BEYMA SM-118 - 18" HIGH POWER WOOFER
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BEYMA SM-118 - 18" HIGH POWER WOOFER |
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500 WATTS W/ AN XMAX OF 5.5MM FOR TIGHT LOWS DOWN TO 30HZ! |
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BEYMA SM-118 |
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No Longer Available |
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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 |
250
Watts |
| Program Power |
500
Watts |
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Frequency
Response |
30Hz
- 3.0kHz |
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Sensitivity
(1W/1m) |
97.5dB |
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Voice
Coil Diameter |
3"
/ 77mm |
| Recom. Enclosure Volume | 2.23-5.3 ft3 / 80-150 Liters |
| BL Factor (BL) | 18.2 N/A |
| Voice Coil Length | 18 mm |
| Air Gap Height | 7 mm |
| X Damage (peak to peak) | 30 mm |
| Magnetic Assembly Weight | 11.0 lb. / 5.0 kg. |
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Mounting Information |
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| Overall Diameter |
18.11" / 460mm |
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Bolt
Circle Diameter |
17.24" / 438mm |
| Baffle Cutout Diameter- | |
| - Front Mount | 16.34" / 415mm |
| - Rear Mount | 16.22" / 412mm |
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No.
Of Mounting Holes |
8 |
| Volume Displaced By Driver | 0.26 ft3 / 7 Liters |
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Overall
Depth |
7.16" / 182mm |
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Net
Weight |
15.43 lb. / 7 kg. |
| Shipping Weight | 17.63 lb. / 8 kg. |
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Materials |
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| Basket | Die Cast Aluminum |
| Cone | Paper |
| Surround | Plasticised Cloth |
| Voice Coil | Copper Round Wire |
| Magnet | Ferrite |
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Thiele-Small
Parameters |
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| Resonant Frequency (fs) | 35 Hz |
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Impedance
(Re) |
6.4 ohms |
| Coil Inductance (Le) | 1.1 mH |
| Mechanical Q (Qms) | 10.22 |
| Electrical Factor(Qes) | .51 |
| Total Q (Qts) | .49 |
| Comp. Equivelant Vol. (Vas) | 11.76 ft3 / 333 Liters |
| Voice Coil Overhang (Xmax) | 5.5 mm |
| Effective Surface Area (Sd) | .01146m2 |
| Reference Efficiency | 2.8% |
| Displacement Volume | 630 cm3 |
US Speaker, LLC
