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Everything In Music Since 1958
Everything In Music Since 1958

RCF L18P400 18-Inch 2000-Watt Replacement Woofer

by RCF
Original price $0.00 - Original price $0.00
Original price $0.00
$469.00 - $469.00
Current price $469.00
► New - ♫ In stock
► Open Box - ♫ In stock
Condition: New
About Inventory Status

Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions

Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

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Get Low Harmonic Distortion with the RCF L18P400 18-Inch 2000-Watt Replacement Woofer

Incredibly linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-inch transducer within its application range. The L18P400 uses a fiber loaded cone assembly along with a high excursion triple roll, constant geometry surround. A fully optimized T-pole design generate the minimum amount of flux modulation. 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.

  • 4-inch, fiberglass inside/outside copper voice coil
  • 2000 W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
  • Aluminum demodulation ring
  • Forced air ventilation and 15 mm top plate for minimum power compression
  • Dual spider design with silicon based dampening control
  • Triple-roll surround and corrugated straight cone geometry


  • Nominal Diameter: 18 inch / 457 mm
  • Program Power: 2000 W
  • Sensitivity: 97.5 dB
  • Effective Piston Diameter: 395 / 15.55
  • Minimum Impedance: 6.5 ohms
  • Voice Coil Winding Material: Copper
  • Number of Layers: 2
  • Top Plate Thickness: 15 mm / .59 inch
  • Surround Material: Polycotton
  • Magnets: Ceramic
  • Spider Dual with silicon based damping control
  • Rated Impedance: 8 ohm
  • Power Handling Capacity: 1000 W
  • Frequency Range: 25 - 1000 Hz
  • Max. Excursion Before Damage: 50 mm / 1.97 inch
  • Voice Coil Diameter: 4 inch / 102 inch
  • Voice Coil Length: 25 mm / .98 inch
  • Kind of Layers: Inside / outside
  • Cone Design: Straight
  • Surround Design: Triple roll
  • Dual-Force Air Ventilation: Yes

Thiele - Small Parameters

  • Resonance Frequency (FS): 29 Hz
  • Mechanical Factor: 7.60
  • Total Factor: .28 Qts
  • Effective Moving Mass (MMS): 200 G
  • Effective Piston Area (SD): .12 m2
  • Voice Coil Inductance at 1 KHz (LE1K): 1.20 mH
  • DC Resistance (RE): 5.1 ohm
  • Electrical Factor (QES): .29 Qes
  • BL Factor (BL): 24.6 T x m
  • Equivalent Cas Air Loaded (VAS): 340 liters
  • Max. Linear Excursion (XMAX): 9 mm
  • Half-Space Efficiency (EFF): 2.63 %

Mounting Information

  • Overall Diameter: 465 mm / 18.31
  • Bolt Hole Diameter: 7 mm / .28 inch
  • Rear Mount Baffle Cut-Out: 425 mm / 16.73
  • Bolt Circle Diameter: 442-447 mm / 17.4-14.6
  • Front Mount Baffle Cut-Out: 424 mm / 16.69
  • Volume Occupied by the Driver: 6 liters / .24 ft

Standard Compliance

  • CE Marking: Yes


  • Weight: 13.5 kg / 29.76 pounds
  • Diameter: 465 mm / 18.31 inches
  • Height: 206 mm / 8.11

Shipping Information

  • Package Width: 520 mm / 20.47 inches
  • Package Height: 207 mm / 10.63
  • Package Weight: 15.5 kg / 34.17
  • Package Depth: 500 mm / 10.69

Manufacturer: RCF
Model: L18P400
SKU: I303211-7-WHXA

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