Data Sheet

LF Cast Chassis / Ferrite
FTR15-4080HDX
Features
15" ferrite woofer provides 1000Wrms (AES standard) power handling and a
frequency response of 40Hz-2500Hz
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
Less than 10kg – very low weight for this product class
8 Ω Frequency Response
1. Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power
calculated on minimum impedance. Loudspeaker tested in free air.
2. Measured on axis at 1W, 1m in 2 anechoic environment.
3. Xmax derived from: (voice coil winding width-gap depth)/2.
4. Small signal parameters measured after unit subjected to pre-conditioning signal.
General Specifications
Nominal diameter 381mm/15in
Power rating
1
1000Wrms
Nominal impedance 8 Ω
Sensitivity
2
96dB
Frequency range 40-2500Hz
Voice coil diameter 100mm/4in
Chassis type Cast aluminium
Magnet type Ferrite
Magnet weight 3.1kg/110oz
Coil material Round copper
Former material Glass fibre
Cone material Glass loaded paper with weather-resistant
impregnation
Surround material Cloth-sealed
Suspension Double
Xmax
3
8mm/0.33in
Gap depth 9.5mm/0.37in
Voice coil winding width 25mm/0.99in
Small Signal Parameters
4
D 0.33m/12.99in
Fs 40.5Hz
Mms 153.53g/5.42oz
Mmd 139.38g/4.92oz
Qms 3.98
Qes 0.36
Qts 0.33
Re 5.10 Ω
Vas 104.27lt/3.68ft3
BI 23.53Tm
Cms 0.10mm/N
Rms 9.81kg/s
Le (at 1kHz) 1.8mH
Mounting Information
Diameter 385mm/15.16in
Overall depth 180mm/7.1in
Cut-out diameter 351mm/13.82in
Mounting slot dimensions 10mm x 7mm/0.39in x 0.27in
Number of mounting slots 8
Mounting PCD range 365-375mm/14.37-14.76in
Unit weight 9.7kg/21.3lb
Packed Dimensions & Weight
Single pack size W x D x H 435mm x 435mm x 200mm
/17.1in x 17.1in x 7.9in
Single pack weight 11.5kg/25.4lb
Multipack (36) size W x D x H 1210mmx1050mmx980mm
/47.6inx41.3inx35.4in
Multipack (36) weight 380kg/836lb
Celestion, Claydon Business Park, Great Blakenham, Ipswich, IP6 0NL United Kingdom