Pioneer TS-A120S4E
2x4Ω
4Ω
Subwoofer
| Nominal diameter | 12″ / 256 mm |
| Resonance | 32.1 Hz |
| Q factor | 0.70 |
| Sensitivity | 86.3 dB |
| Linear excursion | ± 8.3 mm |
| Program Power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
- Frequency response 22 - 1600Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 32.1Hz
- Mechanical quality factor QMS 8.82
- Electrical quality factor QES 0.75
- Total quality factor QTS 0.70
Large signal parameters
- Maximum linear excursion xmax 8.3mm
- Air volume displaced at xmax VD 424cm³
- Power handling P 400W
- Program power Pmax 800W
- Peak power Ppeak 1400W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.4Ω
- Inductance (1kHz) LE 2.42mH
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor Bl 12.2N/A
- Motor constant Bl/√RE 6.63N/√W
- Weight 1.304kg
- Material Ferrite
Diaphragm
- Effective diameter 256mm
- Effective area SD 514cm²
- Moving mass MMS 165g
- Moving mass (without air load) MMD 158g
- Material IMPP - Composite
Suspensions
- Stiffness KMS 6.67N/mm
- Compliance CMS 150µm/N
- Equivalent volume to the compliance VAS 56.1L
- Mechanical resistance RMS 3.75N·s/m
- Surround material Rolled Rubber
- Spider material Poly cotton/Aramid Fiber
Dimensions
- Nominal diameter 12″
- 256mm
- Overall diameter 256mm
- Baffle cutout diameter 283mm
- Mounting depth 137mm
- Volume occupied by the driver (estimated) 1.5L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
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SpeakerSim
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