MODEL DELTA 218B
Max SPL (Calculated)  
dB SPL @ Peak Rated Power 138dB
LF Size 470mm / 18"
LF Power (Continuous RMS) 800w
LF Sensitivity (Free Field 1W @ 1M) 99dB
LF Voice Coil 101.6mm / 4"
LF Cone Material Paper
LF Voice Coil Material Copper
LF Voice Coil Former Material Fibre Glass
LF Basket Material Aluminium
LF Basket Type Die-Cast
LF Magnet Structure Mass 2.69Kg / 5.918lbs
LF Magnet Structure Material Ferrite
Enclosure Material & Thickness 18mm Plywood
Enclosure Finish RHINO ROCK
Grille Material & Finish 1.5mm Steel
Colour Black
Handles 4 On Sides
Input Connector Type 2x Speakon
HPF Output Connector Type N/A
Net Weight 78.9Kg/ 173.9lbs
Gross Weight 86.0Kg/ 189.6lbs
Dimensions (Unpacked)  
H 541mm / 21.3"
W FRONT/REAR 1041mm / 41"
D 650mm / 25.6"
Dimensions (Packed)  
H 626mm / 24.6"
W FRONT/REAR 1126mm / 44.3"
D 722mm / 28.4"
CBM 0.51
General Parameters  
System Type Dual Chamber Subwoofer
Frequency Response (Bi-Amp) (+/- 3dB) 30-1.5KHz
Sensitivity  
dB (1W @ 1M) 100dB
Parallel  
Continuous 1600W
Programme 3200W
Peak 6400W
Nominal Impedance (Ohms) 4Ohm
Discrete  
Continuous 800W
Programme 1600W
Peak 3200W
Nominal Impedance (Ohms) 8Ohm x2