Pioneer TS-A120D4
2x4Ω
4ΩSubwoofer
| Nominal diameter | 12″ / 256 mm |
| Resonance | 25 Hz |
| Q factor | 0.69 |
| Sensitivity | 84.6 dB |
| Linear excursion | ± 10.1 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
- Frequency response 20 - 2300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 25Hz
- Mechanical quality factor QMS 5.62
- Electrical quality factor QES 0.78
- Total quality factor QTS 0.69
Large signal parameters
- Maximum linear excursion xmax 10.1mm
- Air volume displaced at xmax VD 519cm³
- Power handling P 500W
- Program power Pmax 1000W
- Peak power Ppeak 1500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 8.6Ω
- Inductance (1kHz, in series) LE 7.73mH
- Winding material Copper
- Former material Kapton
Magnet
- Force factor (in series) Bl 17.7N/A
- Motor constant Bl/√RE 6.04N/√W
- Weight 1.701kg
- Material Ferrite
Diaphragm
- Effective diameter 256mm
- Effective area SD 513cm²
- Moving mass MMS 181g
- Moving mass (without air load) MMD 174g
- Material IMPP - Composite
Suspensions
- Stiffness KMS 4.29N/mm
- Compliance CMS 233µm/N
- Equivalent volume to the compliance VAS 87.1L
- Mechanical resistance RMS 4.95N·s/m
- Surround material Rolled Rubber
- Spider material Poly cotton
Dimensions
- Nominal diameter 12″
- 256mm
- Overall diameter 256mm
- Baffle cutout diameter 283mm
- Mounting depth 146mm
- Volume occupied by the driver (estimated) 1.5L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
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QSpeakers
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