Eminence Legend GB128 12 Inch Speaker
SPECIFICATION
Nominal Basket Diameter 12″, 304.8mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 50W
Music Program N/A
Resonance 86Hz
Usable Frequency Range 80Hz – 5.1kHz
Sensitivity*** 101.4dB
Magnet Weight 38 oz.
Gap Height 0.31″, 7.92mm
Voice Coil Diameter 1.7″, 44.5mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 86Hz
DC Resistance (Re) 6.37
Coil Inductance (Le) 0.64mH
Mechanical Q (Qms) 19.54
Electromagnetic Q (Qes) 0.67
Total Q (Qts) 0.65
Compliance Equivalent Volume (Vas) 43.9 liters / 1.6 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 41cc
Mechanical Compliance of Suspension (Cms) 0.12mm/N
BL Product (BL) 12 T-M
Diaphragm Mass Inc. Airload (MMs) 28 grams
Efficiency Bandwidth Product (EBP) 128
Maximum Linear Excursion (Xmax) 0.8mm
Surface Area of Cone (Sd) 506.7 cm2
Maximum Mechanical Limit (Xlim) N/A
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 122 cu.in. / 2 liters
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 6.06″, 154mm
Net Weight 8.1 lbs, 3.7 kg
Shipping Weight 10.1 lbs, 4.6 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Paper former
Magnet Composition Ferrite magnet
Core Details Non-vented core
Basket Materials Pressed steel basket
Cone Composition Paper Cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Zurette dust cap
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