Eminence Beta 8 CX

Beta-8CX American Standard Series

 

Recommended for professional audio mid-range reproduction in sealed enclosures. Also suitable for mid-bass or floor monitor applications in vented 2-way cabinets.

 

 

 

Achtung: Adapter EAPT3 und Hochtontreiber APT50 notwendig!

 

SPECIFICATION

 

    * Nominal Basket Diameter 8", 203.2 mm
    * Nominal Impedance 8 ohms
    * Power Rating 250 W
    * Resonance 54 Hz
    * Usable Frequency Range 88 Hz - 20 kHz
    * Sensitivity 92
    * Magnet Weight 38 oz.
    * Gap Height 0.312", 7.92 mm
    * Voice Coil Diameter 2", 50.8 mm

 

 

 

THIELE & Small Parameters

 

    * Resonant Frequency (fs) 54 Hz
    * DC Resistance (Re) 5.53
    * Coil Inductance (Le) 0.96 mH
    * Mechanical Q (Qms) 7.67
    * Electromagnetic Q (Qes) 0.31
    * Total Q (Qts) 0.30
    * Compliance Equivalent Volume 34.9 liters (Vas) 34.9 liters / 1.2 cu. ft.
    * Peak Diaphragm Displacement Volume 66 cc
    * Mechanical Compliance of Suspension 0.59 mm/N
    * BL Product (BL) 9.5 T-M
    * Diaphragm Mass inc. Airload (Mms) 15 grams
    * Efficiency Bandwidth Product (EBP) 174
    * Maximum Linear Excursion (Xmax) 3.2 mm
    * Surface Area of Cone (Sd) 205.9 cm²
    * Maximum Mechanical Limit (Xlim) 6.9 mm

 

MOUNTING Information

 

    * Recommended Enclosure Volume
    * Sealed 5.7-8.5 liters/0.2-0.3 cu.ft.
    * Vented 8.5-17 liters/0.3-0.6 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

 

    * Copper voice coil
    * Polyimide former
    * Ferrite magnet
    * Extended core
    * Pressed steel basket
    * Paper Cone
    * Cloth cone edge
    * Screened cloth dust cap