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BEYMA 18G40 - 18" HIGH POWER WOOFER |
EXCELLENT 18" SUBWOOFER WHEN YOU NEED A VERY DEEP WARM BASS SOUND DOWN TO 25HZ! |
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BEYMA 18G40 |
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No Longer Available |
WOOFER
MODEL |
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Specifications |
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Nominal
Basket Diameter |
18" |
Impedance |
8
ohms |
AES
Power Rating |
700
Watts |
Program Power |
1,400
Watts |
Frequency
Response |
25Hz
- 1.5kHz |
Sensitivity
(1W/1m) |
97dB |
Voice
Coil Diameter |
4" / 100mm |
Recom. Enclosure Volume | 2.8-7.0 ft3 / 80-200 Liters |
Voice Coil Length | 23 mm |
Air Gap Height | 9.5 mm |
X Damage (peak to peak) | 33 mm |
BL Factor | 22.5 N/A |
Magnetic Assembly Weight | 19.8 lb. / 9.0 kg. |
Mounting Information |
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Overall Diameter |
18.11" / 460mm |
Bolt Circle Diameter | 17.24" / 438mm |
Baffle Cutout Diameter- | |
- Front Mount | 16.34" / 415mm |
- Rear Mount | 15.75" / 400mm |
No. Of Mounting Holes | 8 |
Volume Displaced By Driver | 0.46 ft3 / 13 Liters |
Overall
Depth |
7.82" / 198.5mm |
Net Weight | 25.3 lb. / 11.5 kg. |
Shipping Weight | 28.6 lb. / 13 kg. |
Materials |
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Basket | Die Cast Aluminum |
Cone | Waterproof Paper Cone |
Surround | Treated Cloth |
Voice Coil | Edgewound Copper Wire |
Spider | Nomex/Polycotton Dual Spider |
Magnet | High Currie Temperature Ferrite |
Thiele-Small Parameters |
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Resonant Frequency (fs) | 31 Hz |
Impedance
(Re) |
5.9 ohms |
Coil Inductance (Le) | 3.0 mH |
Mechanical Q (Qms) | 12.7 |
Electrical Factor(Qes) | .42 |
Total Q (Qts) | .41 |
Comp. Equivalent Vol. (Vas) | 11.41 ft3 / 323 Liters |
Voice Coil Overhang (Xmax) | 7 mm |
Surface Area of Cone (Sd)m2 | 0.1300m2 |
Reference Efficiency | 2.2% |
Displacement Volume (Vd) | 910 cm3 |
L.F. Response: Bass Reflex Cabinet-Vb=150L, Fb=35Hz | |
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Frequency Response & Distortion Curves | |
Mounting Dimensions | |
US Speaker, LLC