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Brand


Category
Oberton
Oberton 12B450 - 12" 450W 8 Ohm
SPL: 96.8dB Fs: 46Hz Xmax: 7.8mm
 
Product Code: OBN12B450 | Brand: Oberton

   
£115.88
£96.57 ex VAT
Qty:

2-3 £114.15 ea.4-7 £112.41 ea.8+ £110.67 ea.
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£4.01 DELIVERY to mainland UK

Oberton 12B450 - 12" 450W 8 Ohm

The 12B450 loudspeaker is combining very good linearity and efficiency with high power handling capabilities, with use of 77 mm aluminium voice coil. It features vented aluminium die cast frame, 180 mm magnet structure and curvilinear paper cone. 12B450 is suitable for application as LF driver in small stage monitors and 2- way PA boxes with 1" HF driver.


Key Features


  • 99 db 1W / 1m average sensitivity
  • 77 mm high temperature aluminium voice coil
  • 900 W AES program power
  • Powerful, vented 180 mm magnet structure
  • Double aluminium demodulating rings for lower distortion and improved heat dissipation
  • Silicone spider

Specifications


  • Nominal Diameter - 12"/315 inch/mm
  • Impedance - 8 Ohm
  • Minimum Impedance - 6.22 Ohm
  • Power Capacity AES ¹ - 450 W
  • Program Power ² - 900 W
  • Sensitivity - (200-2000 Hz) 99dB/W/m
  • Frequency Range - 50 - 3000 Hz
  • Voice Coil Diameter - 77 mm
  • Voice Coil Material - Aluminium
  • Voice Coil Former - Kapton™
  • Voice Coil Winding Depth - 21 mm
  • Magnet Gap Depth - 11 mm
  • Cone Material - Paper
  • Basket - Die cast aluminium
  • Magnet - Ferrite
  • Flux Density - 1.20 T

Thiele-Small Parameters


  • Resonance Frequency - 46.29 Hz
  • Mechanical Efficiency Factor (Qms) - 9.56
  • Electrical Efficiency Factor (Qes) - 0.241
  • Total Q (Qts) - 0.235
  • Equivalent Air Volume (Vas ) - 71.75 Litres
  • Diaphragm mass ind. airload (Mms) - 60.97 grams
  • Voice Coil Resistance Re - 5.07 Ohms
  • Effective Diagram Area (Sd) - 514.7 cm2
  • Peak Linear Displacement of Diaphragm (Xmax)* - 7.75 mm
  • Mechanical Compliance of Suspension (Cms) - 0.194 mm/N
  • BL Product (BL) - 19.31 T.m
  • V.C. Inductance at 1 kHz (Le) - 1.10 mH

Mounting Information


  • Overall Diameter - 315 mm
  • Baffle Hole Diameter - 280 mm
  • Number of Mounting Holes - 8 eliptic 7x8 mm
  • Bolt Circle Diameter - 296 / 298 mm
  • Overall Depth - 153 mm
  • Net Weight - 7.5 kg
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