Celestion NTR Range NTR08-2011D Specifications

NTR08-2011D
• 8" neodymium magnet driver with 2" voice coil, providing
200Wrms (AES) continuous power handling
• Suitable for line array applications, utilizing a space-efficient
octagonal chassis profile
• Optimized flux distribution in the 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
Frequency Response and Impedance Curves
110
90
70
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
+44 (0)1473 835300 sales@celestion.com www.celestionprofessional.com
Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05
70
50
30
Measured - 1W @ 1m, 2π
General Specifications
Nominal diameter (mm/in) .........................................203/8
Power Rating (AES, W rms) ..........................................200
Nominal impedance ( Ω ) ...................................................8
Voice coil diameter (mm/in) ...................................50.8/2.0
Magnet type.....................................................Neodymium
Chassis type ...............................................Cast aluminium
Sensitivity (dB) ...............................................................92
Frequency range (Hz) ............................................70-6000
Coil material..................................................Round copper
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) .......................................................4.0/0.16
Gap depth (mm/in)................................................8.0/0.32
Voice coil winding width (mm/in)..........................15.0/0.63
Small Signal Parameters
D (m/in)..............................................................0.17/6.69
F (Hz) ........................................................................80.3
s
M (g/oz)......................................................23.39/0.826
md
M (g/oz).........................................................1.94/0.068
air
Q ............................................................................1.33
ms
Q .............................................................................0.59
es
Q .............................................................................0.41
ts
R ( Ω ) ........................................................................5.85
e
V (lt/ft 3 ) ..........................................................11.3/0.399
as
BI (Tm) .....................................................................11.22
C (mm/N) ................................................................0.16
ms
R (kg/s) .....................................................................9.6
ms
L (mH).......................................................................0.59
e
Mounting Information
Overall diameter (mm/in) ........................................225/8.8
Overall depth (mm/in)...........................................100/4.16
Cut-out diameter (mm/in) .......................................187/7.4
Mounting slot dimensions (mm/in) .........................6.5/0.26
Number of mounting slots ................................................8
Mounting slot PCD/ width accross flats ...................210/8.3
Unit weight (kg/lb)...............................................1.52/3.34
Packed Dimensions & Weight
Multipack (120) size W x D x H (mm/in) .....1500x1000x980
................................................................/59.1x39.4x38.7
Multipack (120) weight (kg/lb) ...............................210/462
Unit conditioned prior to measurement.
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