Pride ST 18
1Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 22.1 Hz |
| Q factor | 0.24 |
| Sensitivity | 90.5 dB |
| Linear excursion | ± 37.5 mm |
| Program power | 10000 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 22.1Hz
- Mechanical quality factor QMS 4.67
- Electrical quality factor QES 0.25
- Total quality factor QTS 0.24
Large signal parameters
- Maximum linear excursion (one way) xmax 37.5mm
- Air volume displaced at xmax VD 4950cm³
- Power handling P 5000W
- Program power Pmax 10000W
Voice Coil
- Nominal impedance Z 1Ω
- DC resistance RE 0.9Ω
- Inductance (1kHz, estimated) LE 1.55mH
Magnet
- Force factor Bl 18.5N/A
- Motor constant Bl/√RE 19.5N/√W
Diaphragm
- Effective diameter 410mm
- Effective area SD 1320cm²
- Moving mass (including air load) MMS 692g
- Moving mass MMD 660g
Suspensions
- Stiffness KMS 13.3N/mm
- Compliance CMS 75µm/N
- Equivalent volume to the compliance VAS 185L
- Mechanical resistance RMS 20.6N·s/m
Dimensions
- Nominal diameter 18″
- 457mm
- Volume occupied by the driver (estimated) 6.9L
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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