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
FTR15-4080FD
General Specifications
Nominal diameter (mm/in) ...................................... 381/15
Power rating (AES, W rms) ....................................... 1000
Nominal impedance (
Ω
) ................................................. 8
Voice coil diameter (mm/in) ...................................... 100/4
Magnet type............................................................ Ferrite
Magnet weight (kg/oz)............................................3.1/110
Chassis type.............................................. Cast Aluminium
Sensitivity (dB) .............................................................. 97
Frequency range (Hz) ........................................... 35-2500
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) ......................................................... 6/0.24
Gap depth (mm/in)............................................. 10.0/0.39
Voice coil winding width (mm/in) ....................... 22.0/0.87
Small Signal Parameters
D (m/in) .......................................................... 0.33/12.99
F
s
(Hz) ....................................................................... 34.3
M
mt
(g/oz) ..................................................... 126.39/4.46
M
md
(g/oz) .................................................... 112.24/3.96
Q
ms
.......................................................................... 3.27
Q
es
........................................................................... 0.27
Q
ts
........................................................................... 0.25
R
e
(
Ω
) ...................................................................... 5.37
V
as
(lt/ft
3
) ........................................................ 140.0/4.94
Bl (Tm) ................................................................... 22.89
C
ms
(mm/N) .............................................................. 0.17
R
ms
(kg/s) ............................................................... 8.152
L
e
(mH) ...................................................................... 1.38
Mounting Information
Overall diameter (mm/in) .................................. 385/15.16
Overall depth (mm/in).......................................... 170/6.69
Cut-out diameter (mm/in) .................................. 351/13.82
Mounting slot dimensions (mm/in)......... 7 x 10/0.28 x 0.39
Number of mounting slots ............................................... 8
Mounting PCD range (mm/in) .......... 365-375/14.37-14.76
Unit weight (kg/lb)................................................ 9.5/20.9
Packed Dimensions & Weight
Single pack size W x D x H (mm/in) ...........435 x 435 x 200
............................................................./17.1 x 17.1 x 7.9
Single pack weight (kg/lb) ................................. 10.8/23.8
Multi pack (36) size W x D x H (mm/in) ..............................
..............................1200 x 1000 x 980/47.2 x 39.4 x 38.6
Multi pack (36) weight (kg/lb) .............................. 390/860
• 1000Wrms continuous power handling (AES Standard)
• Flexirol
TM
technology for greater excursion control
• Double suspension for exceptional linearity at the highest
excursions
• Saturated gap technology for lower harmonic distortion
• Low frequency response, down to 35Hz
• Smart chassis design minimises acoustic distortion
70
90
110
30
50
70
Frequency Response and Impedance Curves
FREQUENCY (Hz)
Measured - 1W @ 1m, 2
π
