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
Financing Options
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.