Reproduktor RCF 12", 550W, 97dB, 40-2000Hz, X-max 6,8mm, hmotnost 7,3kg

High power 12" woofer.
Very good power handling, excellent and very low distortion.
Copper voice coil construction, suspensions and cone materials designed to survive at 450Watt RMS power.

Features:

• 3-inch, fiberglass inside/outside copper voice coil
• 900W continuous program power handling
• 97 dB Sensitivity
• 40 Hz – 2 kHz Frequency range
• M-roll surround and exponential cone geometry


General Specifications:

• Nominal Diameter: 300 / 12 mm/inch
• Rated Impedance: 8 ohm
• Program Power: 900 W AES
• Power handling capacity: 450 W AES
• Sensitivity: 97 dB
• Frequency Range: 40 Hz ÷ 2000 Hz
• Effective Piston Diameter: 260 / 10.2 mm/inch
• Max Excursion Before Damage (peak to peak): 36 / 1.4 mm/inch
• Minimum Impedance: 7.2 ohm
• Voice Coil Diameter: 76 / 3 mm/inch
• Voice Coil Material: Copper
• Voice Coil Winding Depth: 18.5 / 0.7 mm/inch
• Number of layers: 2
• Kind of layer: inside / outside
• Top Plate Thickness: 10 / 0.4 mm/inch
• Cone Material: No pressed pulp
• Cone Design: Curved
• Surround Material: Polycotton
• Surround Design: M - roll


Thiele/Small Parameters:

• Resonance frequency: 43 Hz
• DC resistance: 5.8ohm
• Mechanical factor: 4.6
• Electrical factor: 0.23
• Total factor: 0.22
• BL Factor: 19 T · m
• Effective Moving Mass: 56 g
• Equivalent Cas air load: 97 liters
• Effettive piston area: 0.053 m2
• Max. linear excursion (mathematical): 6.8 mm
• Voice - coil inductance @ 1kHz: 2.0 mH
• Half-space efficiency: 3.23%


Mounting information:

• Overall Diameter: 320 / 12.6 mm/inch
• Bolt Circle Diameter: 293-304 / 11.5-12 mm/inch
• Bolt Hole Diameter: 6.5 / 0.3 mm/inch
• Front Mount Baffle Cut-out: 282 / 11.1 mm/inch
• Rear Mount Baffle Cut-out: 284 / 11.2 mm/inch
• Depth: 138 / 5.4 mm/inch
• Volume occupied by the driver: 2.6 / 0.09 liters/ft3
• Net Weight: 7.3 / 16.2 kg/lbs


Shipping information:

• Shipping weight: 8.1 / 18.0 kg/lbs