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| [Eminence Alpha EA8MR] |
| Eminence Alpha EA8MRA |
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| ALPHA- Serie 100W- 200W
Recommended for professional audio and bass guitar applications as a mid-range. Sealed basket makes this
woofer independent of enclosure design.
SPECIFICATION
* Nominal Basket Diameter 8", 203.2 mm
* Nominal Impedance 8 ohms
* Power Rating Watts 125 W / Music Program 250 W
* Resonance 514 Hz
* Usable Frequency Range 400 Hz - 4.8 kHz
* Sensitivity 100.9
* Magnet Weight 20 oz.
* Gap Height 0.25", 6.35 mm
* Voice Coil Diameter 1.5", 38.1 mm
THIELE & Small Parameters
* Resonant Frequency (fs) 514 Hz
* DC Resistance (Re) 7.32
* Coil Inductance (Le) 0.34 mH
* Mechanical Q (Qms) 4.48
* Electromagnetic Q (Qes) 2.08
* Total Q (Qts) 1.42
* Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
* Peak Diaphragm Displacement Volume (Vd) 0cc
* Mechanical Compliance of Suspension (Cms) 0.01 mm/N
* BL Product (BL) 8.9 T-M
* Diaphragm Mass inc. Airload (Mms) 6.9 grams
* Efficiency Bandwidth Product(EBP) 247
* Maximum Linear Excursion (Xmax) 1.6 mm
* Surface Area of Cone (Sd) 205.9 cm²
* Maximum Mechanical Limit (Xlim) 3.0 mm
MOUNTING Information
* Recommended Enclosure Volume
Sealed N/A
Vented N/A
* Overall Diameter 8.22", 208.8 mm
* Baffle Hole Diameter 7.19", 182.5 mm
* Front Sealing Gasket fitted as standard
* Rear Sealing Gasket fitted as standard
* Mounting Holes Diameter 0.22", 5.5 mm
* Mounting Holes B.C.D. 7.75", 196.9 mm
* Depth 3.25", 83 mm
MATERIALS of Construction
* Copper voice coil
* Polyimide former
* Ferrite magnet
* Pressed steel basket with closed back
* Paper Cone
* Paper cone edge
* Solid composition paper dust cap |
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Drivers
