LARGE 4.5" VOICE COIL W/ HIGH POWER HANDLING MAKE THIS A POPULAR 18" WOOFER!
SD-18
Item Price: $409.95
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P.Audio |
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SD SERIES - 18" WOOFER - SD-18 |
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LARGE 4.5" VOICE COIL W/ HIGH POWER HANDLING MAKE THIS A POPULAR 18" WOOFER! |
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SD-18 |
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Item Price: $409.95 |
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WOOFER
MODEL |
SD-18 |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
18" |
|
Impedance |
8
ohms |
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RMS
Power Rating |
800
Watts |
| Program Power | 1600
Watts |
|
Frequency
Response |
30Hz
- 1.5kHz |
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Sensitivity
(1W/1m) |
98dB |
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Voice
Coil Diameter |
4.5"
/ 114.3mm |
| Voice Coil Material | Anodized CCAW+fiberglass |
| Terminal Type | Gold Plated Push |
| Bobbin Material | Fiberglass |
| Basket | Cast Aluminum |
| Cone Material | Paper |
| Surround Material | Treated Cloth |
| Magnet Material | Ferrite |
| Net Weight | 15.32 kg. / 33.7 lbs. |
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MOUNTING INFORMATION |
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| Bolt
Circle Diameter |
17.72" / 450mm |
| No. Of Mounting Holes | 8 |
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THIELE-SMALL PARAMETERS |
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| Resonant Frequency (fs) | 33 Hz |
| Impedance
(Re) |
5.1 ohms |
| Coil Inductance (Le) | 1.95mH |
| Mechanical Q (Qms) | 7.11 |
| Electromagnetic Q (Qes) | .27 |
| Total Q (Qts) | .26 |
| Compliance Equivalent Vol. (Vas) | 264.3 Liters/10.41cu. ft. |
| Voice Coil Overhang (Xmax) | 5.0mm |
| BL Factor (BL) | 35.8 |
| Surface Area of Cone (Sd) | .125m2 |
| Reference Efficiency | 3.42% |
US Speaker, LLC