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speakers - technology - sound - OBERTON 8NMB250VCX Speakers

OBERTON 8NMB250VCX 8" Coaxial Neodymium Loudspeaker, 2.5" LF + 1.75" HF voice coil, 250 W + 40 W , 98 dB +110 dB, 8 Ohm + 16 Ohm

  • Condition: New
  • Stock: Pre-Order
  • Model: 8NMB250VCX
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The 8NMB250VCX is a 8" / 1" coaxial transducer with integrated HF horn, designed for use in compact reflex enclosures with high SPL and nominal dispersion of 60 degrees.

The low profile, smooth curvilinear LF cone together with HF horn increase the SPL in vocal range, which ensure big headroom. The cone with water prove protective coating, allowing application in a wide range of environments. The state-of-the-art 62 mm (2.5 in) LF voice coil has Glassfiber former, which together with high temperature resistant resin ensure high reliability by high power. The double aluminium demodulating rings reduce distortion and inductance and improve transient response.

The neodymium 1" exit compression driver adopted is our ND45 model. The HF driver diaphragm assembly, using triple layer polyester dome this together with phasing plug improve linearity of frequency response in high end.

Speaker Diameter
LF Nominal Diameter8" / 210 mm
Nominal Impedance
LF Nominal Impedance8 Ohms
DC Resistance10.6 Ohms
Minimum Impedance
LF Minimum Impedance6.87 Ohms
HF Minimum Impedance12.37 Ohms
Power Capacity
LF Power Capacity AES250 W
HF Power Capacity(1-20 kHz) 40 W
Program Power
LF Program Power500 W
HF Program Power80 W
LF Sensitivity(200-2000 Hz) 98 dB/W/m
HF Sensitivity(1-15 kHz) 110 dB/W/m
Frequency Range
LF Frequency Range85 - 2000 Hz
Frequency Range85 - 20000 Hz
HF Frequency Range1-20 kHz
Voice Coil Diameter
LF Voice Coil Diameter62 mm (2.5 in.)
HF Voice Coil Diameter44 mm (1.75 in)
Voice Coil Material
LF Voice Coil MaterialAluminium
HF Voice Coil MaterialAluminium
Voice Coil Former
LF Voice Coil FormerGlassfiber
V.C. Winding Depth
LF V.C. Winding Depth12 mm
Magnet Gap Depth
LF Magnet Gap Depth7 mm
Cone Material
LF Cone MaterialPaper with carbon fibers
Basket Material
LF BasketDie cast aluminium
Magnet Material
LF Magnet MaterialNeodymium
Flux Density
LF Flux Density1.55 T
HF Flux Density1.9 T

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