Description
RCF LN19S400 Ultra-Lightweight Neodymium Subwoofer – 19″
The RCF LN19S400 is a high-performance 19-inch low-frequency transducer designed for extended excursion and exceptional transient response. Featuring a 4.0-inch 4-layer copper-clad aluminum wire voice coil on a fiberglass former, this woofer combines lightweight design with high power handling. Its triple-roll surround, exponential cone geometry, and Hypervented neodymium magnetic structure ensure precise, distortion-free bass with minimized power compression-ideal for professional vented subwoofer enclosures.
Product Specifications:
Nominal Diameter: 19″
Rated Impedance: 8 ohm
Program Power: 3000 W
Power Handling (AES): 1500 W
Sensitivity: 98.5 dB
Frequency Range: 25 Hz – 1 kHz
Voice Coil & Motor
Voice Coil Diameter: 4.0″
Voice Coil Material: Copper-Clad Aluminum (CCAW)
Voice Coil Length: 1.65″
Winding Type: Inside/Outside, 4 layers
Top Plate Thickness: 0.63″
Magnet: Neodymium
Demodulation Rings: 1 (Aluminum)
BL Factor: 32.00 T·m
Inductance (1 kHz): 3.40 mH
Mechanical
Cone: Fiber-loaded, curved design
Surround: Triple-roll polycotton
Max Excursion (Before Damage): 2.32″
Xmax (Linear Excursion): 0.67″
Thiele-Small Parameters
Resonance Frequency (Fs): 32 Hz
DC Resistance (Re): 4.70 ohm
Qms: 4.00
Qes: 0.27
Qts: 0.26
Moving Mass (Mms): 296 g
Vas: 204 L
Sd: 0.132 m²
Efficiency (Half-space): 2.37%
Mounting Information (Inches)
Overall Diameter: 18.9″
Bolt Circle Diameter: 18.11–18.19″
Bolt Hole Diameter: 0.28″
Baffle Cut-out (Front/Rear): 17.56″
Driver Depth (Height): 9.13″
Driver Volume Occupied: 0.39 ft³
Dimensions & Weight
Height: 9.13″
Diameter: 18.9″
Cut-out Diameter: 17.56″
Weight: 22.49 lbs
Package (H x W x D): 11.42″ x 19.88″ x 20.28″
Shipping Weight: 24.03 lbs
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