RCF L12L750 12" Midbass Midrange Replacement Speaker Woofer 700W

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RCF L12L750 12" Midbass Speaker

Very high efficiency and extended linearity are special features of RCF's L12L750 midbass transducer. Efficient heat dissipation is ensured by a radiator that is part of the basket design. The aluminum voice coil provides a properly aligned Q factor and high sensitivity. A specially designed shallow triple-roll surround guarantees low midrange distortion, and a fiberglass former voice coil, polycotton suspensions, and treated cone contribute to the L12L750's very high power handling. When mounted in compact size bass reflex enclosures, the good combination of short voice coil, very low mass, and suspension control makes the L12L750 an excellent choice for high power, 2-way satellite applications.

Product Specifications

• Nominal Diameter12"Power Handling (RMS)350 Watts
• Power Handling (max)700 WattsImpedance8 ohms
• Frequency Response60 to 2,000 HzSensitivity101 dB 2.83V/1m
• Voice Coil Diameter4"

Thiele-Small Parameters

• Resonant Frequency (Fs)62 HzDC Resistance (Re)5.2 ohms
• Voice Coil Inductance (Le)1.25 mHMechanical Q (Qms)4.1
• Electromagnetic Q (Qes)0.29Total Q (Qts)0.27
• Compliance Equivalent Volume (Vas)1.84 ft.³BL Product (BL)18.8 Tm
• Diaphragm Mass Inc. Airload (Mms)50gMaximum Linear Excursion (Xmax)3.5 mm
• Surface Area of Cone (Sd)530 cm²
• Materials of Construction
• Cone MaterialTreated PaperSurround MaterialCloth
• Voice Coil Wire MaterialCopperVoice Coil FormerFiberglass
• Magnet MaterialFerrite

Mounting Information

• Overall Outside Diameter12.6"Baffle Cutout Diameter11.3"
• Depth 5.7"# Mounting Holes8
• Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
• Sealed Volume0.23 ft.³Sealed F3183 Hz
• Vented Volume0.45 ft.³Vented F3117 Hz
• Weight 26.4 lbs.