DD Audio DVC DD-818-D2
Power Range: 1000-2000 RMS, 6000 Peak
Voice coil diameter: 4″, USA made, aluminum wire on aluminum former.
Motor size: triple stack magnet, CnC 15mm top plate, double vented, outer shorting ring.
Excursion: 75mm
Spiders: Built-in double lead wire, progressive roll, 5 layers.
Cone/surround: Nonpressed synthetic pulp, EROM surround with red stitching.
Net weight: 52 pounds, 23.7 kilos
The 800 series woofers features:
Double Stitched EROM Surrounds
High-temp 4.0″ all aluminum voice coils
1000w-2000w RMS, 6000w Peak
9 layer laminated spiders
Non-pressed paper cones
Cast aluminum basket with cooling vents
10-AWG Direct Connect Leads
Back plate coil gap venting
3-Way cooling
Extended pole piece
325oz triple stack magnet
The 800 series will be offered in 12″, 15″, and 18″ basket sizes with your choice of dual 1 ohm or dual 2 ohm voice coils.
Specifications
Continuous Power Range: 1000-2000 watts
Burst Power: 6000 watts
Impedance Options: D1.0 Ohm/ D2.0 Ohm
Suspension Type: Triple stack 9 layer composite
Woofer Diameter: 18″
Coil Diameter: 4″
Magnet Weight: 325 oz
*SPL: 91.34 dB @ 1w/1m
Fs: 34.32 Hz
QTS: .517
Qes: .574
Qms: 5.197
VAS: 4.41 cubic feet
**Xmax: 18 mm
2-Way Suspension Travel: 80mm
Displacement: .27 cubic feet
Frame OD w/ gasket: 18.5625″
A – Frame OD w/o gasket: 18.25″
B – Cutout Diameter: 16.6875″
C – Mounting Depth: 10.25″
D – Motor Diameter: 9.5″
E – Motor Height: 3.75″
F – Surround Height: 1.25″
Shipping Weight: 59.1 lbs