Incredibly linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 15-inch transducer within its application range. The LF15X400 uses a fibre loaded cone assembly along with a high excursion triple roll surround. This combination provides remarkable strength and a peak to peak maximum excursion of 52 mm. The T-pole also features RCF Precision’s spaced gap demodulation technology, progressively braking the voice coil, providing a much smoother transition for the moving mass as it reaches its maximum excursion limits. Forced air venting system.
Features
- 4-inch Inside/outside copper voice coil
- 1600 Watt continuous program power handling
- 97 dB Sensitivity
- 30 Hz - 1.5 kHz Frequency range
- Progressive, spaced, aluminum demodulation rings
- Forced air ventilation and 14 mm top plate for minimum power compression
- Dual spider design with silicon based dampening control
- Triple-roll surround and corrugated straight cone geometry
Specifications
- Nominal Diameter: 380/15 mm/inch
- Rated Impedance: 8 ohm
- Program Power: 1600 Watts
- Power handling capacity: 800 Watts
- Sensitivity: 97 dB
- Frequency Range: 30 - 1500
- Effective Piston Diameter: 340/13.4 mm/inch
- Max Excursion Before Damage (peak to peak): 52/2.1 mm/inch
- Minimum Impedance: 6.3 ohm
- Voice Coil Diameter: 100/4 mm/inch
- Voice Coil Material: Copper
- Voice Coil Winding Depth: 23/0.9 mm/inch
- Number of layers: 2
- Kind of layer: inside/outside
- Top Plate Thickness: 14/0.55
- Cone Material: No pressed pulp
- Cone Design: Straight
- Surround Material: Polycotton
- Surround Design: Triple roll
- Resonance frequency: Fs: 37 Hz
- DC resistance: Re: 5.0 ohm
- Mechanical factor: Qms: 4.9
- Electrical factor: Qes: 0.26
- Total factor: Qts: 0.25
- BL Factor: BL: 24 T · m
- Effective Moving Mass: Mms: 130 gr
- Equivalent Cas air load: Vas: 164 liters
- Effettive piston area: Sd: 0.091 m2
- Max. linear excursion (mathematical): Xmax: 8.0 mm
- Voice - coil inductance @ 1KHz: Le1K: 2.1 mH
- Half-space efficiency: Ef: 3.08 %
- Overall Diameter: 393/15.5 mm/inch
- Bolt Circle Diameter: 371 - 376 mm/inch
- Bolt Hole Diameter: 6.5/0.3 mm/inch
- Front Mount Baffle Cut-out: 352/13.9 mm/inch
- Rear Mount Baffle Cut-out: 360/14.2 mm/inch
- Depth: 158/6.2 mm/inch
- Volume occupied by the driver: 4.3 liters/ft3
- Net Weight: 12.6/27.7 Kg/Lbs
- Shipping Weight: 13.6/29.9 Kg/Lbs