Eminence JS-1250 12" Josh Smith Signature Guitar Speaker 8 Ohm

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Model: Eminence EJS1250A
note: Price includes VAT

SPECIFICATION

Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating* 50 W Watts
Program Power N/A
Resonance 92 Hz
Usable Frequency Range 80 Hz - 5.2 kHz
Sensitivity* 101.4 dB
Magnet Weight 38 oz.
Gap Height 0.313", 7.95 mm
Voice Coil Diameter 1.75", 44 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs) 92 Hz
DC Resistance (Re) 6.42 Ω
Coil Inductance (Le) 0.5m H
Mechanical Q (Qms) 15.69
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) 41.04 cc
Mechanical Compliance of Suspension (Cms) 0.11 mm/N
BL Product (BL) 12.91 T-M
Diaphragm Mass Inc. Airload (MMs) 28 grams
Efficiency Bandwidth Product (EBP) 145
Maximum Linear Excursion (Xmax) 0.79 mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) 0.00 mm

MOUNTING INFORMATION

Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0.07 cu.ft. / 2 liters
Overall Diameter 12.17", 309.12 mm
Baffle Hole Diameter 11.13", 282.7 mm
Front Sealing Gasket Yes
Rear Sealing Gasket No
Mounting Holes Diameter 0.24", 6.1mm
Mounting Holes B.C.D. 11.75", 298.5mm
Depth 5.23", 132.84 mm
Net Weight 8 lbs, 3.63 kg
Shipping Weight 9.8 lbs, 4.45 kgs

MATERIALS OF CONSTRUCTION
Coil Construction
Copper voice coil Coil
Former Nomex
Magnet Composition Ferrite
Core Details
Basket Materials Pressed steel basket
Cone Composition Full molded paper
Cone Edge Composition Paper
Dust Cap Composition Zurette