RCF LF18G401 8/ohm
Kód: 412013-8Podrobný popis
Reproduktor RCF 18", 900W, 98dB, 30-1000Hz, X-max 8,5mm, hmotnost 13kgThe 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
Dodatočné parametre
| Kategória: | Reproduktory 18" |
|---|---|
| Záruka: | 24 |
| Hmotnosť: | 15 kg |
| EAN: | 11100012 |
| 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" |
| Rozsah (Hz): | 30 ÷ 1 000 |
| Sd (cm2): | 1 220 |
| SPLref (dB): | 96,9 |
| Vas (l): | 268 |
| Vd (cm3): | 1 037 |
| Xmax (0/pk mm): | 8,50 |
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