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Alpha 8

Alpha 8

Alpha 8

Alpha 8
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NZ $149.00
incl GST
Stock Level:
Qty.
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.
ALPHA-8A
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented satellite enclosure.
 
Specification
Nominal Basket Diameter 8", 203.2mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 125W
Music Program 250W
Resonance 73Hz
Usable Frequency Range 58Hz - 5kHz
Sensitivity*** 94dB
Magnet Weight 20 oz.
Gap Height 0.25", 6.35mm
Voice Coil Diameter 1.5", 38.1mm
Thiele & Small Parameters
Resonant Frequency (fs) 73Hz
DC Resistance (Re) 5.3
Coil Inductance (Le) 0.44mH
Mechanical Q (Qms) 4.6
Electromagnetic Q (Qes) 0.68
Total Q (Qts) 0.59
Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 67cc
Mechanical Compliance of Suspension (Cms) 0.28mm/N
BL Product (BL) 7.8 T-M
Diaphragm Mass Inc. Airload (MMs) 17 grams
Efficiency Bandwidth Product (EBP) 107
Maximum Linear Excursion (Xmax) 3.2mm
Surface Area of Cone (Sd) 210 cm2
Maximum Mechanical Limit (Xlim) 7.1mm
Mounting Information
Recommended Enclosure Volume
Sealed 5-7 liters / 0.18-0.25 cu.ft.
Vented 16.7-25.5 liters / 0.59-0.9 cu.ft.
Driver Volume Displaced 35.3 cu.in. / 0.58 liters
Overall Diameter 8.24", 209.2mm
Baffle Hole Diameter 7.13", 181mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.22", 5.5mm
Mounting Holes B.C.D. 7.75", 196.9mm
Depth 3.25", 83mm
Net Weight 4.3 lbs, 1.9 kg
Shipping Weight 5.1 lbs, 2.3 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
   
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap
 
 

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P:    + 64 9 378 9863
F:    + 64 9 378 0542
E:    john@livesound.co.nz
       ben@livesound.co.nz 
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34C Crummer Road, Grey Lynn 1021,
Auckland, New Zealand

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To 11th Jan