GA-SC64 12" Signature Guitar Speaker

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.

Characteristics

Series	Signature
Model	GA-SC64
Application	12" Open or Closed Back
Configuration	1, 2, or 4 X 12"
Low End Response	Moderate
Low End Shape	Tight/Punchy
Mid-Range Response	Moderate
Mid-Range Shape	Warm
High-End Response	Moderate
Volume/Power	Louder
Overall Coloration*	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.
Break-up Modes	Medium
Power Range	Up to 40 watts
Instrument*	Lead/Rhythm Guitar
Genre of Music*	Rock, Blues, Country

Specifications

Download Spec Sheet →

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

Frequency Response