Eminence Beta-8A - Haut-parleur 8" 225 W 8 Ohms

Série BETA 225W- 350W

Recommandé pour des applications professionnelles audio, en tant que boomer/médium, ou que boomer en coffret bass reflex. Donne également de bons résultats en tant que boomer/médium en coffret clos.

SPECIFICATION

• Nominal Basket Diameter 8", 203.2 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 225 W / Music Program 450 W
• Resonance 65 Hz
• Usable Frequency Range 78 Hz - 4.5 kHz
• Sensitivity 95.1
• Magnet Weight 34 oz.
• Gap Height 0.312", 7.92 mm
• Voice Coil Diameter 2", 50.8 mm

THIELE & Small Parameters

• Resonant Frequency (fs) 65 Hz
• DC Resistance (Re) 5.99
• Coil Inductance (Le) 0.49 mH
• 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) 3.0 mm
• Surface Area of Cone (Sd) 210.0 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.
• Overall Diameter 8.24", 209.2 mm
• Baffle Hole Diameter 7.13", 181 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.22", 5.5 mm
• Mounting Holes B.C.D. 7.75", 196.9 mm
• Depth 3.5", 89 mm

MATERIALS of Construction

• Aluminum voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition pape dust cap