Eminence GA10-SC59 George Alessandro 10" 25W Speaker

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Product Overview

Circa 1959 tone in a vintage American alnico magnet design approved by George Alessandro. Tight, punchy, percussive lows and top end chime with sparkle.

A nice bright musical Tweed tone.

Nominal Basket Diameter 10", 254 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power N/A
Watts 20 W
Resonance 102 Hz
Usable Frequency Range 100 Hz - 5.3 kHz
Sensitivity* 97 dB
Magnet Weight 6 oz.
Gap Height 0.25", 6.35 mm
Voice Coil Diameter 1", 25 mm

Resonant Frequency (fs) 102 Hz
DC Resistance (Re) 7.58 Ω
Coil Inductance (Le) 0.44m H
Mechanical Q (Qms) 19.66
Electromagnetic Q (Qes) 1.67
Total Q (Qts) 1.54
Compliance Equivalent Volume (Vas) 27.91 liters / 0.99 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 58.21 cc
Mechanical Compliance of Suspension (Cms) 0.15 mm/N
BL Product (BL) 6.94 T-M
Diaphragm Mass Inc. Airload (MMs) 17 grams
Efficiency Bandwidth Product (EBP) 61
Maximum Linear Excursion (Xmax) 1.59 mm
Surface Area of Cone (Sd) 366.1 cm2
Maximum Mechanical Limit (Xlim) 0 mm

Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0.027 cu.ft. / 0.77 liters
Overall Diameter 10.11", 256.8 mm
Baffle Hole Diameter 9.13", 231.9 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.22", 5.6mm
Mounting Holes B.C.D. 9.6", 243.8mm
Depth 4.8", 121.9 mm
Net Weight 2.9 lbs, 1.32 kg
Shipping Weight 4 lbs, 1.81 kgs

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 Full molded Paper cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Solid composition felt dust cap


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