LF18G400

LF18G400

LF18G400 - Image 2

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Category RCF

LF18G400

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

Spider:

Dual with silicon based damping control

Thiele – small parameters

Resonance frequency (Fs):

28 Hz

DC resistance (Re):

5.10 ohm

Mechanical factor:

4.60 Qms

Electrical factor (Qes):

0.29 Qes

Total factor:

0.27 Qts

BL factor (BL):

24.20 T x m

Effective moving mass (Mms):

190.0 g

Equivalent Cas air loaded (Vas):

360.0 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):

2.63%

Mounting Information

Overall diameter:

465 mm / 18.31 inches

Bolt circle diameter:

442-447 mm / 17.4-17.6 inch

Bolt hole diameter:

424 mm / 16.69 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

Physical specifications

Color:

Black

Size

Weight:

13.3 kg / 29.32 lbs

Height:

228 mm / 8.98 inches

Diameter:

465 mm / 18.31 inches

Shipping informations

Package Width:

515 mm / 20.28 inches

Package Weight:

15 kg / 33.07 lbs

Package Height:

270 mm / 10.63 inches

Package Depth:

505 mm / 19.88 inches