Fane Pro Audio – Sovereign Pro 12BM Sub Bass Driver


The Sovereign Pro 12BM is intended for use in two-way ported enclosures. The driver combined with Fane compression driver and horn offers excellent tonal character throughout its active bandwidth. The unit features die-cast chassis with long throw motor system and high linearity suspension allowing solid bass reproduction at high-power levels. The specially formulated cone pulp allows this driver to give a warm and smooth response throughout the bass frequency range. The Sovereign Pro 12BM is designed for use in 35 to 60 Litre ported enclosures and features a 3 inch voice coil, 500 Watt power handling and 96 dB sensitivity.

  • Please enquire about alternative impedances.
  • A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 45 Hz and 450Hz. Driver mounted in free air, test signal applied at rated power for two hours.
  • Please note that the frequency response measurements are supplied for comparison only and are not a measure of the low frequency performance which may be achieved in a fully optimised system.
SKU: SOVEREIGN PRO 12BM Categories: , ,



  • Suitable for horn loaded / bandpass applications producing warm, punchy bass.
  • Ideal for two way ported enclosures when combined with Fane high frequency devices.
  • Strong rigid cone allowing undistorted bass at high SPL.
  • Single roll rubber surround.

Additional information



Electro Acoustic Specifications

Nominal Chassis Diameter 12″ / 304.8 mm
Impedance 8 Ω
Power Handling 500 W (A.E.S.)
Peak Power (6dB Crest Factor) 2000 W (A.E.S.)
Usable Frequency Range (-6dB) 40Hz – 3.5 Hz
Sensitivity (1W – 1m) Wideband 95 dB
Moving Mass (inc. Air Load) 86 grams
Minimum Impedance (Zmin) 7.3 Ω
Effective Piston Diameter 10″ / 254mm
Magnet Weight 88 oz
Magnetic Gap Depth 0.39″ / 9.91 mm
Flux Density 1.15 Tesla
Coil Winding Height 0.73″ / 18.54 mm
Voice Coil Diameter 3.0″ / 76.2 mm
Speaker Type Sub Bass Driver
Speaker Series The Professional Series
Program Power 1000 W (A.E.S.)
Sensitivity (1W / 1m) Working band

Thiele Small Parameters (TSPs)

FS 41 Hz
Re 3.4 Ω
QMS 1.902
QES 0.231
QTS 0.206
Vas 65.33 Litres
Vd 0.393 Litres
CMS 0.176 mm/N
BL 18 T/m
MMS 85 grams
Xmax 7.7 mm
Sd 510 cm2
Effeciency 1.87%
Le 1.89 mH
EBP 177.49 Hz

Materials of Construction

Coil Former Material Glass Fibre
Voice Coil Material Copper
Magnet Material Ferrite
Chassis Material Die-cast Aluminium
Cone Material Paper
Surround / Edge Termination Rubber Roll
Dust Dome Material Paper
Connectors Push-button Spring Terminals
Polarity Positive voltage at red terminal causes forward motion of cone

Mounting / Shipping Information

Overall Diameter 13″ / 330.2 mm
Width Across Flats 12.19″ / 309.62 mm
Flange Height 0.305″ / 7.8 mm
Baffle Hole Diameter F/M 11.03″ / 280.16 mm
Baffle Hole Diameter R/M 10.13″ / 257.30 mm
Gasket Supplied Front & Rear
Outer Fixing Holes 4x ø 0.218″ on 12.5″ PCD / 4x ø 5.5 mm on 317.5 mm PCD
Inner Fixing Holes Not Applicable
Depth 5.79″ / 147.07 mm
.2Weight 19.18 lb / 8.7 Kg
Recommended Enclosure Volume 30 – 60 Litres
Shipping Weight 20.9 lb / 9.48 Kg
Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
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