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Eminence ALPHA-8A НЧ-СЧ динамик 8", 125W(RMS),250W(PROG), 8 Ом, катушка 1,5"





Полноразмерное фото Eminence ALPHA-8A НЧ-СЧ динамик 8", 125W(RMS),250W(PROG), 8 Ом, катушка 1,5"
Цена: 5 290 руб.
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Eminence ALPHA-8A НЧ-СЧ динамик 8", 125W(RMS),250W(PROG), 8 Ом, катушка 1,5"

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 mm
Nominal Impedance* 8 Ohm
Power Rating*
Program Power 250 W
Watts 125 W
Resonance 73 Hz
Usable Frequency Range 58 Hz - 5 kHz
Sensitivity* 94 dB
Magnet Weight 20 oz.
Gap Height 0.25", 6.4 mm
Voice Coil Diameter 1.5", 38 mm

Thiele & Small Parameters:
Resonant Frequency (fs) 73 Hz
DC Resistance (Re) 5.3 Ohm
Coil Inductance (Le) 0.44m H
Mechanical Q (Qms) 4.6
Electromagnetic Q (Qes) 0.68
Total Q (Qts) 0.59
Compliance Equivalent Volume (Vas) 17.7 liters / 0.63 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 67 cc
Mechanical Compliance of Suspension (Cms) 0.28 mm/N
BL Product (BL) 7.8 T-M
Diaphragm Mass Inc. Airload (MMs) 17 grams
Efficiency Bandwidth Product (EBP) 107
Maximum Linear Excursion (Xmax) 3.2 mm
Surface Area of Cone (Sd) 210 cm2
Maximum Mechanical Limit (Xlim) 7.1 mm

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 0.02 cu.ft. / 0.58 liters
Overall Diameter 8.24", 209.3 mm
Baffle Hole Diameter 7.13", 181.1 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.22", 5.6mm
Mounting Holes B.C.D. 7.75", 196.9mm
Depth 3.25", 82.6 mm
Net Weight 4.3 lbs, 1.95 kg
Shipping Weight 5.1 lbs, 2.31 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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