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18-inch woofer with linear frequency response
Model: LF18G401
- 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
Product Info
Tech Specs
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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.
- 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.
- Spec Sheet available - Yes
- Speaker Diameter (Driver): 18.11 in
- Maximum Frequency Response (Bandwidth): 1 kHz
- Maximum Frequency Response (Bandwidth): 1000 Hz
- Minimum Frequency Response (Bandwidth): 40 Hz
- Minimum Frequency Response (Bandwidth): 0.04 kHz
- Impedance: 8 ohm
- Number of Bands: 2
- Power Handling: 1800 Watt
- Sensitivity: 98 dB
- Depth: 8.07 in
- Product Weight: 28.66 lbs
- Shipping Weight: 30.20 lbs
- Color: Black
- Effective Piston Diameter: 395 / 15.6 mm/inch
- Max Excursion Before Damage (peak to peak): 50/2 mm/inch
- Minimum Impedance: 5.9 ohm
- Voice Coil Diameter: 100/4
- Voice Coil Material: Copper
- Voice Coil Winding Depth: 23 / 0.9 mm/inch
- Number of layers: 2
- Kind of layer: outside
- Top Plate Thickness: 12/0.5 mm/inch
- Cone Material: No pressed pulp
- Cone design: Straight
- Surround Material: Polycotton
- Surround design: M - roll
- DC Resistance: 4.8 ohm
- Mechanical factor: 7.6
- Electrical factor: 0.3
- Total factor: 0.29
- Bl Factor: 24.6 T · m
- Effective Moving Mass: 182 g
- Equivalent Cas air load: 268 liters
- Effettive piston area: 0.122 m2
- Voice - coil inductance @ 1KHz: 2.4 MH
- Half-space efficiency: 3.09 %
LF18G401
111 kb
- Data Sheet
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Contact Lee Hartman & Sons
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Lee Hartman & Sons
3236 Cove Road NW
Roanoke, VA 24017
USA
(540) 366-3493
http://www.leehartman.com/
Contact in regards to this product:
RCF USA
Model: LF18G401
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