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FTR12-4080HDX
• 12" ferrite subwoofer offers 1000Wrms (AES) continuous power
handling and a frequency response of 47Hz-3kHz
• 4" high temperature Inside/Outside voice coil efficiently
dissipates heat, preventing sensitivity loss through thermal
compression
• Double suspension and a "multi-roll" surround provide
exceptional linearity at extremes of cone excursion
• Intelligent heat management in both chassis and magnet
assembly design further minimizes distortion
Frequency Response and Impedance Curves
110
90
70
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
70
50
30
Measured - 1W @ 1m, 2π
General Specifications
Nominal diameter (mm/in) .......................................305/12
Power Rating (AES, W rms).........................................1000
Nominal impedance ( Ω ) ...................................................8
Voice coil diameter (mm/in) .................................101.6/4.0
Magnet type .............................................................Ferrite
Chassis type ...............................................Cast aluminium
Sensitivity (dB) ...............................................................93
Frequency range (Hz) ............................................47-3000
Coil material..................................................Round copper
Former material..................................................Glass fibre
Cone material....................Glass loaded paper with weather
........................................................resistant impregnation
Surround material............................................Cloth-sealed
Suspension..............................................................Double
Xmax (mm/in) .......................................................8.0/0.32
Gap depth (mm/in)..............................................10.0/0.39
Voice coil winding width (mm/in)..........................25.0/0.98
Small Signal Parameters
D (m/in)............................................................0.26/10.24
F
(Hz) ........................................................................61.2
s
M
(g/oz)....................................................101.764/3.59
md
M
(g/oz).........................................................6.92/0.244
air
Q
..........................................................................2.228
ms
Q
...........................................................................0.446
es
Q
...........................................................................0.372
ts
R
( Ω ) ........................................................................6.05
e
V
(lt/ft
3
) ........................................................24.79/0.875
as
BI (Tm) .....................................................................23.81
C
(mm/N) ..............................................................0.062
ms
R
(kg/s) ...............................................................18.768
ms
L
(mH).......................................................................1.92
e
Mounting Information
Overall diameter (mm/in) ......................................313/12.3
Overall depth (mm/in).............................................158/6.2
Cut-out diameter (mm/in) .....................................282/11.1
Mounting slot dimensions (mm/in).........10 x 6.5/0.4 x 0.26
Number of mounting slots ................................................8
Mounting slot PCD range (mm/in) .........291-301/11.7-11.9
Unit weight (kg/lb).................................................9.6/21.1
Packed Dimensions & Weight
Single pack size W x D x H (mm/in) ...........350 x 350 x 180
............................................................./13.8 x 13.8 x 7.1
Single pack weight (kg/lb) ...................................11.4/25.1
Multipack (36) size W x D x H (mm/in) ..........1210 x 1050 x
.....................................................980/47.6 x 41.3 x 35.4
Multipack (36) weight (kg/lb) .................................380/836
Unit conditioned prior to measurement.
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