Eminence EJ-1240 Eric Johnson Signature Guitar Speaker (40 Watts, 12")

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- Nominal Basket Diameter: 12", 305 mm
- Nominal Impedance: 16 O
- Power Rating: 40 W
- Resonance: 75 Hz
- Usable Frequency Range: 80 Hz - 5 kHz
- Sensitivity: 100.7 dB
- Magnet Weight: 35 oz.
- Gap Height: 0.313", 8 mm
- Voice Coil Diameter: 1.75", 44 mm
- Resonant Frequency (fs): 75 Hz
- DC Resistance (Re): 7 O
- 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
- 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
If you have additional warranty questions, please contact the manufacturer at 502-845-5622
(1 ratings)
Submitted October 14, 2015 by Ear Candy in valparaiso, IN
"Creamy, warm with beautiful harmonics and lots of clarity & sustain"
Tight, warm, creamy, lots of sustain with a nice bell tone

Warm, bubbly it has that warm round glow with lots of sustain,,, the tone is beautiful, its subtle yet defined. This speaker has amazing clean tones,

I use the EJ 12 40 combined with a eminence alnico hemp cone, I have these loaded in an earcandy BuzzBomb powered by a H&K tubemeister 36. The guitar is a Ibanez prestige loaded with air norton and tone zone. The combination of these speakers, cabs and guitar is top notch tone.

Ease of Use
Very Easy, this is a high quality well built speaker designed by one of the best guitar players in the world. Combining this with the cannabis rex makes fora stellar tone and pricey but worth it. The only learning curve is the break in time, However, this speaker sounds excellent right out of the box and only gets better the more you break it in.

Its Eminence, made in eminence Kentucky by very talented women. The speaker is reliable, it is hand assembled and comes with a 7 year warranty, Customer support is second to none.

Yes, without a doubt, it is costly but man does it sound incredible.

Manufacturer Support
Eminence has the best customer support i have ever experienced, the quality of the speakers is second to none and you can call and talk to an read more eminence expert., I have not had any problems at all but considering the quality of the speaker components, i doubt I will. They have a 7 year warranty.

The Wow Factor
It needs broken in, the alnico mag is powerful and this and the cannis major are becoming speakers I Cant live without. These are VERY professional speakers. if I lost or blew one, I would have to have another one asap.

Musical Background:
30 years playing time, professional, I use my custom Ibanez and my 1973 MIJ strat

Musical Style:
Everything from blues to melodic contemporary jazz and country and this speaker sings and executes full tone in beautiful voicin
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