RCF CX12N251

Koax. reproduktor 12"/1", 300/50W, 99,5/109dB, 50-20000Hz, X-max 4,8mm, vyzař.úhel 60°, hmotnost 4,1kg

• The CX12N251 is a lightweight coaxial driver with excellent linearity and high efficiency.
• The CX12N251 radiates a coherent single spherical wave front with perfect dispersion control.
• The design is powered from a large sized single neodymium ring magnet that provides an extremely high flux density and BL factor.
• The new hyper-vented aluminium basket and magnetic assembly design provide an excellent heat dissipation and lower power compression.
• Special air-forced ventilations are provided for voice coil, magnet assembly and basket.
• A 2,5” voice coil combined a strength fibreglass former and aluminium wire drives the mid-bass cone with high efficiency and a good extension.
• The 1,7” dome compression driver, loaded to a 60° conical waveguide, provides a clear vocal output and a perfect high frequency extension.

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 ohm
• 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 ohm
• 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 ohm
• 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 ohm
• 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 ohm
• 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

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6 990 Kč

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