LF18X451

LF18X451

LF18X451 - Image 2

Category RCF

LF18X451

WOOFER

SPECIFICATIONS

General specifications

Nominal Diameter:

18 inch / 457 mm

Rated Impedance:

8 ohm

Program Power:

3600 W

Power handling capacity:

1800 W

Sensitivity:

97.0 dB

Frequency range:

30 – 1000 Hz

Effective piston diameter:

395 mm / 15.55 inch

Max. Excursion Before Damage:

54 mm / 2.13 inch

Minimim Impedance:

6.8 ohm

Voice Coil Diameter:

4.5 inch / 114 mm

Voice Coil Winding Material:

Copper

Voice Coil Length:

34 mm / 1.34 inch

Number of layers:

2

Kind of layers:

inside/outside

Top Plate Thickness:

15 mm / 0.59 inch

Cone Design:

Straight

Surround Material:

Polycotton

Surround Design:

Triple roll

Magnets:

Ceramic

Dual-force air ventilation:

Yes

Spider:

Dual with silicon based damping control

Thiele – small parameters

Resonance frequency (Fs):

30 Hz

DC resistance (Re):

5.40 ohm

Mechanical factor:

6.70 Qms

Electrical factor (Qes):

0.29 Qes

Total factor:

0.28 Qts

BL factor (BL):

30.50 T x m

Effective moving mass (Mms):

260.0 g

Equivalent Cas air loaded (Vas):

220.0 liters

Effettive piston area (Sd):

0.120 m2

Max. linear excursion (Xmax):

14.0 mm

Voice coil inductance @ 1kHz (Le1k):

1.38 mH

Half-space efficency (Eff):

1.90%

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

Standard compliance

CE marking:

Yes

Size

Weight:

15.2 kg / 33.51 lbs

Height:

212 mm / 8.35 inches

Diameter:

465 mm / 18.31 inches

Shipping informations

Package Width:

524 mm / 20.63 inches

Package Weight:

17 kg / 37.48 lbs

Package Height:

254 mm / 10 inches

Package Depth:

494 mm / 19.45 inches