|
BEYMA SM-118N - 18" SPEAKER |
THE BEYMA SM-118N HANDLES 800 WATTS W/ AN XMAX OF 7.25MM FOR TIGHT LOWS DOWN TO 40HZ! |
|
|
BEYMA SM-118N |
Item Price: $299.95 |
WOOFER
MODEL |
|
Specifications |
|
Nominal
Basket Diameter |
18" |
Impedance |
8
ohms |
AES
Power Rating |
400
Watts |
Program Power |
800
Watts |
Frequency
Response |
40Hz
- 4.0kHz |
Sensitivity
(1W/1m) |
97dB |
Voice
Coil Diameter |
3"
/ 77mm |
Recom. Enclosure Volume | 2.12-5.3 ft3 / 60-150 Liters |
Voice Coil Length | 17.5 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 |
18.2" / 462mm |
Bolt
Circle Diameter |
17.24" / 438mm |
Baffle Cutout Diameter | 16.34" / 415mm |
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) | 42 Hz |
Impedance
(Re) |
6.3 ohms |
Coil Inductance (Le) | 1.1 mH |
Mechanical Q (Qms) | 5.5 |
Electrical Factor(Qes) | .65 |
Total Q (Qts) | .58 |
Comp. Equivalent Vol. (Vas) | 7.27 ft3 / 206 Liters |
Voice Coil Overhang (Xmax) | 7.25 mm |
BL Factor | 18.3 N/A |
Effective Surface Area (Sd) | .1150m2 |
Diaphragm Mass (Mms) | 130 Grams |
Reference Efficiency | 2.3% |
Displacement Volume | 834 cm3 |
Frequency Response Graph |
|
![]() |
|
Impedance Graph |
|
![]() |
|
Mounting Dimensions | |
![]() |
US Speaker, LLC