Celestion TF1225
Low frequency
12″ / 305 mm
Nominal diameter
56 Hz
Resonance
0.37
Q factor
95 dB
Sensitivity
± 4.5 mm
Linear excursion
500 W
Program Power
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- Parts Express
- $$$
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.4
- dB
- Frequency response
- 50 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 55.6
- Hz
- Mechanical quality factor
- QMS
- 3.11
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.37
- Maximum linear excursion
- xmax
- 4.5
- mm
- Air volume displaced at xmax
- VD
- 239
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 0.86
- mH
- VC Diameter
- 64
- mm
- Winding height
- HVC
- 13
- mm
- Winding material
- Round copper
- Former material
- Polyimide
- Force factor
- Bl
- 14.32
- N/A
- Motor constant
- Bl/√RE
- 6.35
- N/√W
- Air gap height
- HAG
- 8
- mm
- Weight
- 1.2
- kg
- Material
- Ferrite
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 48.5
- g
- Moving mass (without air load)
- MMD
- 39.9
- g
- Material
- Kevlar loaded paper
- Stiffness
- KMS
- 5.88
- N/mm
- Compliance
- CMS
- 170
- µm/N
- Equivalent volume to the compliance
- VAS
- 67.3
- L
- Mechanical resistance
- RMS
- 5.45
- N·s/m
- Surround material
- Cloth-sealed
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 309
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 130
- mm
- Volume occupied by the driver (estimated)
- 1.9
- L
- Net weight
- 4.1
- kg
- Frame material
- Pressed steel
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
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