BEYMA 18P80/ND - NEODYMIUM 18" HIGH EFFICIENCY WOOFER
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BEYMA 18P80/ND - NEODYMIUM 18" HIGH EFFICIENCY WOOFER |
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HIGH 100DB SPL, COMBINATION CARBON FIBER & PAPER CONE, HANDLES 800 WATTS AES! |
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No Longer Available |
| WOOFER MODEL |
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Specifications |
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Nominal
Basket Diameter |
18" |
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Impedance |
8 ohms |
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AES
Power Rating |
800 Watts |
| Program Power | 1,600 Watts |
| Frequency Response | 25Hz - 4.0kHz |
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Sensitivity
(1W/1m) |
100dB SPL |
| Voice Coil Diameter | 4" / 100mm |
| Recom. Enclosure Volume | 2.8-7.0 ft3 / 80-200 Liters |
| Voice Coil Length | 20 mm |
| Air Gap Height | 12 mm |
| X Damage (peak to peak) | 52 mm |
| BL Factor | 21.9 N/A |
| Magnetic Assembly Weight | 10.16 lb. / 4.62 kg. |
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Mounting Information |
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| Overall Diameter | 18.11" / 460mm |
| Bolt Circle Diameter | 17.24" / 438mm |
| Baffle Cutout Diameter- | |
| - Front Mount | 16.26" / 413mm |
| - Rear Mount | 15.75" / 400mm |
| No. Of Mounting Holes | 8 |
| Volume Displaced By Driver | 0.46 ft3 / 13 Liters |
| Overall Depth | 7.99" / 203mm |
| Net Weight | 15.4 lb. / 7 kg. |
| Shipping Weight | 18.7 lb. / 8.5 kg. |
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Materials |
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| Basket | Die Cast Aluminum |
| Cone | Carbon Fiber Reinforced Paper |
| Surround | Treated Cloth |
| Voice Coil | Edgewound Copper Ribbon |
| Magnet | Neodymium |
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Thiele-Small
Parameters |
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| Resonant Frequency (fs) | 30 Hz |
| Impedance (Re) | 5.1 ohms |
| Coil Inductance (Le) | 1.9 mH |
| Mechanical Q (Qms) | 11.55 |
| Electrical Factor (Qes) | .29 |
| Total Q (Qts) | .29 |
| Comp. Equivalent Vol. (Vas) | 14.5 ft3 / 411 Liters |
| Voice Coil Overhang (Xmax) | 7.5 mm |
| Surface Area of Cone (Sd)m2 | 0.1225m2 |
| Reference Efficiency | 3.7% |
| Displacement Volume (Vd) | 918 cm3 |
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Frequency Response & Distortion Curves |
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| Free Air Impedance Curve | |
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Mounting Dimensions |
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US Speaker, LLC
