Description
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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Available Rebates for RCF LN19S400 Ultra-Lightweight Neodymium Subwoofer - 19"
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