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- Eminence Beta-12A - 8 ohm - Woofer
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Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure.
SPECIFICATIONS Nominal Diameter: 12", 304.8mm Nominal Impedance: 8 ohms Power: 250w rms, 500w program Freq. Response: 43.0 Hz-3.8 kHz Sensitivity: 98.0 db 1w/1m Magnet Weight: 38.0 oz, 1078 grams Gap Height 0.312", 7.92mm Voice Coil Diameter 2.0", 50.8mm MOUNTING INFORMATION Recommended Enclosure Volume - Sealed: 25.5-35.4 L, 0.9-1.25 cuft - Vented: 36.8-139.0 L, 1.3-4.9 cuft Overall Diameter: 12.03", 305.5mm Baffle Hole Diameter: 10.95", 278.1mm Number of Mounting Holes: 8 Mounting Hole Diameter: 0.25", 6.4mm Mounting Hole BCD: 11.59", 294.3mm Depth: 4.57", 116mm Net Weight: 7.5 lbs, 3.4 kg Shipping Weight: 9.7 lbs, 4.4 kg |
T/S PARAMETERS Fs: 47.0 Hz Re: 5.0 ohms Le: 0.64 mH Qms: 6.0 Qes: 0.50 Qts: 0.46 Vas: 120.1 L, 4.2 cuft Vd: 237.0 cc Cms: 0.29 mm/N BL: 10.8 Tm Mms: 40.0 grams EBP: 94.0 Xmax: 4.4 mm Sd: 538.9 cm2 Xlim: 11.0 mm CONSTRUCTION -Copper voice coil on polyimide voice coil former -Ferrite magnet with vented and extended core -Pressed steel basket -Paper cone with cloth accordion edge -Solid composition paper dust cap |