All Adire Audio Shiva Series Subwoofers feature: ~ Hi Temp 2” Round Wound Copper Voice Coils ~ Non Pressed Paper Cone with Poly Dust Cap ~ Single Progressive Spider w/ Heavy Duty Lead Wires ~ Grade Y35 Ferrite Magnet Motor Structure w/ Vented Pole ~ 500W RMS Power Rating ~ Hand built in the U.S.A. ~ Avalilable in Dual 4 Ohm Voice Coils
Thiele-Small Parameters |
|
Shiva 12" |
Coils |
Dual 4 |
Fs |
21.4 Hz |
Re |
7.89 Ohm (VC wired in series) |
Qms |
10.76 |
Qes |
0.32 |
Qts |
0.31 |
Mms |
128.23g |
Cms |
0.43 mm/N |
Sd |
506.7cm^2 |
Vas |
157.26 L |
SPL |
88.83 dB 1W-1m @ Re |
88.89 dB 1W-1m @ Zn |
Bl |
20.58 Tm |
Xmax |
16 mm (One Way) |
RMS |
350W - Program Prower |
500W - Thermal |
|
|
Technical Specifications |
|
Shiva 12" |
Overall Diameter |
12.5" |
Cutout Diameter |
11.125" |
Mounting Depth |
n/a |
Driver Displacement |
.1 ft^3 |
Sealed Enclosure |
QTC .6 - 2 ft^3 |
QTC .707 - 1.32 ft^3 |
QTC .8 - .97 ft^3 |
QTC .9 - .75 ft^3 |
QTC 1 - .59 ft^3 |
Ported Enclosure |
2.0-2.35 ft^3 @ 28-30 Hz |
Port Area: 36 Sq Inches |