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Eminence Beta - 12" Speaker 250 W 4 Ohm

Item number: ADHEB12C

Category: Eminence


73,00 €

including 19% VAT., plus shipping (Paketversand)

Recommended retail price: 97,00 €
(You save 24.74%, that is 24,00 €)
Available now!

Shipping time: 1 - 3 workdays



Description


BETA- 12A Series Standard American

Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also
works well for PA in a sealed or bandpass enclosure.


SPECIFICATION
  • Nominal Basket Diameter 12", 304.8 mm
  • Nominal Impedance 4 ohms
  • Power Rating Watts 250 W / Music Program 500 W
  • Resonance 47 Hz
  • Usable Frequency Range 43 Hz - 3.8 kHz
  • Sensitivity 98
  • Magnet Weight 38 oz.
  • Gap Height 0.312", 7.92 mm
  • Voice Coil Diameter 2", 50.8 mm

THIELE & Small Parameters
  • Resonant Frequency (fs) 45.5 Hz
  • DC Resistance (Re) 3.47
  • Coil Inductance (Le) 0.75 mH
  • Mechanical Q (Qms) 9.57
  • Electromagnetic Q (Qes) 0.49
  • Total Q (Qts) 0.46
  • Compliance Equivalent Volume (Vas) 115.0 liters
  • Peak Diaphragm Displacement Volume (Vd) 128.0 cc
  • Mechanical Compliance of Suspension (Cms) 0.279 mm/N
  • BL Product (BL) 9.46 T-M
  • Diaphragm Mass inc. Airload (Mms) 43.9 grams
  • Efficiency Bandwidth Product (EBP) 93.4
  • Maximum Linear Excursion (Xmax) 2.37 mm
  • Surface Area of Cone (Sd) 538.9 cm²
  • Maximum Mechanical Limit (Xlim) 11 mm

MOUNTING Information
  • Recommended Enclosure Volume 
    Sealed 25.5-35.4 liters, 0.9-1.25 cu.ft. 
    Vented 36.8-139 liters/1.3-4.9 cu.ft.
  • Overall Diameter 12.03", 305.5 mm
  • Baffle Hole Diameter 10.95", 278.1 mm
  • Front Sealing Gasket standard fitted as standard
  • Rear Sealing Gasket standard fitted as standard
  • Mounting Holes Diameter 0.25", 6.4 mm
  • Mounting Holes B.C.D. 11.59", 294.3 mm
  • Depth 4.57", 116 mm

MATERIALS of Construction
  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented and extended core
  • Pressed steel basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition paper dust cap

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