Professional Loudspeakers
Your Global Driver Solutions Partner
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05
FTR15-4080HD
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) .............................................................. 94
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).................................................... 7.75/0.31
Gap depth (mm/in)............................................... 9.5/0.37
Voice coil winding width (mm/in) ....................... 25.0/0.98
Small Signal Parameters
D (m/in) .......................................................... 0.33/12.99
Fs(Hz) ....................................................................... 37.1
Mmt (g/oz) ........................................................ 130.4/4.6
Mmd (g/oz) .................................................... 116.25/4.10
Qms .......................................................................... 4.67
Qes ........................................................................... 0.33
Qts ........................................................................... 0.31
Re(
Ω
) ...................................................................... 5.89
Vas (lt/ft3) ...................................................... 146.29/5.16
Bl (Tm) ................................................................... 23.15
Cms (mm/N) .............................................................. 0.14
Rms (kg/s) ................................................................. 6.51
Le (mH)...................................................................... 1.09
Mounting Information
Overall diameter (mm/in) .................................. 385/15.16
Overall depth (mm/in).......................................... 173/6.81
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
• Optimised for very long throw applications
• Smart chassis design minimises acoustic distortion
Frequency Response and Impedance Curves
