SF-18X451
18" Sub-Woofer (Bass), 1500 Watts
-
18 inch Low Frequency speaker with minimum power compression and incredible power handling
-
Dual Forced Hyperventing System guarantees a very efficient voice coil ventilation
-
Best choice for LONG-THROW PUNCH
-
Dual Spider designed with Silicon based damping control
-
Delivers deep, powerful bass in compact bass reflex as well as horn loaded sub-woofer design
The SF-18X451 features a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround; this combination provides remarkable strength and an incredibly linear frequency response characteristic
Ideal for: Scoop Bins, conventional reflex cabinets, horn loaded systems and in a wide variety of professional sub-woofer applications
4.5 inch
Voice Coil
97.0 dB
Sensitivity
1500 Watts
Power
8 Ω
Impedance
Additional Info
General Specifications
Your Subtitle Goes Here
3
Nominal Diameter | : 18.0 inches |
Nominal Power Handling | : 1500 Watts |
Continous Power Handling | : 3000 Watts |
Voice Coil Size | : 4.5” / 114.3 mm |
Winding Type | : Inside - Outside |
Winding Material | : Copper |
Chassis Material | : Diecast Aluminium |
Cone Surround | : Triple Roll |
Spider | : Dual spider |
Technical Specifications
Your Subtitle Goes Here
Nominal Impedance | : 8 Ω |
Minimum Impedance | : 6.8 Ω |
Frequency | : 30 Hz ~ 1 kHz |
Magnet Size | : 253 * 140 * 30 mm |
Magnet Type | : Ferrite |
Magnet Grade | : Y35 |
Sensitivity | : 97.0 dB |
Flux Density | : 1.12 T |
Thiele - Small Parameters
Your Subtitle Goes Here
3
Resonance Frequency (Fs) | : 30 Hz |
DC Resistance (Re) | : 5.4 Ω |
Electrical Factor | : 0.29 Qes |
Mechanical Factor | : 6.7 Qms |
Total Factor | : 0.28 Qts |
Equivalent Cas Air Loaded (Vas) | : 220.0 dm³ (7.77 ft³) |
Effective Piston Area (Sd) | : 1200.0 cm² (186.0 in²) |
Voice coil Inductance @ 1kHz (Le) | : 1.38 mH |
Max. Linear Excursion (Xmax) | : ± 14.0 mm |
Usable Escues (Xvar) | : ± 15.5 mm |
Effective Moving Mass (Mms) | : 260.0 g |
BI Factor (BI) | : 30.5 T x m |
Dimensions & Mounting Information
Your Subtitle Goes Here
Overall Diameter | : 465 mm (18.3 in) |
Bolt Circle Diameter | : 445 mm (17.5 in) |
Baffle Cut-Out Diameter | : 424 mm (16.7 in) |
Depth | : 212 mm (8.35 in) |
Volume Occupied | : 6.5 litres (0.26 ft³ ) |
Net Weight | : 16.9 kg |
Shipping Weight | : 19.5 kg |