LF18X400

LF18X400

LF18X400 - Image 2

Category RCF

LF18X400

WOOFER

SPECIFICATIONS

General specifications

Nominal Diameter:

18 inch / 457 mm

Rated Impedance:

8 ohm

Program Power:

2000 W

Power handling capacity:

1000 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

Minimim Impedance:

6.0 ohm

Voice Coil Diameter:

4.0 inch / 102 mm

Voice Coil Winding Material:

Copper

Voice Coil Length:

25 mm / 0.98 inch

Number of layers:

2

Kind of layers:

inside/outside

Top Plate Thickness:

14 mm / 0.55 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):

28 Hz

DC resistance (Re):

5.10 ohm

Mechanical factor:

6.50 Qms

Electrical factor (Qes):

0.29 Qes

Total factor:

0.27 Qts

BL factor (BL):

25.00 T x m

Effective moving mass (Mms):

192.0 g

Equivalent Cas air loaded (Vas):

340.0 liters

Effettive piston area (Sd):

0.120 m2

Max. linear excursion (Xmax):

9.0 mm

Voice coil inductance @ 1kHz (Le1k):

1.20 mH

Half-space efficency (Eff):

2.64%

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:

7 liters / 0.28 ft3

Standard compliance

CE marking:

Yes

Size

Weight:

13.3 kg / 29.32 lbs

Height:

228 mm / 8.98 inches

Diameter:

465 mm / 18.31 inches

Shipping informations

Package Width:

500 mm / 19.69 inches

Package Weight:

15.6 kg / 34.39 lbs

Package Height:

270 mm / 10.63 inches

Package Depth:

510 mm / 20.08 inches