Celestion TF1220 ferrite woofer 12-inch 150W 8 ohms

Product specifications

• 12" ferrite woofer
• 2" voice coil
• ideal for use in 2-way high pass systems
• power handling: 150 Wrms
• nominal impedance: 8 ohms
• sensitivity: 97 dB
• frequency range: 60 - 4000 Hz
• voice coil diameter: 50 mm (2")
• chassis type: pressed steel
• magnet type: ceramic (ferrite/ferrite)
• magnet weight: 1.2 kg (42 oz.)
• surround material: fabric seal
• coil material: copper wire
• voice coil carrier material: polyimide
• cone material: kevlar-reinforced paper
• single suspension
• Xmax: 2 mm (0.08")
• Aperture depth: 8 mm (0.31")
• winding-width voice coil: 12 mm (0.47")

Thiele/small parameters

• BI: 12.70 Tm
• Cms: 0.21 mm/N
• D: 0.26 m (10.24")
• Fs: 55 Hz
• Le (at 1 kHz): 0.735 mH
• Mmd: 32.0 g (1.258 oz)
• Mms: 38.91 g (1.37 oz)
• Qes: 0.46
• Qms: 4.30
• Qts: 0.42
• Re: 5.54 ohms
• Rms: 3.16 kg/s
• Vas: 84.7 lt (2.99 ft3)

Mounting

• cut-out diameter: 283 mm (11.14")
• diameter: 309 mm (12.17")
• fixing slot dimensions: 7.9 mm (0.31")
• number of fixing slots: 4
• overall depth: 131 mm (5.16")
• total weight: 5 kg (11 lb)
• PCD mounting range: 297 mm (11.69")