The Eminence Tonespotter 12" Guitar Speaker delivers very smooth and warm tone with a fat bottom end and highs that cut through the mix.
Warm and thick overtones
Authentic British flavor
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The Tonespotter 12" Guitar Speaker
Nominal Basket Diameter: 12", 304.8mm
Nominal Impedance*: 8 ohms
Power Rating**: 75W
Usable Frequency Range: 70Hz-5.5kHz
Magnet Weight: 38 oz.
Gap Height: 0.312", 7.92mm
Voice Coil Diameter: 1.75", 44.5mm
Thiele & Small Parameters
Resonant Frequency (fs): 88Hz
DC Resistance (Re): 6.76
Coil Inductance (Le): 0.47mH
Mechanical Q (Qms): 10.04
Electromagnetic Q (Qes): 0.73
Total Q (Qts): 0.68
Compliance Equivalent Volume (Vas): 39.7 liters / 1.4 cu. ft.
Peak Diaphragm Displacement Volume (Vd): 64cc
Mechanical Compliance of Suspension (Cms): 0.10mm/N
BL Product (BL): 12.7 T-M
Diaphragm Mass inc. Airload (Mms): 32 grams
Efficiency Bandwidth Product (EBP): 120
Maximum Linear Excursion (Xmax): 1.2mm
Surface Area of Cone (Sd): 519.5 cm2
Recommended Enclosure Volume:
Overall Diameter: 12.02", 305.3mm
Baffle Hole Diameter: 10.97", 278.6mm
Front Sealing Gasket: fitted as standard
Rear Sealing Gasket: fitted as standard
Mounting Holes Diameter: 0.25", 6.4mm
Mounting Holes B.C.D.: 11.63", 295.4mm
Depth: 5.1", 130mm
Net Weight: 8 lbs., 3.6 kg
Shipping Weight: 9.8 lbs., 4.5 kg
Materials of Construction
Copper voice coil
Pressed steel basket
Paper cone edge
Zurette dust cap
*Please inquire about alternative impedances.
**Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.
***The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms.
Eminence response curves are measured under the following conditions: All speakers are tested at 1w/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software
calibrated) mounted 1m from wall/baffle | 2ft. X 2ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber with
fiberglass on all six surfaces (three with custom-made wedges)
Comments about Eminence The Tonespotter 12" Guitar Speaker:
I was making a new cabinet 2x12 I had the Eminence Redcoat Governer, but it was lacking in the low end. I researched all the other redcoats and patriots by eminence, I narrowed it down to ohm and watt rating and found just a few meeting the watts of the Governer after comparing the dBSPL charts and contacting Eminence who informed to keep the dB within 2 I found the speaker. It was the Eminence Tonespotter, I just finished putting it in the 2x12 cab and it brought it all together it sounds great.