RCF L12L750 Professional Mid-Bass 12-Inch Car Subwoofer Speaker
The L12L750 is primary designed to be horn loaded in medium and long throw systems.
The dust cap is inverted in order to minimize the cone distortion and for better coupling to a phase plug.
When mounted in compact size bass reflex enclosures, the good combination of short voice coil, very low mass and suspensions control makes the L12l750 a very good choise for high power, 2 way, satellite applications.
Very high efficiency and extended linearity are special features of this mid-bass transducer. Very efficient heat dissipation is ensured by a radiator that is part of the basket design. The aluminum voice coil offer a properly aligned Q factor and a very high sensitivity.
A specially designed Shallow Triple-roll surround guarantee a very low midrange distortion. Fiberglass former voice coil, polycotton suspensions and treated cone provide the very high power handling.
- 4-inch, fiberglass former, edgewound aluminum voice coil
- 700W continuous program power handling
- 101 dB Sensitivity
- 60 Hz – 2 kHz Frequency range
- Shaped Shallow Triple-roll damped surround
- Inverted dust cap
- Nominal Diameter:12"
- Rated Impedance:8 Ω
- Program Power:700 W AES
- Power handling capacity:350 W AES
- Sensitivity:101 dB
- Frequency Range:60 Hz ÷ 2000 Hz
- Effective Piston Diameter:10.2"
- Max Excursion Before Damage (peak to peak):1.6"
- Minimum Impedance:7.2 Ω
- Voice Coil Diameter:4"
- Voice Coil Material:Aluminum
- Voice Coil Winding Depth:0.5"
- Number of layers:1
- Kind of layer:outside
- Top Plate Thickness:0.4"
- Cone Material:No pressed pulp
- Cone Design:Curved
- Surround Material:Polycotton
- Surround Design:Triple roll
- Resonance frequency:62 Hz
- DC resistance:5.2Ω
- Mechanical factor:4.1
- Electrical factor:0.29
- Total factor:0.27
- BL Factor:18.8 T · m
- Effective Moving Mass:50 g
- Equivalent Cas air load:52 liters
- Effettive piston area:0.053 m²
- Max. linear excursion (mathematical):3.5 mm
- Voice - coil inductance @ 1kHz:1.25 mH
- Half-space efficiency:4.12%
- Overall Diameter:12.6"
- Bolt Circle Diameter:11.7-12"
- Bolt Hole Diameter:0.3"
- Front Mount Baffle Cut-out:11.3"
- Rear Mount Baffle Cut-out:11.2"
- Volume occupied by the driver:0.10 ft³
- Net Weight:25.3 lbs
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