Aftermarket 18″Woofer Speaker with 4″Voice Coil at 4 Ohms. Mackie SWA1801 & SWA 1801Z (Speaker Only). P/N 0012184, LC 18/4003-4. High BL Low Frequency driver with deep, punchy bass. 4 Diameter inside/outside copper voice coil on fiberglass Former. Forced air ventilation and 15 mm top plate for minimum power compression. Dual spider design with silicon-base damping control. Triple roll surround and corugated straight cone geometry. Good sensitivity, low distortion, extraordinary definition. Frequency Response : 25hz – 1000hz. Sensitivity : 95.5db 2.83v/1m. Voice Coil Diameter : 4. Voice Coil Material : Copper. Voice Coil Winding Depth : 1(25mm). Number of layers : 2. Top Plate thickness : 0.6(15mm). Cone material : No Pressed pulp. Surround Material : Poly Cotton. Surround Design : Triple Roll. Mechanical Factor : 7.6. Electrical Factor : 0.29. Total Factor : 0.28. BL Factor : 24.6T. Effective Moving Mass : 200g. Equivalent Cas air Load : 340 liters. Effective Piston area : 0.122M2. Linear Excursion(mathematical) 8.8m. Voice Coil induction at 1KHz : 2,5mH. Half space efficiency :2.63%. The item “Replacement Speaker For Mackie SWA-1801, SWA-1801Z Sub-Woofer 18 Speaker 4 Ohms” is in sale since Monday, November 7, 2016. This item is in the category “Musical Instruments & Gear\Pro Audio Equipment\Speaker Drivers & Horns”. The seller is “zxpc” and is located in Miami, Florida. This item can be shipped worldwide.
- Model: Mackie SWA1801, SWA1901Z
- Suited For: Woofer Frequencies
- Type: Sub-Woofer
- MPN: Mackie SWA1801,
- Brand: LASE