Professional Loudspeakers
Your Global Driver Solutions Partner
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
+44 (0)1473 835300 [email protected] 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
NTR06-1705B
General Specifications
Nominal diameter (mm/in) ......................................165/6.5
Power Rating (AES, W rms) ..........................................150
Nominal impedance (
Ω
) ...................................................8
Voice coil diameter (mm/in) .................................44.5/1.75
Magnet type.....................................................Neodymium
Chassis type ...............................................Cast aluminium
Sensitivity (dB) ...............................................................95
Frequency range (Hz) ..........................................150-7000
Coil material ....................................Copper clad aluminium
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) .....................................................2.5/0.098
Gap depth (mm/in)................................................6.0/0.24
Voice coil winding width (mm/in)..........................11.0/0.43
Small Signal Parameters
D (m/in)..............................................................0.13/5.12
F
s
(Hz) ......................................................................109.6
M
md
(g/oz)....................................................12.069/0.422
M
air
(g/oz) .........................................................0.857/0.03
Q
ms
..........................................................................2.632
Q
es
...........................................................................0.527
Q
ts
...........................................................................0.439
R
e
(
Ω
) ........................................................................5.95
V
as
(lt/ft
3
) ........................................................4.062/0.143
BI (Tm) .....................................................................10.03
C
ms
(mm/N) ..............................................................0.163
R
ms
(kg/s) .................................................................3.385
L
e
(mH).......................................................................0.24
Mounting Information
Overall diameter (mm/in)...............................Max 189/7.44
....................................................................Min 162/6.38
Overall depth (mm/in).............................................71/2.79
Cut-out diameter (mm/in) .......................................145/5.7
Mounting slot dimensions (mm/in) ..........5.5/0.22 x 7.5/0.3
Number of mounting slots ................................................4
Mounting slot PCD range (mm/in) .........172-175/6.78-6.89
Unit weight (kg/lb)...............................................0.85/1.87
Packed Dimensions & Weight
Multipack (280) size W x D x H (mm/in) .....1500x1000x980
................................................................/59.1x39.4x38.6
Multipack (280) weight (kg/lb) ...............................325/715
Unit conditioned prior to measurement.
• 6.5" neodymium magnet mid-range driver with 1.75" voice coil,
providing 150Wrms (AES) continuous power handling
• Suitable for line array applications, utilising a space efficient
chassis profile
• FEA optimised 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 distortion
70
90
110
30
50
70
Frequency Response and Impedance Curves
Measured - 1W @ 1m, 2
π
