4x Celestion TF1225e 12" pressed steel chassis, ferrite magnet bass/mid driver 8 Ohm
12in mid/bass driver with extended low frequency response
Specifications
- Nominal diameter: 305mm / 12in
- Power rating: 300W
- Continuous power rating: 600W
- EIA power rating: 450W
- Rated impedance: 8Ω
- Sensitivity: 96dB
- Frequency range: 50-3000Hz
- Chassis type: Pressed steel
- Magnet type: Ferrite
- Magnet weight: 1.4kg / 50oz
- Voice coil diameter: 64mm / 2.5in
- Voice coil material: Edgewound copper
- Former material: Polyimide
- Cone material: Kevlar loaded paper
- Surround material: Cloth-sealed
- Suspension: Single
- Gap height (Hg): 8mm / 0.31in
- VC winding height (Hvc): 14.5mm / 0.57in
Parameters
- Sd: 530.93cm2 / 82.29in2
- Fs: 52.60Hz
- Mms: 54.04g / 1.91oz
- Qms: 3.513
- Qes: 0.368
- Qts: 0.333
- Re: 6.42Ω
- Vas: 67.71l / 2.39ft3
- BI: 17.66Tm
- Cms: 0.17mm/N
- Rms: 5.08kg/s
- Le (at 1kHz): 1.32mH
- Xmax: 5.25mm / 0.21in
Mounting Information
- Overall diameter: 309mm / 12.17in
- Overall depth: 139mm / 5.5in
- Cut-out diameter: 283mm / 11.14in
- Mounting hole dimensions: 7.9mm / 0.31in Ø
- Number of mounting holes: 4
- Mounting hole PCD: 297mm / 11.69in
- Unit weight: 4.4kg / 9.7lb
Packed Dimensions & Weight
- Single pack size W x D x H: 330mm x 330mm x 150mm / 13in x 13in x 5.9in
- Single pack weight: 5.0kg / 11.0lb
- Multi pack qty: 60
- Multi pack size W x D x H: 1080mm x 980mm x 880mm / 42.5in x 38.6in x 34.6in
- Multi pack weight: 290kg / 638lb
Features
- Power rating: Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
- Continuous power rating: Defined as 3dB greater than the AES rating.
- Sensitivity: Measured on axis at 1W, 1m in 2π anechoic environment.
- Parameters: Measured after unit subjected to pre-conditioning signal.
- Xmax: 0.5*(Hvc-Hg) + 0.25*Hg
UPC
- 739894532358
