12" Signature Guitar Speakers
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12" Signature Guitar Speakers

Product Code: GA-SC59

UPC Code: 8 76358 00436 2

Circa 1959 tone in a vintage American alnico magnet design, approved by George Alessandro. Punchy lows, full lower mid grunt, and articulate chimey highs balance out this versatile and musical 12” speaker.
USD $269.99 /1
    • 1
  • Quantity Available: 43
Spec Sheet

SPECIFICATION
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power N/A
Watts 40 W
Resonance 89 Hz
Usable Frequency Range 80 Hz - 5.2 kHz
Sensitivity* 100 dB
Magnet Weight 35 oz.
Gap Height 0.313", 7.95 mm
Voice Coil Diameter 1.75", 44 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 89 Hz
DC Resistance (Re) 7.4 Ω
Coil Inductance (Le) 0.61m H
Mechanical Q (Qms) 19.73
Electromagnetic Q (Qes) 0.63
Total Q (Qts) 0.61
Compliance Equivalent Volume (Vas) 41.21 liters / 1.46 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 83.64 cc
Mechanical Compliance of Suspension (Cms) 0.11 mm/N
BL Product (BL) 13.55 T-M
Diaphragm Mass Inc. Airload (MMs) 28 grams
Efficiency Bandwidth Product (EBP) 140
Maximum Linear Excursion (Xmax) 1.61 mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) 0 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0.079 cu.ft. / 2.24 liters
Overall Diameter 12.17", 309.12 mm
Baffle Hole Diameter 11.13", 282.7 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.24", 6.096mm
Mounting Holes B.C.D. 11.75", 298.45mm
Depth 6.25", 158.75 mm
Net Weight 8.4 lbs, 3.81 kg
Shipping Weight 10.2 lbs, 4.63 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice Coil
Coil Former Paper former
Magnet Composition Alnico 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
response graph
Series Signature
Model GA-SC59
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 Aggressive
Volume/Power Loudest
Overall Coloration* Vintage American Alnico tone approved by George Alessandro.  Tight and and punchy with nice sweet chime from sound circa '59.
Break-up Modes Medium
Power Range Up to 40 watts
Instrument* Lead/Rhythm Guitar
Genre of Music* Rock, Blues, Country
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