Celestion TF1225 8 ohm 12" 250W Pro Audio Woofer T5311

Features Include

• 12" Bass and mid-range driver providing 97dB sensitivity and 250Wrms (AES standard) power handling
• 2.5" high temperature copper voice coil wound on polyimide for increased reliability
• Optimized ferrite magnet design reduces weight
• Double roll surround for greater excursion control
• For use in 2-way or compact 3-way systems

   
  

  General Specifications

  Nominal diameter: 305mm/12in
  Power rating: 250Wrms
  Continuous power rating: 500W
  EIA power rating: 400W
  Nominal impedance: 8Ω
  Sensitivity: 97dB
  Frequency range: 50-4,000Hz
  Voice coil diameter: 64mm/2.5in
  Chassis type: Pressed steel
  Magnet type: Ferrite
  Magnet weight: 1.2kg/42oz
  Coil material: Round copper
  Former material: Polyimide
  Cone material: Kevlar loaded paper
  Surround material: Cloth-sealed
  Suspension: Single
  Xmax: 2.5mm/0.1in
  Gap depth: 8mm/0.31in
  Voice coil winding width: 13mm/0.51in

  Small Signal Parameters

  D: 0.26m/10.24in
  Fs: 55.6Hz
  Mms: 48.52g/1.71oz
  Qms: 3.112
  Qes: 0.42
  Mmd: 39.60g/1.40oz
  Qts: 0.37
  Re: 5.08Ω
  Vas: 67.27lt/2.38ft3
  BI: 14.32Tm
  Cms: 0.17mm/N
  Rms: 5.45kg/s
  Le (at 1kHz): 0.86mH

  Mounting Information

  Overall diameter: 309mm/12.17in
  Overall depth: 130mm/5.12in
  Cut-out diameter: 283mm/11.14in
  Mounting slot dimensions: Ø 7.9/0.31
  Number of mounting slots: 4
  Mounting PCD range: 297mm/11.69in
  Unit weight: 4.1kg/9.0lb