Beyma SM112N - 8OHM

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Dela

Specifications

Nominal Basket Diameter
12" / 300mm
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" / 76.2mm
Recom. Enclosure Volume1.06-3.5 ft3  /  30-100 Liters
Voice Coil Length17.5 mm
Air Gap Height7 mm
X Damage (peak to peak)30 mm

Mounting Information

Overall Diameter12.3" / 312mm
Bolt Circle Diameter11.6" / 294.5mm
Baffle Cutout Diameter- 
- Front Mount10.9" / 278mm
No. Of Mounting Holes8
Volume Displaced By Driver0.14 ft3  /  4 Liters
Overall Depth5.3" / 134mm
Net Weight12.4 lb. / 5.6 kg.
Shipping Weight13.9 lb. / 6.3 kg.

Materials

BasketDie Cast Aluminum
ConePaper
SurroundTreated Cloth
Voice CoilCopper
MagnetFerrite

Thiele-Small Parameters

Resonant Frequency (fs)40 Hz
Impedance (Re)6.2 ohms
Coil Inductance (Le)1.2 mH
Mechanical Q (Qms)8
Electrical Factor (Qes).31
Total Q (Qts).3
Comp. Equivalent Vol. (Vas)4.13 ft3 / 117 Liters
Moving Mass (Mms)58 Grams
Voice Coil Overhang (Xmax)7.25 mm
BL Factor17 N/A
Effective Surface Area (Sd).055m2
Reference Efficiency2.1%
Displacement Volume398 cm3