Got these, Phoenix Gold Titanium T15D was gonna slap a MTX 1501d per woof. These r all about SQL
Driver Properties
--Description--
Name: Ti15 DVC
Type: Standard one-way driver
Company: Phoenix Gold International
Piston: One Piece Grained Anodized Aluminum Diaphragm
Suspension: Rubber Surround, Optimized Cotton Spider
Dust Cap: Grained Anodized Aluminum
Frame: Cast Aluminum Basket
Voice Coil: 4-Layer, 2.5", Kapton Former
Terminals: Plated Binding Posts
Magnet: 102 oz., Y30, (Double stack)
--Configuration--
No. of Drivers = 1
Dual voice coils = parallel
--Mechanical Parameters--
Fs = 26.21 Hz
Qms = 9.26
Vas = 114.6 liters
Cms = 0.13 mm/N
Mms = 283.2 g
Rms = 5.044 kg/s
Xmax = 15.6 mm
Xmech = 31.2 mm
P-Dia = 316.7 mm
Sd = 0.0792 sq.m
P-Vd = 1.229 liters
--Electrical Parameters--
Qes = 0.69
Re = 1.75 ohms
Z = 2.1 ohms
BL = 10.89 Tm
--Electromech. Parameters--
Qts = 0.64
no = 0.288 %
1-W SPL = 86.75 dB
2.83-V SPL = 93.35 dB