Product Details

Characteristics
Filter series
Signature
Model
GA-SC64
Characteristics application
12" Open or Closed Back
Configuration
1, 2, or 4 x 12"
Low end response
Moderate
High end response
Moderate
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
Balanced
Characteristics power range

40

Instrument

Lead/Rhythm Guitar

Characteristics genre

Blues
Country
Rock

Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating watts
40 W
Resonance
88 Hz
Usable frequency range
80 Hz - 5.3 kHz
Sensitivity
100.5 dB
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
Coil inductance le
0.67
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
Diaphragm mass inc airload mms
27
Efficiency bandwidth product ebp
146
Maximum linear excursion xmax
1.23 mm
Surface area of cone sd
519.5 cm²
Mounting Information
Recommended enclosure volume sealed
Acceptable
Recommended enclosure volume 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
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
Edgewound copper
Voice coil former
Paper
Magnet material
Ferrite
Basket material
Pressed steel
Cone composition
Paper
Surround
Paper
Dust cap composition
Solid composition felt