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
TN1020
General Specifications
Nominal diameter (mm/in) .......................................254/10
Power Rating (AES, W rms)...........................................150
Nominal impedance (
Ω
) ...................................................8
Voice coil diameter (mm/in) ......................................51/2.0
Magnet type.....................................................Neodymium
Chassis type ..................................................Pressed steel
Sensitivity (dB) ...............................................................98
Frequency range (Hz) ............................................65-4000
Coil material..................................................Round copper
Former material ...................................................Polyimide
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) .....................................................2.0/0.079
Gap depth (mm/in)................................................8.0/0.32
Voice coil winding width (mm/in)..........................12.0/0.47
Small Signal Parameters
D (m/in)..............................................................0.21/8.27
F
s
(Hz) ........................................................................80.7
M
md
(g/oz)........................................................23.18/0.82
M
air
(g/oz) ...........................................................3.64/0.12
Q
ms
............................................................................2.24
Q
es
.............................................................................0.35
Q
ts
.............................................................................0.30
R
e
(
Ω
) ........................................................................5.62
V
as
(lt/ft
3
) ..........................................................24.62/0.87
BI (Tm) .....................................................................14.84
C
ms
(mm/N) ..............................................................0.145
R
ms
(kg/s) ...................................................................6.08
L
e
(mH).......................................................................0.46
Mounting Information
Overall Diameter (mm/in)....................................256/10.08
Overall depth (mm/in)...........................................110/4.33
Cut out diameter (mm/in) .....................................229/9.02
Mounting slot dimensions (mm/in)............6 x 8/0.24 x 0.31
Number of mounting slots ................................................4
Mounting slot PCD (mm/in)...................................245/9.65
Unit weight (kg/lb)...................................................1.5/3.4
Packed Dimensions and Weight
Single pack size W x D x H (mm/in) ...........280 x 280 x 120
............................................................./11.0 x 11.0 x 4.7
Single pack weight (kg/lb) .......................................1.7/3.7
Multipack (96) size W x D x H (mm/in) .....1008 x 880 x 820
.........................................................../39.7 x 34.6 x 32.3
Multipack (96) weight (kg/lb) .................................165/364
Unit conditioned prior to measurement.
• High sensitivity bass and mid-range driver
• Features compact and lightweight neodymium magnet assembly
• Smart use of venting and specially designed heatsink for reduced
thermal compression
• Effective flux management enables increased sensitivity
Frequency Response and Impedance Curves
70
90
110
30
50
70
Measured - 1W @ 1m, 2
π
