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
NTR06-1705D
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) ...............................................................90
Frequency range (Hz) ............................................70-7000
Coil material ....................................Copper clad aluminium
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) .......................................................4.5/0.18
Gap depth (mm/in)................................................6.0/0.24
Voice coil winding width (mm/in)..........................15.0/0.63
Small Signal Parameters
D (m/in)..............................................................0.13/5.12
F
s
(Hz) ........................................................................59.3
M
md
(g/oz)......................................................15.89/0.561
M
air
(g/oz) .....................................................0.8651/0.031
Q
ms
..........................................................................8.452
Q
es
...........................................................................0.487
Q
ts
...........................................................................0.461
R
e
(
Ω
) ........................................................................5.38
V
as
(lt/ft
3
) ......................................................10.725/0.379
BI (Tm) .........................................................................8.3
C
ms
(mm/N) ................................................................0.43
R
ms
(kg/s) .................................................................0.738
L
e
(mH).....................................................................0.295
Mounting Information
Overall diameter (mm/in)...............................Max 189/7.44
....................................................................Min 162/6.38
Overall depth (mm/in).............................................87/3.43
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)...............................................0.95/2.09
Packed Dimensions & Weight
Multi pack (280) size W x D x H (mm/in) ....... 1500x1000x980
..................................................................../59.1x39.4x38.7
Multi pack (280) weight (kg/lb) ............................ 375/825
• 6.5" neodymium magnet woofer with 1.75" voice coil, providing
150Wrms (AES) continuous power handling
• Optimized flux distribution in the magnet assembly provides low
harmonic distortion
• Half-roll rubber surround provides greater excursion and
improved modal distribution
• Intelligent heat management in both chassis and magnet
assembly design offers reduced thermal compression
• Copper sleeved pole reduces inductive rise for improved HF
performance
• Space efficient chassis profile
70
90
110
30
50
70
Frequency Response and Impedance Curves
Preliminary Data
Measured - 1W @ 1m, 2
π
