Celestion FTR12-3070C ferrite woofer 12-inch 350W 8 ohms

Product specifications

• 12" ferrite woofer
• 3" voice coil
• power handling: 350 Wrms
• nominal impedance: 8 ohms
• sensitivity: 96 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 (0.40")
• winding-width voice coil: 16 mm (0.63")

Thiele/small parameters

• BI: 18.78 Tm
• Cms: 0.099 mm/N
• D: 0.26 m (10.24")
• Fs: 66.1 Hz
• Le (at 1 kHz): 1.25 mH
• Mmd: 51.59 g (1.82 oz)
• Mms: 58.51 g (2.07 oz)
• Qes: 0.375
• Qms: 2.90
• Qts: 0.332
• Re: 5.44 ohms
• Rms: 8.374 kg/s
• Vas: 39.57 lt (1.40 ft3)

Mounting

• cut-out diameter: 386 mm (11.26")
• diameter: 318 mm (12.5")
• attachment slot dimensions: 7.5 x 6.5 mm (0.3 x 0.26 in)
• number of mounting slots: 8
• overall depth: 102 mm (4.02 inches)
• total weight: 6.3 kg (13.9 lb)
• PCD mounting range: 298 - 304 mm (11.7 - 12 inches)