LF18N451

SPECIFICATIONS

General specifications

NOMINAL DIAMETER:

18 inch / 457 mm

RATED IMPEDANCE:

8 ohm

PROGRAM POWER:

3000 W

POWER HANDLING CAPACITY:

1500 W

SENSITIVITY:

97 dB

FREQUENCY RANGE:

30 - 1000 Hz

EFFECTIVE PISTON DIAMETER:

395 mm / 15.55 inch

MAX. EXCURSION BEFORE DAMAGE:

60 mm / 2.36 inch

MINIMIM IMPEDANCE:

6 ohm

VOICE COIL DIAMETER:

4.5 inch / 114 mm

VOICE COIL WINDING MATERIAL:

Copper

VOICE COIL LENGTH:

26 mm / 1.02 inch

NUMBER OF LAYERS:

2

KIND OF LAYERS:

inside/outside

TOP PLATE THICKNESS:

15 mm / 0.59 inch

CONE DESIGN:

Curved

SURROUND MATERIAL:

Polycotton

SURROUND DESIGN:

Triple roll

MAGNETS:

Neodymium

DUAL-FORCE AIR VENTILATION:

Yes

SPIDER:

Dual with silicon based damping control

Thiele - small parameters

RESONANCE FREQUENCY (FS):

31 Hz

DC RESISTANCE (RE):

5.00 ohm

MECHANICAL FACTOR:

6.00 Qms

ELECTRICAL FACTOR (QES):

0.25 Qes

TOTAL FACTOR:

0.24 Qts

BL FACTOR (BL):

30.20 T x m

EFFECTIVE MOVING MASS (MMS):

235 gr

EQUIVALENT CAS AIR LOADED (VAS):

245 liters

EFFETTIVE PISTON AREA (SD):

0.12 m2

MAX. LINEAR EXCURSION (XMAX):

9 mm

VOICE COIL INDUCTANCE @ 1KHZ (LE1K):

2.60 mH

HALF-SPACE EFFICENCY (EFF):

2.54%

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:

425 mm / 16.73 inch

VOLUME OCCUPIED BY THE DRIVER:

5.5 liters / 0.22 ft3

Standard compliance

CE MARKING:

Yes

Size

WEIGHT:

10.5 kg / 23.15 lbs

HEIGHT:

223 mm / 8.78 inches

DIAMETER:

465 mm / 18.31 inches

Shipping informations

PACKAGE WIDTH:

510 mm / 20.08 inches

PACKAGE WEIGHT:

12.5 kg / 27.56 lbs

PACKAGE HEIGHT:

240 mm / 9.45 inches

PACKAGE DEPTH:

480 mm / 18.9 inches