RCF L12L750 MID-BASS

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: 300 / 12 mm/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 / 10.2 mm/inch

Max Excursion Before Damage (peak to peak): 40 / 1.6 mm/inch

Minimum Impedance: 7.2 Ω

Voice Coil Diameter: 100 / 4 mm/inch

Voice Coil Material: Aluminum

Voice Coil Winding Depth: 12 / 0.5 mm/inch

Number of layers: 1

Kind of layer: outside

Top Plate Thickness: 10 / 0.4 mm/inch

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: 320 / 12.6 mm/inch

Bolt Circle Diameter: 296-304 / 11.7-12 mm/inch

Bolt Hole Diameter: 7 / 0.3 mm/inch

Front Mount Baffle Cut-out: 286 / 11.3 mm/inch

Rear Mount Baffle Cut-out: 284 / 11.2 mm/inch

Depth: 146 / 5.7 mm/inch

Volume occupied by the driver: 2.9 / 0.10 liters/ft³

Net Weight: 11.5 / 25.3 kg/lbs

Shipping weight: 12 / 26.4 kg/lbs