12 SBS 150 MB

Very good Mid Bass transducer with prominent mid. Suitable for Sealed Enclosure.

Key Features
Program Power 300 W
Voice Coil 51.2 mm ( 2 in)
Response 53-6500 Hz
Sensitivity 1W/1M 93 dB


Nominal Diameter 314 mm
Nominal Impedance 16 Ω
Nominal Power Handling(AES) 150 W
Program Power 300 W
Sensitivity (1W/1m) 93 dB
Frequency Range 53-6500 Hz
Magnet Material Ferrite
Voice Coil Diameter 51.2 mm (2 in)
Winding Material COPPER
Former Material KAPTON
Winding Type Outside


Resonant Frequency FS 53 Hz
DC Resistance Re 11.5 Ω
Electrical Q Qes 0.75
Mechanical Q Qms 5.65
Total Q Qts 0.66
Compliance Equivalent Volume vas 63 Ltrs
Peak Diaphragm Displacement Volume Vd 0.22 Ltrs
Effective Surface Area of Cone Sd 518.7 cm^2
Reference Efficiency ƞo 1.19%
Moving Mass including air load Mms 54.08 gms
Motor Strength Bl 16.61 T-m
Voice Coil Inductance @ 1 KHz Le 1.68 mH
Efficiency Bandwith Product EBP
Voice Coil Overhang Xmax ±4.30 mm

Mounting Info

Overall Diameter 314 mm
Bolt Circle Diameter 296 mm
Baffle Cutout Diameter 282 mm
Depth 133 mm
Flange and Gasket Thickness 15 mm
Gross Weight 5.76 Kgs

Recone Kit

Recone Kit Number REC12SBS150MB
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