Eminence Basslite S2012 12" Bass Speaker

The Eminence Basslite S2012 12" Bass Speaker delivers full, round bass tone. Ideal in vented 1x12", 2x12", and 4x12" enclosures.

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• Nominal Basket Diameter: 12", 304.8mm
  Nominal Impedance*: 8 ohms
  Power Rating**: 150W
  Resonance: 48Hz
  Usable Frequency Range: 49Hz-4.5kHz
  Sensitivity***: 97
  Magnet Weight: 4 oz.
  Gap Height: 0.28", 7.2mm
  Voice Coil Diameter: 2", 50.8mm
  
  Thiele & Small Parameters
  Resonant Frequency (fs): 48Hz
  DC Resistance (Re): 5.1
  Coil Inductance (Le): 0.43mH
  Mechanical Q (Qms): 5.5
  Electromagnetic Q (Qes): 0.53
  Total Q (Qts): 0.48
  Compliance Equivalent Volume (Vas): 91 liters / 3.2 cu. ft.
  Peak Diaphragm Displacement Volume (Vd): 270cc
  Mechanical Compliance of Suspension (Cms): 0.24mm/N
  BL Product (BL): 11.7 T-M
  Diaphragm Mass inc. Airload (Mms): 46 grams
  Efficiency Bandwidth Product (EBP): 91
  Maximum Linear Excursion (Xmax): 5.2mm
  Surface Area of Cone (Sd): 519.5 cm2
  Maximum Mechanical Limit (Xlim): 9.8mm
  
  Mounting Information:
  Recommended Enclosure Volume:
  Sealed: 31-35 liters/ 1.1-1.3 cu.ft.
  Vented: 42.5-85 liters/ 1.5-3 cu.ft.
  Overall Diameter: 12.03", 305.5mm
  Baffle Hole Diameter: 10.95", 278.1mm
  Front Sealing Gasket: fitted as standard
  Rear Sealing Gasket:
  Mounting Holes Diameter: 0.25", 6.4mm
  Mounting Holes B.C.D.: 11.59", 294.3mm
  Depth: 5.1", 130mm
  Net Weight: 4.1 lbs., 1.9 kg
  Shipping Weight: 5.8 lbs., 2.6 kg
  
  Materials of Construction
  Copper voice coil
  Polyimide former
  Neodymium magnet
  Non-vented core
  Pressed steel basket
  Paper Cone
  Cloth cone edge
  Solid composition felt dust cap
  
  *Please inquire about 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 output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms.
  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 the speaker mounted flush against a steel ring for minimum diffraction " Hafler P1500 Trans-Nova amplifier " 2700 cu.ft. chamber with
  fiberglass on all six surfaces (three with custom-made wedges)