Eminence GA-SC64: 12″ Guitar Speaker by George Alessandro

Original price was: $154.99.Current price is: $144.99.

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.
40 watts / 80-5.3kHz / 1.75″ voice coil
8  ohms

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Description
Specifications
Description

Eminence GA-SC64: 12″ Guitar Speaker by George Alessandro

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.

Eminence and George Alessandro have teamed up once again to develop a 12” guitar speaker with vintage sounds circa 1964, the GA-SC64.Well-balanced from top to bottom, the GA-SC64’s warm, dynamic character lends itself to vintage amps as well as modern gain and distortion. The traditional build materials offer warmth, dynamics, low note articulation and proper distorted harmonic content layering. “The early 1960’s was a time when things were simpler. Studios were recording with one or two analog tape tracks. Stereo records were high tech, and hum canceling pickups were still awaiting a patent.” said George Alessandro, President, Alessandro High-End Products. “The warm, full character of the GA-SC64 brings you back to those days when used in vintage amps. While many things have advanced in 50 years, the tone of 1964 still rings true with this unique guitar speaker.”

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SPECIFICATION
Nominal Basket Diameter 12″, 305 mm
Nominal Impedance* 8 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
Specifications
Weight 9 lbs
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