LF18G401

LF18G401

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Category RCF

LF18G401

WOOFER

SPECIFICATIONS

General specifications

Nominal Diameter:

18 inch / 457 mm

Rated Impedance:

8 ohm

Program Power:

1800 W

Power handling capacity:

900 W

Sensitivity:

98.0 dB

Frequency range:

30 – 1000 Hz

Effective piston diameter:

395 mm / 15.55 inch

Max. Excursion Before Damage:

50 mm / 1.97 inch

Minimim Impedance:

5.9 ohm

Voice Coil Diameter:

4.0 inch / 102 mm

Voice Coil Winding Material:

Copper

Voice Coil Length:

23 mm / 0.91 inch

Number of layers:

2

Kind of layers:

inside/outside

Top Plate Thickness:

12 mm / 0.47 inch

Cone Design:

Straight

Surround Material:

Polycotton

Surround Design:

Triple roll

Magnets:

Ceramic

Spider:

Dual with silicon based damping control

Thiele – small parameters

Resonance frequency (Fs):

33 Hz

DC resistance (Re):

4.80 ohm

Mechanical factor:

7.60 Qms

Electrical factor (Qes):

0.30 Qes

Total factor:

0.29 Qts

BL factor (BL):

24.60 T x m

Effective moving mass (Mms):

182.0 g

Equivalent Cas air loaded (Vas):

268.0 liters

Effettive piston area (Sd):

0.120 m2

Max. linear excursion (Xmax):

9.0 mm

Voice coil inductance @ 1kHz (Le1k):

1.80 mH

Half-space efficency (Eff):

3.09%

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 liters / 0.24 ft3

Standard compliance

CE marking:

Yes

Size

Weight:

13 kg / 28.66 lbs

Height:

196 mm / 7.72 inches

Diameter:

465 mm / 18.31 inches

Shipping informations

Package Width:

500 mm / 19.69 inches

Package Weight:

15 kg / 33.07 lbs

Package Height:

260 mm / 10.24 inches

Package Depth:

520 mm / 20.47 inches