Eminence EJ1250 12in Speaker 50w 8 Ohm Eric Johnston Signature
Regular price
$769.99
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per
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SKU: EJ1250
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.
| Nominal Basket Diameter | 12", 305 mm |
| Nominal Impedance* | 8 or 16 Ω available |
| Power Rating* | |
| Program Power | N/A |
| Watts | 50 W |
| Resonance | 90Â Hz |
| Usable Frequency Range | 80 Hz - 5.1 kHz |
| Sensitivity* | 1001.0 dB |
| Magnet Weight | 35 oz. |
| Gap Height | 0.313", 8 mm |
| Voice Coil Diameter | 1.75", 44 mm |
THIELE & SMALL PARAMETERS
| Resonant Frequency (fs) | 75 Hz |
| DC Resistance (Re) | 7.19 Ω |
| Coil Inductance (Le) | 0.6m H |
| Mechanical Q (Qms) | 20.09 |
| Electromagnetic Q (Qes) | 0.54 |
| Total Q (Qts) | 0.53 |
| Compliance Equivalent Volume (Vas) | 71.19 liters / 2.51 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 64.4 cc |
| Mechanical Compliance of Suspension (Cms) | 0.19 mm/N |
| BL Product (BL) | 12.08 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 24 grams |
| Efficiency Bandwidth Product (EBP) | 140 |
| Maximum Linear Excursion (Xmax) | 1.24 mm |
| 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 | 0.079 cu.ft. / 2.24 liters |
| Overall Diameter | 12.17", 309.1 mm |
| Baffle Hole Diameter | 11.13", 282.7 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.24", 6.1mm |
| Mounting Holes B.C.D. | 11.75", 298.5mm |
| Depth | 6.25", 158.8 mm |
| Net Weight | 8.4 lbs, 3.81 kg |
| Shipping Weight | 10.2 lbs, 4.63 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 |