BETA-8A
9 870 руб.
- Рекомендована для применения в профессиональных акустических системах закрытого типа для воспроизведения средних, и средне-басовых частот. Или в качестве НЧ динамика в корпусах с фазоинвертором.
Specification
Nominal Basket Diameter
8″, 203 mm
Nominal Impedance*
8 Ω
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 Ω
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
