Celestion TSQ2145
Low frequency
21″ / 530 mm
Nominal diameter
30 Hz
Resonance
0.34
Q factor
94 dB
Sensitivity
± 15 mm
Linear excursion
3600 W
Program Power
![Celestion TSQ2145 Low frequency](/Celestion/TSQ2145/Celestion_TSQ2145_(Photo_1).png)
![Celestion TSQ2145 Low frequency](/Celestion/TSQ2145/Celestion_TSQ2145_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.2
- dB
- Frequency response
- 30 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 30.0
- Hz
- Mechanical quality factor
- QMS
- 8.39
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 15.0
- mm
- Maximum excursion before damage
- xlim
- 40.0
- mm
- Air volume displaced at xmax
- VD
- 2493
- cm³
- Power handling
- P
- 1800
- W
- Program power
- Pmax
- 3600
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 3.91
- mH
- VC Diameter
- 115
- mm
- Winding height
- HVC
- 36
- mm
- Winding material
- Round copper
- Former material
- Glass fibre
- Force factor
- Bl
- 33.8
- N/A
- Motor constant
- Bl/√RE
- 15.1
- N/√W
- Air gap height
- HAG
- 12
- mm
- Material
- Neodymium
- Effective diameter
- 460
- mm
- Effective area
- SD
- 1662
- cm²
- Moving mass
- MMS
- 435.2
- g
- Moving mass (without air load)
- MMD
- 388
- g
- Material
- Glass loaded cellulose, water-resistant
- Stiffness
- KMS
- 15.39
- N/mm
- Compliance
- CMS
- 65
- µm/N
- Equivalent volume to the compliance
- VAS
- 254
- L
- Mechanical resistance
- RMS
- 9.77
- N·s/m
- Surround material
- Triple roll, cloth sealed
- Nominal diameter
- 21
- ″
- 530
- mm
- Overall diameter
- 541
- mm
- Baffle cutout diameter
- 505
- mm
- Overall depth
- 250
- mm
- Flange thickness
- 17
- mm
- Mounting depth
- 233
- mm
- Volume occupied by the driver (estimated)
- 9.3
- L
- Net weight
- 13.8
- kg
- Frame material
- Cast aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Celestion TSQ2145 SPL & Impedance](/Celestion/TSQ2145/Celestion_TSQ2145_(Frequency_response_+_Impedance).jpg)
![Celestion TSQ2145 Stiffness](/Celestion/TSQ2145/Celestion_TSQ2145_(Stiffness).jpg)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)