Celestion TF range TF1218 Specifications
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TF1218
• Bass and mid range driver offering a superior
price/performance ratio
• Kevlar-impregnated cone with sealed surround and damping for
reduced distortion
• High temperature copper voice coil wound on polyimide for
increased reliability
• Suitable for use in 2-way systems
Frequency Response and Impedance Curves
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
FREQUENCY (Hz)
General Specifications
Nominal diameter (mm/in) ...................................... 305/12
Power rating (AES, W rms) ......................................... 100
Nominal impedance ( Ω ) ................................................. 8
Voice coil diameter (mm/in) ................................ 44.5/1.75
Magnet type............................................................ Ferrite
Magnet weight (kg/oz)............................................0.88/31
Chassis type ................................................. Pressed steel
Sensitivity (dB) .............................................................. 97
Frequency range (Hz)........................................... 60-4500
Coil material ............................................... Round copper
Former material .................................................. Polyimide
Cone material ..................................... Kevlar loaded paper
Surround material .......................................... Cloth-sealed
Suspension ............................................................. Single
Xmax (mm/in) ...................................................... 2.0/0.08
Gap depth (mm/in)............................................... 6.0/0.24
Voice coil winding width (mm/in) ....................... 10.0/0.39
Small Signal Parameters
D (m/in) .......................................................... 0.26/10.24
F
(Hz) .......................................................................... 62
s
M
air
M
md
Q
ms
Q
es
Q
ts
R
( Ω ) ...................................................................... 5.55
e
V
as
Bl (Tm) ................................................................... 10.90
C
ms
R
ms
L
(mH).......................................................................0.57
e
Mounting Information
Overall diameter (mm/in) .................................. 309/12.17
Overall depth (mm/in).......................................... 125/4.92
Cut-out diameter (mm/in) .................................. 283/11.14
Mounting slot dimensions (mm/in)..................... Ø 7.9/0.31
Number of mounting slots ............................................... 4
Mounting PCD range (mm/in) ............................ 297/11.69
Unit weight (kg/lb).................................................. 2.7/6.0
Packed Dimensions & Weight
Single pack size W x D x H (mm/in) ...........330 x 330 x 150
............................................................ /13.0 x 13.0 x 5.9
Single pack weight (kg/lb) ........................................ 4/8.8
Multi pack (60) size W x D x H (mm/in) ...... 1080 x 980 x 880
.......................................................... /42.5 x 38.6 x 34.6
Multi pack (60) weight (kg/lb) .............................. 250/551
Measured - 1W @ 1m, 2π
(g/oz) ...................................................... 6.91/0.244
(g/oz) ...................................................... 32.50/1.15
.......................................................................... 4.90
........................................................................... 0.72
........................................................................... 0.63
(lt/ft
3
) .......................................................... 66.6/2.35
(mm/N) .............................................................. 0.17
(kg/s) ................................................................. 3.14
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