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





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

Eminence ALPHA-8MRA Recommended for pro audio and bass guitar applications as a midrange. Sealed basket makes this woofer independent of enclosure design.


Specification:
Nominal Basket Diameter 8", 203 mm
Nominal Impedance* 8 Ohm
Power Rating*
Program Power 250 W
Watts 125 W
Resonance 514 Hz
Usable Frequency Range 400 Hz - 4.8 kHz
Sensitivity* 100.9 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) 514 Hz
DC Resistance (Re) 7.32 Ohm
Coil Inductance (Le) 0.34m H
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) 0 cc
Mechanical Compliance of Suspension (Cms) 0.01 mm/N
BL Product (BL) 8.9 T-M
Diaphragm Mass Inc. Airload (MMs) 7 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 mm

Mounting Information:
Recommended Enclosure Volume
Sealed N/a
Vented - liters / - cu.ft.
Driver Volume Displaced 0.02 cu.ft. / 0.58 liters
Overall Diameter 8.22", 208.8 mm
Baffle Hole Diameter 7.19", 182.6 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.22", 5.6mm
Mounting Holes B.C.D. 7.78", 197.6mm
Depth 3.25", 82.6 mm
Net Weight 4.4 lbs, 2 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 with closed back
Cone Composition Paper cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Solid composition paper dust cap

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