Celestion FTR15-3070C
Low frequency
15″ / 381 mm
Nominal diameter
41 Hz
Resonance
0.38
Q factor
97 dB
Sensitivity
± 5.5 mm
Linear excursion
800 W
Program Power
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.4
- dB
- Frequency response
- 40 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 41.4
- Hz
- Mechanical quality factor
- QMS
- 3.51
- Electrical quality factor
- QES
- 0.43
- Total quality factor
- QTS
- 0.38
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 470
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.1
- Ω
- Inductance (1kHz)
- LE
- 0.59
- mH
- VC Diameter
- 75
- mm
- Winding height
- HVC
- 16
- mm
- Winding material
- Round copper
- Former material
- Glass fibre
- Force factor
- Bl
- 17.33
- N/A
- Motor constant
- Bl/√RE
- 7.03
- N/√W
- Air gap height
- HAG
- 10
- mm
- Weight
- 2.3
- kg
- Material
- Ferrite
- Effective diameter
- 330
- mm
- Effective area
- SD
- 855
- cm²
- Moving mass
- MMS
- 81.7
- g
- Moving mass (without air load)
- MMD
- 64.4
- g
- Material
- Glass loaded paper (weather-resistant)
- Stiffness
- KMS
- 5.56
- N/mm
- Compliance
- CMS
- 180
- µm/N
- Equivalent volume to the compliance
- VAS
- 188
- L
- Mechanical resistance
- RMS
- 6.05
- N·s/m
- Surround material
- Cloth-sealed
- Nominal diameter
- 15
- ″
- 381
- mm
- Overall diameter
- 385
- mm
- Baffle cutout diameter
- 351
- mm
- Overall depth
- 158
- mm
- Volume occupied by the driver (estimated)
- 3.3
- L
- Net weight
- 6.3
- kg
- Frame material
- Cast aluminium