.5 ohm
Voice Coil Diameter
4.0 inch / 102 mm
Voice Coil Length
30 mm / 1.18 inch
Number of layers
2
Kind of layers
inside/outside
Top Plate Thickness
15 mm / 0.59 inch
Cone Design
Straight
Surround Design
Triple roll
Thiele - small parameters
Resonance frequency (Fs)
30 Hz
DC resistance (Re) (ohm)
5.40 ohm
Mechanical factor
7.40 Qms
Electrical factor
0.31 Qes
Total factor
0.30 Qts
Bl factor (Bl) (T x m)
26.50 T x m
Effective moving mass (Mms)
215.0 g
Equivalent Cas air loaded (Vas)
274.0 liters
Effective piston area (Sd)
0.120 m2
Max. linear excursion (Xmax)
12 mm
Voice coil inductance @ 1kHz (Le1k)
2.50 mH
Half-space efficency (Eff)
2.30%
Mounting information
Overall diameter
465 mm / 18.31 inches
Bolt circle diameter
442-447 mm / 17.4-17.6 inch
Bolt hole diameter
7 mm / 0.28 inch
Front mount baffle cut-out
424 mm / 16.69 inch
Rear mount baffle cut-out
424 mm / 16.69 inch
Volume occupied by the driver
6.5 liters / 0.26 ft3
Size
Weight
12.5 kg / 27.56 lbs
Shipping information
Package Height
254 mm / 10 inches
Package Width
524 mm / 20.63 inches
Package Depth
495 mm / 19.49 inches
Package Weight
15 kg / 33.07 lbs
Downloads
SPECSHEETS
SPECSHEET - ENG
PDF
512 KB
22-01-2024
DRAWINGS
LINE ART 2D
PDF
369 KB
21-03-2018