Skip to content

Eminence - GA-SC64

Out of stock
$219.99

Vintage American ceramic magnet tone approved by legendary amp builder, George Alessandro. Well-balanced from top to bottom with tight, full lows, warm mids, and warm, but open highs.


SPECIFICATION
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 or 16 Ω
Power Rating*
Program Power N/A
Watts 40 W
Resonance 88 Hz
Usable Frequency Range 80 Hz - 5.3 kHz
Sensitivity* 100.5 dB
Magnet Weight 38 oz.
Gap Height 0.313", 8 mm
Voice Coil Diameter 1.75", 44 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 88 Hz
DC Resistance (Re) 7.63 Ω
Coil Inductance (Le) 0.67m H
Mechanical Q (Qms) 16.82
Electromagnetic Q (Qes) 0.6
Total Q (Qts) 0.58
Compliance Equivalent Volume (Vas) 44.96 liters / 1.59 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 83.8 cc
Mechanical Compliance of Suspension (Cms) 0.12 mm/N
BL Product (BL) 13.8 T-M
Diaphragm Mass Inc. Airload (MMs) 27 grams
Efficiency Bandwidth Product (EBP) 146
Maximum Linear Excursion (Xmax) 1.23 mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) N/A
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0.071 cu.ft. / 2 liters
Overall Diameter 12.17", 309.1 mm
Baffle Hole Diameter 11.13", 282.7 mm
Front Sealing Gasket Yes
Rear Sealing Gasket N/A
Mounting Holes Diameter 0.24", 6.1mm
Mounting Holes B.C.D. 11.75", 298.5mm
Depth 5.13", 130.2 mm
Net Weight 7.5 lbs, 3.4 kg
Shipping Weight 8.4 lbs, 3.81 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 Solid composition felt dust cap