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Eminence BETA-8A НЧ-СЧ динамик 8", 225W(RMS),450W(PROG), 8 Ом, катушка 2"





Полноразмерное фото Eminence BETA-8A НЧ-СЧ динамик 8", 225W(RMS),450W(PROG), 8 Ом, катушка 2"
Цена: 5 880 руб.
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Eminence BETA-8A НЧ-СЧ динамик 8", 225W(RMS),450W(PROG), 8 Ом, катушка 2"

Specification:
Nominal Basket Diameter 8", 203 mm
Nominal Impedance* 8 Ohm
Power Rating*
Program Power 450 W
Watts 225 W
Resonance 65 Hz
Usable Frequency Range 78 Hz - 4.5 kHz
Sensitivity* 95.1 dB
Magnet Weight 34 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm

Thiele & Small Parameters:
Resonant Frequency (fs) 65 Hz
DC Resistance (Re) 5.99 Ohm
Coil Inductance (Le) 0.49m H
Mechanical Q (Qms) 4.95
Electromagnetic Q (Qes) 0.42
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 63 cc
Mechanical Compliance of Suspension (Cms) 0.37 mm/N
BL Product (BL) 9.6 T-M
Diaphragm Mass Inc. Airload (MMs) 16 grams
Efficiency Bandwidth Product (EBP) 156
Maximum Linear Excursion (Xmax) 3 mm
Surface Area of Cone (Sd) 210 cm2
Maximum Mechanical Limit (Xlim) 7.4 mm

Mounting Information:
Recommended Enclosure Volume
Sealed 5.7-9.9 liters / 0.2-0.35 cu.ft.
Vented 8.5-19 liters / 0.3-0.67 cu.ft.
Driver Volume Displaced 0.027 cu.ft. / 0.76 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 3.5", 88.9 mm
Net Weight 6.6 lbs, 2.99 kg
Shipping Weight 7.4 lbs, 3.36 kgs
Materials of Construction
Coil Construction Aluminum 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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