***** RCF CX12N251 12" Coaxial Hoparlör 300/600W

FEATURES

• 600 Watt continuous program power handling Mid-Bass
• 2.5-inch , fibreglass outside, aluminum voice coil
• 99.5 dB Sensitivity
• 50 Hz - 3.5 kHz Frequency range
• Dual-forced air ventilation for minimum power compression
• M -roll surround and exponential cone geometry
• Demodulation ring
• 100 Watt Continuous program power handling HF
• 1.75-inch Diaphragm, 1.0-inch Exit Throat
• Frequency range: 1200Hz – 20kHz
• 2-slot, optimised geometry phase plug
• Polyester diaphragm
• Aluminum rear cover dissipation design

CX12N251 DRIVER

• Nominal Diameter:25.4 / 1.0 mm/inch
• Rated Impedance:8 Ω
• Program Power:100 W
• Power Handling Capacity:50 W
• Sensitivity 1 W, 1 m:109 dB
• Frequency Range:1200 - 20000 Hz
• Minimun Impedance:6.5 Ω
• Voice Coil Diameter:44.4/1.75 mm/inch
• Voice Coil Material:Edgewound Aluminum
• Number of layers:1 - Outside
• Diaphragm Material:Polyimide
• Diaphragm Design:Dome
• Suspension Material:Polyimide
• Suspension design:Flat
• BL factor:7.5 T · m
• Flux density:1.9 T
• Phase plug design:2 slot
• Phase plug material:Composite
• Magentics:Neodymium

CX12N251 HORN

• Throat Diameter:25.4 / 1.0
• Nominal coverage (-6dB):60°°
• Cut-off Frequency:1800
• Material:Structural Polyurethane

• CX12N251 WOOFER

• Nominal Diameter:300 / 12 mm/inch
• Rated Impedance:8 Ω
• Program Power:600 W
• Power Handling Capacity:300 W
• Sensitivity:99.5 dB
• Frequency Range:50 - 3500 Hz
• Effective Piston Diameter:260 / 10.2 mm/inch
• Max Excursion Before Damage (peak to peak):30 / 1.18 mm/inch
• Minimun Impedance:6.4 Ω
• Voice Coil Diameter:64 / 2.51 mm/inch
• Voice Coil Material:Aluminum
• Voice Coil Winding Depth:14 / 0.55 mm/inch
• Number of layers:1
• Top Plate Thickness:8 / 0.31 mm/inch
• Cone Material:No pressed pulp
• Cone Design:Curved
• Surround Material:Polycotton
• Surround Design:Triple - roll

THIELE/SMALL PARAMETERS

• Resonance frequency:Fs - 60 Hz
• DC resistance:Re - 5.2 Ω
• Mechanical Factor:Qms - 5.4
• Electircal Factor:Qes - 0.28
• Total Factor:Qts - 0.26
• BL Factor:Bl - 17.5 T · m
• Effective Moving Mass:Mms - 41 g
• Equivalent Cas air load:Vas - 62 liters
• Effective piston area:Sd - 0.053 m²
• Max. linear excursion ( mathematical):Xmax - 4.8 mm
• Voice - coil inductance @ 1 kHz:Le1K - 1.2 mH
• Half-space efficiency:Eff - 5.2%

MOUNTING INFORMATION

• Overall Diameter:320 / 12.6 mm/inch
• Bolt Circle Diameter:294.5 - 304 / 11.6 - 12 mm/inch
• Bolt Hole Diameter:5.5 / 0.21 mm/inch
• Front Mount Baffle Cut-out:288 / 11.34 mm/inch
• Rear Mount Baffle Cut-out:288 / 11.34 mm/inch
• Depth:144 / 5.67 mm/inch
• Volume occupied by the driver:2.4 / 0.08 liters/ft³

SHIPPING INFORMATION

• Net Weight:3.6 / 7.94 kg/lbs
• Shipping Weight:4.1 / 14.7 kg/lbs