Eminence Kappa 12A Speaker (900 Watts, 12 in.)

Perfect replacement speaker for your own speaker cabinet or sound installation. Kappa speakers are backed by Eminence's strict high quality control and warranty.

Technical Info

Specification
Nominal Basket Diameter: 12 in., 304.8mm
Nominal Impedance: 8 ohms
Power Rating: Watts - 450W, Music Program - 900W
Resonance: 45Hz
Usable Frequency Range: 62Hz-4.2kHz
Sensitivity***: 99.3
Magnet Weight: 80 oz.
Gap Height: 0.375 in., 9.53mm
Voice Coil Diameter: 3 in., 76.2mm

Thiele & Small Parameters
Resonant Frequency (fs): 45Hz
DC Resistance (Re): 5.41
Coil Inductance (Le): 0.77mH
Mechanical Q (Qms): 7.76
Electromagnetic Q (Qes): 0.28
Total Q (Qts): 0.27
Compliance Equivalent Volume (Vas): 112.1 liters / 4.0 cu.ft.
Peak Diaphragm Displacement Volume (Vd): 166cc
Mechanical Compliance of Suspension (Cms): 0.30mm/N
BL Product (BL): 15.2 T-M
Diaphram Mass inc. Airload (Mms): 42 grams
Efficiency Bandwidth Product (EBP): 161
Maximum Linear Excursion (Xmax): 3.2mm
Surface Area of Cone (Sd): 519.5 cm2
Maximum Mechanical Limit (Xlim): 11.5mm

Mounting Information
Recommended Enclosure: Sealed
Vented: 34-62 liters/1.2-2.2 cu.ft.
Overall Diameter: 12.26 in., 311.4mm
Baffle Hole Diameter: 11.0 in., 279.5mm
Front Sealing Gasket: fitted as standard
Rear Sealing Gasket: fitted as standard
Mounting Holes Diameter: 0.25 in., 6.4mm
Mounting Holes B.C. D.: 11.71 in., 297.5mm
Depth: 5.63 in., 143mm
Net Weight: 14.9 lbs., 6.8 kg
Shipping Weight: 17.9 lbs., 8.2 kg

Materials of Construction
Coil Construction: Aluminum voice coil
Coil Former: Polyimide former
Magnet Composition: Ferrite magnet
Core Details: Vented core
Basket Materials: Pressed steel basket
Cone Composition: Paper Cone
Cone Edge Composition: Cloth cone edge
Dustcap Composition: Solid composition paper dust cap

*** 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).