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RCF L15/554K
15" Replacement Woofer

OUR PART #:  L15/554K

RCF's L15/554K is a high efficiency mid-bass woofer with good linearity.
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Our Price: $411.00
List Price: $580.00
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RCF L15/554K
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RCF's L15/554K is a high efficiency mid-bass woofer with good linearity.  A Kapton formed voice coil, polycotton suspensions and treated cone guarantee the high power handling of this transducer.

Features:

  • 4" fiberglass inside/outside copper voice coil
  • 1200W continuous program power handling
  • 99 dB Sensitivity
  • 40 Hz – 2 kHz Frequency range
  • M-roll damped surround
  • Exponential damped cone
  • Copper ring

Applications:

  • The L15-554K is designed to be mounted in compact size bass reflex enclosures.
  • The combination of voice coil length, low mass weight and suspensions control makes the L15-554K a good choice for high-powered 2-way systems.
  • Thanks to a high BL/Re ratio, small mechanical depth and a strong cone, the L15-554K is good solution for horn loaded or hybrid horn loaded system.

Specifications:

  • Nominal Diameter: 15" (380 mm)
  • Rated Impedance: 8 ohms
  • Program Power: 1200 Watts AES 
  • Power handling capacity: 600 Watts AES 
  • Sensitivity: 99 dB 
  • Frequency Range: 40 Hz ÷ 2000 Hz
  • Effective Piston Diameter: 12.8" (325 mm)
  • Max Excursion Before Damage (peak to peak): 1.73" (44 mm) 
  • Minimum Impedance: 7.9 ohm
  • Voice Coil Diameter: 4" (100 mm) 
  • Voice Coil Material: Copper 
  • Voice Coil Winding Depth: 0.6" (16 mm)
  • Number of layers: 2 
  • Kind of layer: inside / outside 
  • Top Plate Thickness: 0.35" (9 mm)
  • Cone Material: No pressed pulp 
  • Cone Design: Curved 
  • Surround Material: Polycotton 
  • Surround Design: M - roll
  • Net Weight 24.9 lbs (11.3 kg)
  • Shipping Weight: 26.0 lbs (11.8 kg)

THIELE SMALL PARAMETERS

  • Resonance frequency: 35 Hz 
  • DC resistance: 6.6 ohms
  • Mechanical factor: 8.6 
  • Electrical factor: 0.25 
  • Total factor: 0.24 
  • BL Factor: 23 T · m 
  • Effective Moving Mass: 91 gr 
  • Equivalent Cas air load: 227 liters 
  • Effective piston area: 0.083 m² 
  • Max. linear excursion (mathematical): 5.8 mm 
  • Voice - coil inductance @ 1kHz: 1.7 mH 
  • Half-space efficiency: 3.75 % 

MOUNTING INFORMATION:

  • Overall Diameter: 15.2" (387 mm) 
  • Bolt Circle Diameter:  14.6" (371 mm)
  • Bolt Hole Diameter: 0.3" (6.5 mm)
  • Front Mount Baffle Cut-out: 14.1" (358 mm)
  • Rear Mount Baffle Cut-out: 14.2" (362 mm)
  • Depth: 5.4" (138 mm) 
  • Volume occupied by the driver: 3.8 / 0.13 liters/ft³

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