Guitar Bass Pro Audio Custom / OEM
Sound Clips
THE GOVERNOR™  
Classic British tone. Thick and raunchy with lots of mids
SPECIFICATION  
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating  
Watts 75W
Music Program N/A
Resonance 101Hz
Usable Frequency Range 70Hz-5kHz
Sensitivity*** 102
Magnet Weight 56 oz.
Gap Height 0.312", 7.92mm
Voice Coil Diameter 1.75", 44.5mm
              SOUND CLIPS
THIELE & SMALL PARAMETERS         Clean    Heavy    OD
Resonant Frequency (fs) 101Hz  
DC Resistance (Re) 6.81  
Coil Inductance (Le) 0.41mH
     
      Download PDF Spec Sheet
Mechanical Q (Qms) 11.41
Electromagnetic Q (Qes) 0.59
Total Q (Qts) 0.56
Compliance Equivalent Volume (Vas) 30.1 liters / 1.1 cu.ft.
Mechanical Compliance of Suspension (Cms) 0.08mm/N  
BL Product (BL) 15.3 T-M  
Diaphram Mass inc. Airload (Mms) 32 grams  
Efficiency Bandwidth Product (EBP) 171  
Maximum Linear Excursion (Xmax) 1.2mm  
Surface Area of Cone (Sd) 519.5 cm2  
Maximum Mechanical Limit (Xlim) N/A  
     
MOUNTING INFORMATION    
Recommended Enclosure    
Sealed Acceptable  
Vented Acceptable  
Overall Diameter 12.02", 305.3mm  
Baffle Hole Diameter 10.97", 278.6mm  
Front Sealing Gasket Fitted as standard  
Rear Sealing Gasket Fitted as standard  
Mounting Holes Diameter 0.25", 6.4mm  
Mounting Holes B.C. D. 11.63", 295.4mm  
Depth 5.2", 132mm  
Net Weight 10.8 lbs., 4.9 kg  
Shipping Weight 12.6 lbs., 5.7 kg  
     
MATERIALS OF CONSTRUCTION    
Coil Construction Copper voice coil  
Coil Former Nomex former  
Magnet Composition Ferrite magnet  
Core Details Non-vented core  
Basket Materials Pressed steel basket  
Cone Composition Paper Cone  
Cone Edge Composition Paper cone edge  
Dustcap Composition Zurette dust cap  
     
FOOTNOTES    

*

Please consult www.eminence.com for specifications of models with alternative impedances.

** Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.
*** The average on axis output across the usable frequency range when applying 1W/1m into the nominal impedance, i.e. 2.83V/8Ω, 4V/16Ω.  Eminence response curves are measured under the following conditions:  All speakers are tested at 1W/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software calibrated) mounted 1m from wall/baffle | 2ft x 2ft baffle is built into the wall with speaker mounted flush against a steel ring for minimum diffraction | Carver PM-120 amplifier | 2700ft3 chamber with fiberglass on all six surfaces (three with custom-made wedges).
**** BETA 8CX, 10CX, 12CX and Acoustinator™ CX2008 are coaxial speakers with tweeter sold separately. Published Usable Frequency response contingent upon use of APT 50 HF Driver.