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EJ1250

EJ1250

The Eric Johnson Signature EJ1250

The Eric Johnson Signature EJ1250
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NZ $599.00
incl GST
Stock Level:
Qty.
The Eric Johnson Signature EJ1250 offers 50 watts of vintage alnico tone for the purist in you. Designed from the past with the future in mind.
Eric Johnson, George Alessandro and Eminence have teamed up to create the EJ1250, a 50 watt alnico guitar speaker that delivers amazing vintage tone. Featuring both American and British characteristics, the EJ1250 has punchy lows, warm throaty mids, and articulate highs. The EJ1250 was designed from the past with the future in mind, and is made by hand in the USA.

 
 
Specification
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 50W
Music Program N/A
Resonance 89.98Hz
Usable Frequency Range 80Hz - 5.1kHz
Sensitivity*** 100.9dB
Magnet Weight 35 oz.
Gap Height 0.31", 7.95mm
Voice Coil Diameter 1.75", 44.45mm
Thiele & Small Parameters
Resonant Frequency (fs) 89.98Hz
DC Resistance (Re) 7.19
Coil Inductance (Le) 0.62mH
Mechanical Q (Qms) 12.41
Electromagnetic Q (Qes) 0.65
Total Q (Qts) 0.62
Compliance Equivalent Volume (Vas) 44.96 liters / 1.59 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 62.34cc
Mechanical Compliance of Suspension (Cms) 0.12mm/N
BL Product (BL) 12.91 T-M
Diaphragm Mass Inc. Airload (MMs) 26.55 grams
Efficiency Bandwidth Product (EBP) 139.0
Maximum Linear Excursion (Xmax) 1.24mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) N/A
Mounting Information
Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 136.7 cu.in. / 2.24 liters
Overall Diameter 12.03", 305.5mm
Baffle Hole Diameter 11.07", 281.1mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket N/A
Mounting Holes Diameter 0.25", 6.35mm
Mounting Holes B.C.D. 11.59", 294.3mm
Depth 6.22", 157.98mm
Net Weight 8.5 lbs, 3.86 kg
Shipping Weight 10.6 lbs, 4.81 kgs
Materials of Construction
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 Paper cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Zurette dust cap
 

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P:    + 64 9 378 9863
F:    + 64 9 378 0542
E:    john@livesound.co.nz
       ben@livesound.co.nz 
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Auckland, New Zealand

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To 11th Jan