LF Cast Chassis / Ferrite

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FTR18-4080F

FTR18-4080F
FTR18-4080F

Features

  • 18" ferrite woofer provides 600Wrms power handling (AES Standard) and 97dB sensitivity
  • 4" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
  • FlexirolTM surround for greater excursion control
  • Low frequency response, down to 30Hz
  • Smart chassis design minimises acoustic distortion
  • Specially treated weather-resistant cone

8Ω Frequency Response

Product Graph
  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 2π anechoic environment.
  3. Xmax derived from: (voice coil winding width-gap depth)/2.

General Specifications

Nominal diameter
452mm/17.8in
Power rating1
600Wrms
Nominal impedance
Sensitivity2
97dB
Frequency range
30-3000Hz
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
Single
Xmax3
6mm/0.24in
Gap depth
10mm/0.39in
Voice coil winding width
22mm/0.87in

Small Signal Parameters

D
0.38m/14.96in
Fs
32.7Hz
Mms
158.22g/5.58oz
Mmd
136.61g/4.82oz
Qms
5.24
Qes
0.32
Qts
0.30
Re
5.31Ω
Vas
271.99lt/9.6ft3
BI
23.31Tm
Cms
0.15mm/N
Rms
6.21kg/s
Le (at 1kHz)
1.46mH

Mounting Information

Diameter
452mm/17.8in
Overall depth
205mm/8.07in
Cut-out diameter
416mm/16.38in
Mounting slot dimensions
10mm x 7mm/0.39in x 0.27in
Number of mounting slots
8
Mounting PCD range
429-440mm/16.89-17.32in
Unit weight
9.7kg/21.4lb

Packed Dimensions & Weight

Single pack size W x D x H
500mm x 500mm x 240mm
/19.7in x 19.7in x 9.4in
Single pack weight
11.5kg/25.4lb
Multi pack (24) size W x D x H
1500mm x 1000mm x 980mm
/59.1in x 39.4in x 38.6in
Multi pack (24) weight
276kg/608lb