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RCF L12L750 - 12" 350W 8 Ohm
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.
Applications:
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.
Main Features:
- 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
This product has been discontinued - please do not try to order this item we will not be able to supply it - the product details are here for reference only. Please contact a member of staff, and we may be able to find an equivalent product for you.
General Specifications
- Nominal Diameter: 300 mm / 12 inch
- 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: 260 mm / 10.2 inch
- Max Excursion Before Damage (peak to peak): 40 mm / 1.6 inch
- Minimum Impedance: 7.2 Ω
- Voice Coil Diameter: 100 mm / 4 inch
- Voice Coil Material: Aluminum
- Voice Coil Winding Depth: 12 mm / 0.5 inch
- Number of layers: 1
- Kind of layer: outside
- Top Plate Thickness: 10 mm / 0.4 inch
- Cone Material: No pressed pulp
- Cone Design: Curved
- Surround Material: Polycotton
- Surround Design: Triple roll
Thiele/Small Parameters
- 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%
Mounting information
- Overall Diameter: 320 mm / 12.6 inch
- Bolt Circle Diameter: 296-304 mm / 11.7-12 inch
- Bolt Hole Diameter: 7 mm / 0.3 inch
- Front Mount Baffle Cut-out: 286 mm / 11.3 inch
- Rear Mount Baffle Cut-out: 284 mm / 11.2 inch
- Depth: 146 mm / 5.7 inch
- Volume occupied by the driver: 2.9 liters / 0.10 ft³
- Net Weight: 11.5 kg / 25.3 lbs
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