EMINENCE KAPPA-12A (Side)

SPECIFICATIONS

Nominal basket diameter 12 in (305 mm)

Nominal impedance 8 Ω (Ohms)

Rated power

• Program power: 900 W
• Watts: 450 W

Resonant frequency 45 Hz

Usable frequency range: 62 Hz - 4.2 kHz

Sensitivity 99.3 dB

Magnet weight 80 oz (2268 g)

Air gap height 0.375 in (9.5 mm)

Voice coil diameter 3 in (76 mm)

THIELE AND SMALL PARAMETERS

• Resonant frequency (fs): 45 Hz
• DC resistance (Re): 5.41 Ω (Ohms)
• Coil inductance (Le): 0.77 mH
• Mechanical quality factor (Qms): 7.76
• Electromagnetic quality factor (Qes): 0.28
• Total Quality Factor (Qts): 0.27
• Equivalent Compliance Volume (Vas): 112.1 liters / 3.96 cu. ft.
• Maximum diaphragm displacement volume (Vd): 166 cm³
• Mechanical compliance of the suspension (Cms): 0.3 mm/N
• BL product (BL): 15.2 Tm
• Mass of the diaphragm with air charge (Mms): 42 grams
• Efficiency Bandwidth Product (EBP): 161
• Maximum linear excursion (Xmax): 3.2 mm
• Cone surface area (Sd): 519.5 cm²
• Maximum mechanical limit (Xlim): 11.5 mm

ASSEMBLY INFORMATION

• Recommended subwoofer volume
  • Sealed: N/A
  • Ventilated: 34-62 liters / 1.2-2.2 cu. ft.
• Speaker volume relocated: 0.09 cu. ft. / 2.55 liters
• Total diameter: 12.26 in (311.4 mm)
• Speaker hole diameter: 11 in (279.4 mm)
• Front sealing gasket: Yes
• Rear sealing gasket: Yes
• Mounting hole diameter: 0.25 in (6.4 mm)
• Mounting hole spacing: 11.71 in (297.4 mm)
• Depth: 5.63 in (143 mm)
• Net weight: 14.9 lb (6.76 kg)
• Gross weight: 17.9 lb (8.12 kg)

BUILDING MATERIALS

• Coil construction: Aluminum moving coil
• Coil forming: Polyimide forming
• Magnet composition: Ferrite magnet
• Core details: Vented core
• Basket materials: Stamped steel basket
• Cone composition: Paper cone
• Composition of the cone rim: Fabric cone rim
• Dust cover composition: Solid composite paper dust cover