Speaker - Celestion, 8", NTR08-2011D, 200W, 8Ω

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Speaker - Celestion, 8", NTR08-2011D, 200W, 8Ω

Note: special order items require additional lead time. See our page on special order items.

Special Order Item

Speaker, Celestion, NTR08-2011D, 8 in., 8 ohm.


  • 8" neodymium magnet driver providing 200W rms (AES standard) power handling and 92dB sensitivity
  • 2" high temperature copper voice coil
  • Suitable for line array applications, utilizing a space-efficient octagonal chassis profile
  • Optimized flux distribution in magnet assembly provides low harmonic distortion
  • "M-Roll" surround provides progressive excursion control, generating a smooth frequency response
  • Intelligent heat management in both chassis and magnet assembly design offers reduced thermal compression
RoHS Compliant
Item ID:
CelestionCelestion Bass
Product Measurements
Chassis TypeCast aluminium
Coil MaterialRound copper
Cone MaterialKevlar-loaded paper with weather-resistant coating
Cut-out Diameter187 mm
D170 mm
Diaphragm/Coil Mass (Mmd)23.39 g
Electrical Q Factor (Qes)0.59
Equivalent Acoustic Volume (VAS)11.3 liters
Force Factor (BxL)11.22 Wb/m
Former MaterialPolyimide
Frequency Range70 Hz - 6,000 Hz
Gap Depth8 mm
Magnet TypeNeodymium
Maximum Linear Displacement (XMAX)4 mm
Mechanical Compliance (CMS)0.16 mm/N
Mechanical Moving Mass (MMS)25.33 g
Mechanical Q Factor (QMS)1.33
Mechanical Resistance of Driver (Rms)9.6 kg/s
Mounting Hole Bolt Circle Diameter210 mm
Mounting Hole Diameter6.5 mm
Mounting Slots8
Nominal Diameter8 in.
Nominal Impedance8 Ω
Overall Depth100 mm
Overall Diameter225 mm
Power Rating200 Wrms
Resonance Frequency (ƒS)80.3 Hz
Sensitivity92 dB
Surround MaterialCloth-sealed
Total Q Factor (QTS)0.41
Voice Coil DC Resistance (Re)5.85Ω
Voice Coil Diameter2 in.
Voice Coil Inductance @ 1 kHZ (LE)0.59 mH
Voice Coil Winding Width16 mm
Packaging Information
Packaging Dimensions9 in. × 9 in. × 4 in.
Weight (Packaging)4 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet171.43 KB

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