Beyma SM108 - 8OHM

Nominal Basket Diameter

8" / 200mm

Impedance

8 ohms

AES Power Rating

150 Watts

Program Power 300 Watts  

Frequency Response

70Hz - 6.0kHz

Sensitivity (1W/1m)

95dB

Voice Coil Diameter

2" / 51.7mm

Recom. Enclosure Volume.35-1.06 ft3  /  10-30 Liters

Voice Coil Length15 mm

Air Gap Height7 mm

X Damage (peak to peak)22 mm

BL Factor (T-M)14

Magnetic Assembly Weight6.17 lb. / 2.8 kg.

Mounting Information

Overall Diameter

8.35" / 212mm

Bolt Circle Diameter

7.81" / 198.3mm

Baffle Cutout Diameter

7.07" / 179.5mm

No. Of Mounting Holes

8

Volume Displaced By Driver0.056 ft3  /  1.5 Liters

Overall Depth

3.7" / 94mm

Net Weight6.83 lb. / 3.1 kg.

Shipping Weight

7.16 lb. / 3.25 kg.

Materials

Basket

Die Cast Aluminum

Cone

High Stiffness Paper

SpiderCotton

Metal PartsAnti-Corrosion Coated

Surround

Treated Cloth

Voice Coil

Copper

FormerFiberglass

MagnetHigh Curie Temperature Ferrite

Thiele-Small Parameters

Resonant Frequency (fs)

71 Hz

Impedance (Re)

6.2 ohms

Coil Inductance (Le).9 mH

Mechanical Q (Qms)

3.8

Electrical Factor(Qes).35

Total Q (Qts)

.32

Comp. Equivalent Vol. (Vas)

0.51 ft3 / 14.4 Liters

Voice Coil Overhang (Xmax)

6.0 mm

Diaphragm Mass (Mms)24 Grams

Effective Surface Area (Sd).0220m2

Reference Efficiency1.4%

Displacement Volume132 cm3