BEYMA 18P80/ND - NEODYMIUM 18" HIGH EFFICIENCY WOOFER 

HIGH 100DB SPL, COMBINATION CARBON FIBER & PAPER CONE, HANDLES 800 WATTS AES!

Beyma 18P80Nd

Item Price: $499.95

WOOFER MODEL 18P80/ND

Specifications

Nominal Basket Diameter 18" / 460mm
Impedance 8 ohms
AES Power Rating 800 Watts
Program Power 1,600 Watts
Frequency Response 25Hz - 4.0kHz
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.

Mounting Information

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.

Materials

Basket Die Cast Aluminum
Cone Carbon Fiber Reinforced Paper
Surround Treated Cloth
Voice Coil Edgewound Copper Ribbon
Magnet Neodymium

Thiele-Small Parameters

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. Equivelant 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

Frequency Response & Distortion Curves

Free Air Impedance Curve

Mounting Dimensions

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