Predam 18’ reproduktory rcf LF18G401

Predam reproduktory rcf LF18G401 200€ kus

Detailní popis produktu
Reproduktor RCF 18", 900W, 98dB, 30-1000Hz, X-max 8,5mm, hmotnost 13kg

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.

Features:

• 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


General Specifications:

• Nominal Diameter: 460 / 18 mm/inch
• Rated Impedance: 8 ohm
• Program Power: 1800 W AES
• Power handling capacity: 900 W AES
• Sensitivity: 98 dB
• Frequency Range: 30 Hz ÷ 1000 Hz
• Effective Piston Diameter: 395 / 15.6 mm/inch
• Max Excursion Before Damage (peak to peak): 50 / 2.0 mm/inch
• Minimum Impedance: 5.9 ohm
• Voice Coil Diameter: 100 / 4 mm/inch
• Voice Coil Material: Copper
• Voice Coil Winding Depth: 23 / 0.9 mm/inch
• Number of layers: 2
• Kind of layer: inside / outside
• Top Plate Thickness: 12 / 0.5 mm/inch
• Cone Material: No pressed pulp
• Cone Design: Straight
• Surround Material: Polycotton
• Surround Design: Triple roll


Thiele/Small Parameters:

• DC resistance: 4.8ohm
• Mechanical factor: 7.6
• Electrical factor: 0.30
• 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
• Max. linear excursion (mathematical): 8.5 mm
• Voice - coil inductance @ 1kHz: 2.4 mH
• Half-space efficiency: 3.09%


Mounting information:

• Overall Diameter: 465 / 18.3 mm/inch
• Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch
• Bolt Hole Diameter: 6.5 / 0.3 mm/inch
• Front Mount Baffle Cut-out: 424 / 16.7 mm/inch
• Rear Mount Baffle Cut-out: 424 / 16.7 mm/inch
• Depth: 205 / 8.1 mm/inch
• Volume occupied by the driver: 7.0 / 0.25 liters/ft3
• Net Weight: 13 / 28.9 kg/lbs


Shipping information:

• Shipping weight: 13.7 / 30.4 kg/lbs


Parametry
Kategorie: Reproduktory 18"
Záruka: 24
Hmotnost: 15 kg
Bl (Tm): 24,6
Citlivost (dB): 98,0
Cívka (mat./mm): Cu 100 k
Cms (µm/N): 129
dostupné impedance: 8
EBP: 110
Fs (Hz): 33
Hag (mm): 12,00
hmotnost: 13,00
Hvc (mm): 23,00
Impedance (ohm): 8
L1 (mH): 1,15
L2 (mH): 1,92
Le (mH): 2,40
magnet: ferit
materiál koš/kryt: Al
Mms (g): 182
No (%): 3,09
Otvor (mm): 424
Příkon (W): 900
Qes: 0,300
Qms: 7,60
Qts: 0,290
R2 (ohm): 9,07
Re (ohm): 4,80
Rozměr ("): 18"
Roz