Celestion TN1230
Low frequency
12″ / 305 mm
Nominal diameter
47 Hz
Resonance
0.35
Q factor
94 dB
Sensitivity
± 3.75 mm
Linear excursion
700 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.7
- dB
- Frequency response
- 50 - 4500
- Hz
- Resonance frequency (free air)
- fS
- 46.6
- Hz
- Mechanical quality factor
- QMS
- 4.76
- Electrical quality factor
- QES
- 0.37
- Total quality factor
- QTS
- 0.35
- Maximum linear excursion
- xmax
- 3.75
- mm
- Air volume displaced at xmax
- VD
- 199
- cm³
- Power handling
- P
- 350
- W
- Program power
- Pmax
- 700
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.1
- Ω
- Inductance (1kHz)
- LE
- 0.99
- mH
- VC Diameter
- 75
- mm
- Winding height
- HVC
- 17.5
- mm
- Winding material
- Round copper
- Former material
- Polyimide
- Force factor
- Bl
- 18.55
- N/A
- Motor constant
- Bl/√RE
- 7.52
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Neodymium
- Effective diameter
- 260
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 72.4
- g
- Moving mass (without air load)
- MMD
- 63.8
- g
- Material
- Kevlar loaded paper
- Stiffness
- KMS
- 6.25
- N/mm
- Compliance
- CMS
- 160
- µm/N
- Equivalent volume to the compliance
- VAS
- 64.3
- L
- Mechanical resistance
- RMS
- 4.45
- N·s/m
- Surround material
- Cloth-sealed
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 309
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 132
- mm
- Volume occupied by the driver (estimated)
- 1.3
- L
- Net weight
- 2.1
- kg
- Frame material
- Pressed steel