12 inch Eminence Signature Guitar Replacement Speaker Eminence Speaker Basket
12 inch Eminence Signature Guitar Replacement Speaker Eminence Speaker Cone
12 inch Eminence Signature Guitar Replacement Speaker Eminence Speaker Side
12 inch Eminence Signature Guitar Replacement Speaker Eminence Speaker Frequency Response
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JS-1250 12" Signature Guitar Speaker

Regular price
$144.99
Sale price
$144.99
Regular price
$184.99
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Respected as much for his tone as his guitar skills, Josh Smith's concept for the ultimate guitar speaker involved combining the lows of the Eminence Tonespotter, the clean highs of the Wizard, and the natural grit and sparkle of the Red Fang alnico. The result is an extremely versatile speaker with vintage tone and the ability to handle the power of modern amps.

Characteristics 

Series Signature
Model JS-1250
Application 12" Open or Closed Back
Configuration 1, 2 or 4x12"
Low End Response Aggressive
Low End Shape Fat/Round
Mid-Range Response Aggressive
Mid-Range Shape Warm
High-End Response Aggressive
Volume/Power Louder
Overall Coloration* An extremely versatile speaker with vintage tone and the ability to handle the power of modern amps.
Break-up Modes Medium
Power Range Up to 50 watts
Instrument* Lead/Rhythm Guitar
Genre of Music* Blues, Rock, Country

Specifications

Download Spec Sheet
SPECIFICATION
Nominal Basket Diameter 12", 0 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power N/A
Watts 50 W
Resonance 92 Hz
Usable Frequency Range 80 Hz - 5.2 kHz
Sensitivity* 101.4 dB
Magnet Weight 38 oz.
Gap Height 0.313", 8 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 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 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed N/a
Vented N/a
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 5.23", 132.8 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 former
Magnet Composition Ferrite magnet
Core Details Non-vented core
   
Basket Materials Pressed steel basket
Cone Composition
Cone Edge Composition Full molded paper
Dust Cap Composition Zurette dust cap


Frequency Response

response graph