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RCF LF18G401 PRECISION TRANSDUCER WOOFER

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LF18G401
WOOFER
4-INCH, FIBERGLASS INSIDE/OUTSIDE COPPER VOICE COIL
1800W CONTINUOUS PROGRAM POWER HANDLING
98 DB SENSITIVITY
30 HZ – 1 KHZ FREQUENCY RANGE
Dual spider design with silicon based dampening control
Triple-roll surround and corrugated straight cone geometry
The LF18G401 is a 18-inch woofer with linear frequency response cheracteristics and very high power handling.
The LF18G401 uses a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround. This combination provides remarkable strength and peak to peak maximum excursion of 50mm

33,500.00 23,500.00

SPECIFICATIONS
General specifications
CONE DESIGN:
Straight
EFFECTIVE PISTON DIAMETER:
395 mm / 15.55 inch
FREQUENCY RANGE:
30 – 1000 Hz
KIND OF LAYERS:
inside/outside
MAGNETS:
Ceramic
MAX. EXCURSION BEFORE DAMAGE:
50 mm / 1.97 inch
MINIMIM IMPEDANCE:
5 ohm
NOMINAL DIAMETER:
18 inch / 457 mm
NUMBER OF LAYERS:
2
POWER HANDLING CAPACITY:
900 W
PROGRAM POWER:
1800 W
RATED IMPEDANCE:
8 ohm
SENSITIVITY:
98 dB
SPIDER:
Dual with silicon based damping control
SURROUND DESIGN:
Triple roll
SURROUND MATERIAL:
Polycotton
TOP PLATE THICKNESS:
12 mm / 0.47 inch
VOICE COIL DIAMETER:
4.0 inch / 102 mm
VOICE COIL WINDING MATERIAL:
Copper
VOICE COIL LENGTH:
23 mm / 0.91 inch
Mounting Information
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
OVERALL DIAMETER:
465 mm / 18.31 inches
REAR MOUNT BAFFLE CUT-OUT:
424 mm / 16.69 inch
VOLUME OCCUPIED BY THE DRIVER:
6 liters / 0.24 ft3
Shipping informations
PACKAGE DEPTH:
520 mm / 20.47 inches
PACKAGE HEIGHT:
260 mm / 10.24 inches
PACKAGE WEIGHT:
15 kg / 33.07 lbs
PACKAGE WIDTH:
500 mm / 19.69 inches
Size
DIAMETER:
465 mm / 18.31 inches
HEIGHT:
196 mm / 7.72 inches
WEIGHT:
13 kg / 28.66 lbs
Standard compliance
CE MARKING:
Yes
Thiele – small parameters
BL FACTOR (BL):
24.60 T x m
DC RESISTANCE (RE):
4.80 ohm
EFFECTIVE MOVING MASS (MMS):
182 gr
EFFETTIVE PISTON AREA (SD):
0.12 m2
ELECTRICAL FACTOR (QES):
0.30 Qes
EQUIVALENT CAS AIR LOADED (VAS):
268 liters
HALF-SPACE EFFICENCY (EFF):
3.09%
MAX. LINEAR EXCURSION (XMAX):
9 mm
MECHANICAL FACTOR:
7.60 Qms
RESONANCE FREQUENCY (FS):
33 Hz
TOTAL FACTOR:
0.29 Qts
VOICE COIL INDUCTANCE @ 1KHZ (LE1K):
1.80 mH
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Vendor Information

  • Store Name: Pancholi music store agar malwa m.p.
  • Vendor: Pancholi music store agar malwa m.p.
  • Address: Pancholi Music Store
    Near Collecter Office
    Agar Malwa 465441
    Madhya Pradesh
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