Oberton 8NM250

Item number: 56570

Category: 8-10" Oberton


Now only 141,31 €

including 19% VAT., plus shipping (Paketversand)

Old price: 148,75 €
Discount: 5%
Available

Shipping time: 7 - 10 workdays

piece


Description

Oberton 8NM250 8" 250 W 16 Ohm Loudspeaker Driver


 

The 8NM250 is  high efficiency, high power midrange neodymium loudspeaker, specially designed to provide superior sound pressure level.  It features 64 mm aluminium voice coil, aluminium die cast frame with powerful neodymium magnet structure. It is suitable for application as high power midrange in direct radiating boxes and horn loaded application.


     
  • 100 db 1W / 1m average sensitivity
  • 64 mm high temperature voice coil
  • Two demodulating rings
  • 500 W AES program power

Specifications:


 

  • Nominal Diameter 8"/210 inch/mm
  • Impedance 16 Ohm 
  • Minimum Impedance 13.7 Ohm
  • Power Capacity AES ¹ 250 W
  • Program Power ² 500 W
  • Sensitivity (500-5000 Hz) 100 dB/W/m
  • Frequency Range 100 ? 5000 Hz
  • Voice Coil Diameter 64 mm
  • Voice Coil Material Aluminium
  • Voice Coil Former Glassfiber
  • Voice Coil Winding Depth 10 mm
  • Magnet Gap Depth 9 mm
  • Cone Material Paper with carbone fiber
  • Basket Die cast aluminium
  • Magnet Neodymium
  • Flux Density 1.40 T


 

Thiele-Small Parameters:


 

  • Resonance Frequency 67.70 Hz
  • Mechanical Efficiency Factor (Qms) 14.49
  • Electrical Efficiency Factor (Qes) 0.140
  • Total Q (Qts) 0.138
  • Equivalent Air Volume (Vas ) 19.12 Litres
  • Diaphragm mass ind. airload (Mms) 16.15 grams
  • Voice Coil Resistance Re 10.74 Ohms
  • Effective Diagram Area (Sd) 202 cm2
  • Peak Linear Displacement of Diaphragm (Xmax)* 2.75 mm
  • Mechanical Compliance of Suspension (Cms) 0.342 mm/N
  • BL Product (BL) 23.00 T.m
  • V.C. Inductance at 1 kHz (Le) 0.27 mH


 

Mounting Information:


 

  • Overall Diameter 225 mm
  • Baffle Hole Diameter  187 mm
  • Number of Mounting Holes 8 with dia. 6.5 mm
  • Bolt Circle Diameter 210 mm
  • Overall Depth 84 mm
  • Net Weight 2.70 kg

Shipping weight: 2,70 Kg

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