SOVEREIGN 12-300

Bass / Mid Range Driver

£POA

RRP Inc. VAT

AVAILABILITY : IN STOCK

Please enquire about alternative impedances.
A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 50 Hz and 500 Hz. 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.

Electro Acoustic Specifications
Nominal Chassis Diameter	12" / 304.8 mm
Impedance	4 /8 /16 Ω
Power Handling	300 W (A.E.S.)
Peak Power (6dB Crest Factor)	1200 W (A.E.S.)
Usable Frequency Range (-6dB)	45 Hz - 4.5 kHz
Sensitivity (1W - 1m) Wideband	97.5 dB
Moving Mass (inc. Air Load)	43 grams
Minimum Impedance (Zmin)	6.84 Ω
Effective Piston Diameter	10.31" / 261.87 mm
Magnet Weight	56 oz
Magnetic Gap Depth	0.39" / 10 mm
Flux Density	1.1 Tesla
Coil Winding Height	0.70" / 18mm
Voice Coil Diameter	2.5" / 63.5 mm
Speaker Type	Bass / Mid Range Driver
Speaker Series	The Sovereign Series
Program Power	600 W (A.E.S.)
Sensitivity (1W / 1m) Working band

Thiele Small Parameters (TSPs)
FS	46 Hz
Re	5.75 Ω
QMS	5.2
QES	0.375
QTS	0.35
Vas	110 Litres
Vd	0.24 Litres
CMS	0.278 mm/N
BL	14 T/m
MMS	43 grams
Xmax	4.5 mm
Sd	530 cm²
Efficiency	2.75%
Le	1.64 mH
EBP	122.67 Hz

Materials of Construction
Coil Former Material	Glass Fibre
Voice Coil Material	Copper
Magnet Material	Ferrite
Chassis Material	Pressed Steel
Cone Material	Curvilinear Paper
Surround / Edge Termination	Polyvinyl Damped Multi Roll. Poly Cotton
Dust Dome Material	Paper
Connectors	Solder Tag
Polarity	Positive voltage at red terminal causes forward motion of cone

Mounting / Shipping Information
Overall Diameter	12" / 304.8 mm
Width Across Flats	N/A
Flange Height	0.27" / 6.9 mm
Baffle Hole Diameter F/M	11.25" / 285.75 mm
Baffle Hole Diameter R/M	11.25" / 285.75 mm
Gasket Supplied	Front & Rear
Outer Fixing Holes	8x ø 7.0 mm on 11.75" / 298 mm PCD
Inner Fixing Holes	Not Applicable
Depth	5.43" / 137.92 mm
Weight	11.02 lb / 5.0 Kg
Recommended Enclosure Volume	1.05 - 2.64 cu ft / 30 -75 Litres
Shipping Weight	12.89 lb / 5.85 Kg
Packing Carton Dimensions	(W) 330 (D) 330 (H) 170 mm