Stereo Integrity SQL-15 Series 2
2x2Ω
Subwoofer
| Nominal diameter | 15″ / 381 mm |
| Resonance | 23.8 Hz |
| Q factor | 0.42 |
| Sensitivity | 87.2 dB |
| Linear excursion | ± 28.4 mm |
| Program Power | 2000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 23.8Hz
- Mechanical quality factor QMS 5.83
- Electrical quality factor QES 0.45
- Total quality factor QTS 0.42
Large signal parameters
- Maximum linear excursion (one way) xmax 28.4mm
- Air volume displaced at xmax VD 2388cm³
- Power handling P 1000W
- Program power Pmax 2000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.3Ω
- Inductance (1kHz, in series) LE 2mH
- VC Diameter 69.9mm
- Winding height HVC 50mm
- Winding material copper
- Former material aluminum
Magnet
- Force factor (in series) Bl 20.4N/A
- Motor constant Bl/√RE 11.3N/√W
- Material Y35 ferrite
Diaphragm
- Effective diameter 327mm
- Effective area SD 841cm²
- Moving mass MMS 389g
- Moving mass (without air load) MMD 371g
- Material treated paper
Suspensions
- Stiffness KMS 8.7N/mm
- Compliance CMS 115µm/N
- Equivalent volume to the compliance VAS 115L
- Mechanical resistance RMS 9.97N·s/m
- Surround material rubber
- Spider material Nomex
Dimensions
- Nominal diameter 15″
- 381mm
- Overall diameter 395mm
- Baffle cutout diameter 361mm
- Mounting depth 188mm
- Volume occupied by the driver 4.53L
- Net weight 12.7kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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