Haut-Parleur Celestion FTR18-4080F
[FTR18-4080F-8] Avis/Critiques

600Wrms continuous power handling (measured to AES Standard)
Flexirol™ technology for greater excursion control
Saturated gap technology for lower harmonic distortion
Extremely low frequency response, down to 30Hz
Smart chassis design minimises acoustic distortion
Specially treated weather-resistant cone

General specifications
Nominal diameter (mm/in) 457/18
Power Rating (AES, W rms) 600
Nominal impedance (Ω) 8
Voice coil diameter (mm/in) 100/4
Magnet type Ceramic
Chassis type  Cast aluminium
Sensitivity (dB) 97
Frequency range (Hz) 30-3000
Coil material  Round copper
Former material  Round copper
Cone material  Glass loaded paper with weather resistant impregnation
Surround material Cloth-sealed
Suspension Single
Xmax (mm/in)  6.0/0.24
Gap depth (mm/in)  10.0/0.39
Voice coil winding width (mm/in)  22.0/0.87

Small Signal Parameters
Sd (m2/in2) 0.113/175.79
D (m/in)  0.38/14.96
Fs (Hz)  28
Mmt (g/oz)  158.22/5.58
Mmd (g/oz)  136.61/4.82
Qms 5.12
Qes 0.28
Qts 0.27
Re (Ω) 5.27
Vas (lt/ft3)  383.3/13.53
BI (Tm)  22.64
Cms (mm/N)  0.21
Rms (kg/s)  5.38
Le (mH)  1.46

Mounting Information
Overall diameter (mm/in)  462/18.19
Overall depth (mm/in)  205/8.07
Cut-out diameter (mm/in)  416/16.38
Mounting slot dimensions (mm/in)  7 x 10/0.28 x 0.39
Number of mounting slots 8
Mounting slot PCD range (mm/in)  429-440/16.89-17.32
Unit weight (kg/lb) 9.7/21.4

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