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 |
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