Eminence ALPHA-8A

Eminence

MSRP: $119.99
$79.99
(You save $40.00 )
SKU:
ALPHA-8A
UPC:
876358000000.00
Shipping:
Calculated at Checkout
Alpha-8

Ideal for small P.A. systems, keyboards, guitar combos.

Nominal Basket Diameter8", 3.2mm
Impedance8 ohm
Power Rating100W rms
Resonance76Hz
Usable Frequency Range65Hz - 5kHz
Average Sensitivity1W @ 1m 97 dB
Magnet Weight20oz
Gap Height0.25", 6.35mm
Voice Coil Diamete1.5", 38.1mm

Mounting Information

Overall Diameter8.24", 9.2mm
Baffle Hole Diameter7.13", 181mm
Front Sealing Gasketfitted as standard
Rear Sealing Gasketfitted as standard
Mounting Holes Diameter0.218", 5.5mm
Mounting Hole B.C.D.7.75", 196.9mm
Depth3.58", 91mm
Shipping Weight5.1 lbs., 2.3 kg

Thiele-Small Parameters

Resonant Frequency76Hz
Impedance (RE)5.27 ohm
Coil Inductance (Le)0.65mH
Electromagnetic Q (Qes)0.60
Mechanical Q (Qms)4.5
Total Q (Qts)0.53
Compliance Equivalent Volume (Vas)14.1 liters
0.5 cu. ft
Peak Diaphragm Displacement
Volume (Vd)
67cc
Mechanical Compliance
of suspension (Cms)
0.23mm/N
BL Product (BL)9.0 T-M
Diaphragm Mass inc. Airload (Mms)20 grams
Equiv. Resistance of mechanical suspension loss (Rms)2.06N*sec/M
Efficiency Bandwidth Product (EBP)127
Voice Coil Overhang (Xmax)3.2mm
Surface Area of Cone (Sd)210cm2
Impedance at Resonance (Zmax)45 ohm

Materials of Construction

  • Kapton coil former
  • Ferrite magnet
  • Pressed steel basket
  • Polyamide-imide coated copper voice coil
  • Paper cone/cloth cone edge
  • Solid composition paper dust cap

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