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Eminence EJ1250 Eric Johnson Signature - 12" Guitar Speaker

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Product Description

The Eminence EJ1250 Eric Johnson Signature Guitar Speaker provides 50 watts of pure vintage alnico tone with a modern twist. American and British characteristics, punchy lows, warm throaty mids, and articulate highs are what you can expect from the EJ1250 Eric Johnson Signature speaker from Eminence. Made by hand right here in the USA. Available in 8 or 16 ohms.

Product Specifications
Eminence EJ1250 Eric Johnson Signature Guitar Speaker Specifications
  • Nominal Basket Diameter: 12 inch
  • Nominal Impedance: 16 ohms
  • Power Rating: 50 watts
  • Resonance: 84.78Hz
  • Usable Frequency Range: 80Hz - 5.1kHz
  • Sensitivity: 100.8dB
  • Magnet Weight: 35 oz.
  • Gap Height: 0.31 inch, 7.95mm
  • Voice Coil Diameter: 1.75 inches, 44.45mm
  • Thiele and Small Parameters:
    • Resonant Frequency (fs): 84.78Hz
    • DC Resistance (Re): 14.4
    • Coil Inductance (Le): 0.98mH
    • Mechanical Q (Qms): 20.1
    • Electromagnetic Q (Qes): 0.73
    • Total Q (Qts): 0.71
    • Compliance Equivalent Volume (Vas): 48.71 liters / 1.72 cu.ft.
    • Peak Diaphragm Displacement Volume (Vd): 62.34cc
    • Mechanical Compliance of Suspension (Cms): 0.13mm/N
    • BL Product (BL): 16.95 T-M
    • Diaphragm Mass Inc. Airload (MMs): 27.45 grams
    • Efficiency Bandwidth Product (EBP): 115.6
    • Maximum Linear Excursion (Xmax): 1.2mm
    • Surface Area of Cone (Sd): 519.5 cm2
    • Maximum Mechanical Limit (Xlim): N/A
  • Mounting Information:
    • Driver Volume Displaced: 136.7 cu.in. / 2.24 liters
    • Overall Diameter: 12.02 inches, 305.31mm
    • Baffle Hole Diameter: 10.97 inches, 278.64mm
    • Front Sealing Gasket: Fitted as standard
    • Mounting Holes Diameter: 0.25 inch, 6.35mm
    • Mounting Holes B.C.D.: 11.63 inch, 295.4mm
    • Depth: 6.22 inches, 157.98mm
    • Weight: 8.5 lbs, (3.86 kg)
  • Materials Of Construction:
    • Coil Construction: Copper
    • Coil Former: Paper
    • Magnet Composition: Alnico
    • Core Details: Non-vented
    • Basket Materials: Pressed steel
    • Cone Composition: Paper
    • Cone Edge Composition: Paper
    • Dust Cap Composition: Zurette
Helpful Info about the Manufacturer
Phone:  502-845-5622 Warranty:  Warranty: 7 years
Russell from Tidewater, VA
Overall Rating
General
Subject
Dripping with tone, the EJ1250 does not disapoint!
General
What is your overall opinion of this product?
I was a V30 fan for many years, but decided to try one of these due to my curiousity (and g.a.s.). The EJ1250 AlNiCo speaker is a truly remarkable addition to any amplifier. It has a more or less flat eq by design, allowing all that vintage AlNiCo goodness to shine through without coloring your tone. You hear your amp/guitar, without a predisposed voicing dictated by the manufacturer. Installed in my old stock Peavey Classic 30, the clean and overdriven tones are equally sweet, with a depth and transparency that I have never experienced before. The lush, almost 3D sounding tone is very inspiring, and I have been playing on it like a madman ever since. I am very satisfied with this purchase, and will soon be adding two of these gems to my Fender Twin. Thanks Eminence!
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