BEYMA SM-118N - 18" WOOFER 

800 WATTS W/ AN XMAX OF 5.5MM FOR TIGHT LOWS DOWN TO 30HZ!

Beyma SM118N

BEYMA SM-118N

Item Price: $219.95

Blowout Sale Price $159.95

WOOFER MODEL  - SM-118N

Specifications

Nominal Basket Diameter

18" / 460mm

Impedance

8 ohms

AES Power Rating

400 Watts

Program Power  800 Watts  

Frequency Response

30Hz - 3.0kHz

Sensitivity (1W/1m)

97dB

Voice Coil Diameter

3" / 77mm

Recom. Enclosure Volume 2.12-5.3 ft3  /  60-150 Liters
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.

Mounting Information

Overall Diameter 18.11" / 460mm
Bolt Circle Diameter 17.24" / 438mm
Baffle Cutout Diameter-  
- Front Mount 16.34" / 415mm
- Rear Mount 16.22" / 412mm
No. Of Mounting Holes 8
Volume Displaced By Driver 0.26 ft3  /  7 Liters
Overall Depth 7.36" / 187mm
Net Weight 15.43 lb. / 7 kg.
Shipping Weight 17.63 lb. / 8 kg.

Materials

Basket Die Cast Aluminum
Cone High Stiffness Paper
Spider Cotton
Metal Parts Anti-Corrosion Coated
Surround Treated Cloth
Voice Coil Copper Round Wire - Apical Former
Magnet High Curie Temperature Ferrite

Thiele-Small Parameters

Resonant Frequency (fs) 32 Hz
Impedance (Re) 6.4 ohms
Coil Inductance (Le) 1.1 mH
Mechanical Q (Qms) 10.22
Electrical Factor(Qes) .54
Total Q (Qts) .51
Comp. Equivalent Vol. (Vas) 14.27 ft3 / 404 Liters
Voice Coil Overhang (Xmax) 5.5 mm
Effective Surface Area (Sd) .088m2
Reference Efficiency 2.4%
Displacement Volume 630 cm3

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