lil more info for you guys....
The newly redesigned Alpha series subwoofer has set the bar for SQL subwoofers. The V.2 offers more X-max, increased thermal power handling with cleaner more authoritative low bass extension than the V.1. Like the original Alpha the V.2 sounds great while delivering huge SPL numbers.
Features
Available in 12/15/18” models
1500/2000 watts RMS power handling
Available in dual two ohm configurations
Extremely versatile subwoofer that can be used in SPL applications or sound quality installs
Flat wind voice coil option is available in both dual 1 and dual 2 ohm at a slightly higher cost, It increases the RMS power handling by 500 watts while also increasing the subwoofers efficiency
Paper cone that is heavily damped with long strand Kevlar fibers
Wide roll three layer surround foam
Dual 1” tall high power 120oz magnets
High excursion motor structure
Hot forged 25mm deep t-yoke
Spider bolted to basket
Cast basket
High temperature CA glue
Black anodized aluminum former
MSRP
12” = $479.00
15” = $559.00
18” = $659.00
Specifications
18" D2 18"D1fw 15" D2 15"D1fw 12" D2 12"D1fw
FS 22.6 HZ 33.9 HZ 31.9 HZ 38.27 HZ
RE 3.6 OHM 3.6 OHM 3.6 OHM 1.3 OHM
QMS 7.29 5.21 4.45 7.85
QES 0.568 0.522 0.35 0.226
QTS 0.527 0.4745 0.325 0.2193
RMS 14.01 10.27 9.245 7.52
CMS 0.068 MM/N 0.0874 MM/N .121 MM/N 0.0703 MM/N
MMS 719 G 251 G 205.41 245.1 G
BL 25.44 TM 19.22 TM 20.56 TM 18.5 TM
SPL@1W 88.79 DB 91.55 DB 89.89 DB 90.92 DB
VAS 153.74 L 98.94 L 52.35 L 30.374
XMAX 16 MM 16 MM 16 MM 16 MM
XCOIL 53 MM 53 MM 53 MM 53 MM
Cutout 419 mm 349 mm 279 mm
Mounting depth 247 mm 230 mm 198 mm
Displacement .4 cubic ft. .31 cubic ft. .22 cubic ft.
there thought id help out some