BEYMA 18G550 -18" HIGH POWER WOOFER 

THE BEYMA 18G550 IN A 5.3 CU. FT. CABINET IS -3DB AT 41HZ!

Beyma 18G550

Item Price: $389.95

WOOFER MODEL

18G550

Specifications

Nominal Basket Diameter

18" / 460mm

Impedance

8 ohms

AES Power Rating

900 Watts

Program Power  1,800 Watts  

Frequency Response

35Hz - 1.5kHz

Sensitivity (1W/1m)

97dB

Voice Coil Diameter

4.5" / 114mm

Recom. Enclosure Volume 2.8-7.0 ft3  /  80-200 Liters
Voice Coil Length 25 mm
Air Gap Height 12 mm
X Damage (peak to peak) 40 mm
BL Factor 23.4 N/A
Magnetic Assembly Weight 25.3 lb. / 11.5 kg.

Mounting Information

Overall Diameter 18.19" / 462mm
Bolt Circle Diameter 17.24" / 438mm
Baffle Cutout Diameter-  
- Front Mount 16.34" / 415mm
- Rear Mount 16.73" / 425mm
No. Of Mounting Holes 8
Overall Depth 8.07" / 205mm
Net Weight 27.78 lb. / 12.63 kg.
Shipping Weight 31.97 lb. / 14.5 kg.

Materials

Basket

Die Cast Aluminum

Cone Paper
Surround Plasticised Cloth
Voice Coil Edgewound Copper Ribbon
Magnet Ferrite

Thiele-Small Parameters

Resonant Frequency (fs) 33 Hz
Impedance (Re) 5.6 ohms
Coil Inductance (Le) 1.8 mH
Mechanical Q (Qms) 7.0
Electrical Factor(Qes) .42
Total Q (Qts) .4
Comp. Equivalent Vol. (Vas)

10.24 ft3 / 290 Liters

Voice Coil Overhang (Xmax) 10.0 mm
Diaphragm Mass (Mms) 204 Grams
Surface Area of Cone (Sd)m2 0.1320m2
Reference Efficiency 2.25%
Displacement Volume (Vd) 1320 cm3
Frequency Response & Distortion Curves

Beyma 18G550 Frequency

Impedance Curve
Beyma 18G550 Impedance

Mounting Dimensions

Beyma 18G550 Mounting

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