Eminence Beta 12LTA
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SPECIFICATION |
Nominal Basket Diameter |
12", 305 mm |
Nominal Impedance* |
8 Ω |
Power Rating* |
Program Power |
450 W |
Watts |
225 W |
Resonance |
45 Hz |
Usable Frequency Range |
48 Hz - 8 kHz |
Sensitivity* |
97.7 dB |
Magnet Weight |
38 oz. |
Gap Height |
0.31", 7.9 mm |
Voice Coil Diameter |
2", 51 mm |
THIELE & SMALL PARAMETERS |
Resonant Frequency (fs) |
45 Hz |
DC Resistance (Re) |
7.37 Ω |
Coil Inductance (Le) |
0.83m H |
Mechanical Q (Qms) |
6.44 |
Electromagnetic Q (Qes) |
0.55 |
Total Q (Qts) |
0.51 |
Compliance Equivalent Volume (Vas) |
136.3 liters / 4.81 cu.ft. |
Peak Diaphragm Displacement Volume (Vd) |
170 cc |
Mechanical Compliance of Suspension (Cms) |
0.34 mm/N |
BL Product (BL) |
11.7 T-M |
Diaphragm Mass Inc. Airload (MMs) |
36 grams |
Efficiency Bandwidth Product (EBP) |
82 |
Maximum Linear Excursion (Xmax) |
3.2 mm |
Surface Area of Cone (Sd) |
532.4 cm2 |
Maximum Mechanical Limit (Xlim) |
8 mm |
MOUNTING INFORMATION |
Recommended Enclosure Volume |
Sealed |
14-51 liters / 0.5-1.8 cu.ft. |
Vented |
56.6-116 liters / 2-4.1 cu.ft. |
Driver Volume Displaced |
0.071 cu.ft. / 2 liters |
Overall Diameter |
12.03", 305.6 mm |
Baffle Hole Diameter |
11.07", 281.2 mm |
Front Sealing Gasket |
Yes |
Rear Sealing Gasket |
Yes |
Mounting Holes Diameter |
0.25", 6.4mm |
Mounting Holes B.C.D. |
11.59", 294.4mm |
Depth |
4.47", 113.5 mm |
Net Weight |
8.1 lbs, 3.67 kg |
Shipping Weight |
10.2 lbs, 4.63 kgs |
MATERIALS OF CONSTRUCTION |
Coil Construction |
Copper voice coil |
Coil Former |
Polyimide former |
Magnet Composition |
Ferrite magnet |
Core Details |
Vented core |
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Basket Materials |
Pressed steel basket |
Cone Composition |
Paper cone |
Cone Edge Composition |
Cloth cone edge |
Dust Cap Composition |
Solid composition paper dust cap |
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ASK any questions before you buy!