Celestion FTR15-3070C ferrite woofer 15 inches 400 W 8 ohms

Product specifications

• 15" ferrite woofer
• 3" voice coil
• power handling: 400 Wrms
• nominal impedance: 8 ohms
• sensitivity: 99 dB
• frequency range: 40 - 4000 Hz
• voice coil diameter: 75 mm (3")
• weather-resistant cone
• chassis type: die-cast aluminium
• magnet type: ceramic (ferrite/ferrite)
• magnet weight: 2.3 kg (81 oz.)
• coil material: copper wire
• surround material: fabric seal
• voice coil carrier material: glass fibre
• cone material: impregnated paper, glass-fibre reinforced
• single suspension
• Xmax: 3 mm (0.12")
• aperture depth: 10 mm (0.39")
• winding-width voice coil: 16 mm (0.63")

Thiele/small parameters

• BI: 18.70 Tm
• Cms: 0.20 mm/N
• D: 0.33 m (12.99")
• Fs: 40 Hz
• Le (at 1 kHz): 0.59 mH
• Mmd: 70.00 g (2.47 oz)
• Mms: 84.15 g (2.97 oz)
• Qes: 0.38
• Qms: 7.10
• Qts: 0.36
• Re: 6.50 ohms
• Rms: 2.86 kg/s
• Vas: 208.0 lt (7.34 ft3)

Mounting

• cut-out diameter: 351 mm (13.82")
• diameter: 385 mm (15.16")
• fixing slot dimensions: 10 x 7 mm (0.39 x 0.27 in)
• number of mounting slots: 8
• overall depth: 158 mm (6.22")
• total weight: 6.3 kg (13.8 lb)
• PCD mounting range: 365 - 375 mm (14.37 - 14.76 inches)