Głośnik niskotonowy 12" Eminence BETA-12LTA


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425.94 PLN brutto

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Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating
Watts 250W
Music Program 450W
Resonance 45Hz
Usable Frequency Range 48Hz-8kHz
Sensitivity*** 97.7
Magnet Weight 38 oz.
Gap Height 0.312", 7.92mm
Voice Coil Diameter 2", 50.8mm
Resonant Frequency (fs) 45Hz

DC Resistance (Re) 7.37
Coil Inductance (Le) 0.83mH
Mechanical Q (Qms) 6.44
Electromagnetic Q (Qes) 0.55
Total Q (Qts) 0.51
Compliance Equivalent Volume (Vas) 136.3 liters / 4.8 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 170cc
Mechanical Compliance of Suspension (Cms) 0.34mm/N
BL Product (BL) 11.7 T-M
Diaphram Mass inc. Airload (Mms) 36 grams
Efficiency Bandwidth Product (EBP) 82
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 532.4 cm2
Maximum Mechanical Limit (Xlim) 8.0mm
Recommended Enclosure
Sealed 14-51 liters/0.5-1.8 cu.ft.
Vented 56.6-116 liters/2-4.1 cu.ft.
Overall Diameter 12.03", 305.5mm
Baffle Hole Diameter 10.95", 278.1mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C. D. 11.59", 294.3mm
Depth 4.47", 114mm
Net Weight 8.1 lbs., 3.7 kg
Shipping Weight 10.2 lbs., 4.6 kg
Coil Construction Copper 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

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