BMS 15S430V2 is a 15-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 40 Hz, Qts 0.26, Vas 135 L, Xmax 7.5 mm, sensitivity 97 dB, plus 673 cm³ Vd and 147 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
Fs 40Hz
Qts 0.26
Qes 0.27
Qms 6.6
Vas 135L
Re 5Ω
Le 0.73mH Motor and cone
BL 25.0T·m
Sd 897cm²
Mms 132g
Xmax 7.5mm
Vd † 673cm³
Voice coil 102mm Power and response
Sensitivity † 97dB
Manufacturer sensitivity 97dB
Power 1200W
Impedance 8Ω
Range 35–2500Hz
EBP † 147 · Leans vented Size and mounting
Diameter 388mm
Cutout 358mm
Bolt circle 371mm
Depth 189mm
Weight 10.7kg Other published values
Cms 0.12mm/N † Calculated by bits from the published values
What this validation status means
Everything else BMS lists LF
BL 25.0T·m
Fs 40Hz
Le 0.73mH
Re 5Ω
Sd 897cm²
Cms 0.12mm/N
Mms 132g
Qes 0.27
Qms 6.6
Qts 0.26
SPL 97dB
Vas 135L
Xmax 7.5mm
Power 1200W
Impedance 8Ω
Sensitivity 97dB
Low limit 35Hz
Calculated sensitivity † 97dB
High limit 2500Hz
Manufacturer sensitivity 97dB
Voice coil 102mm
10. basket Cast Aluminum
20. bl factor BL 24.96 Tesla m
1. application Subwoofer
18. moving mass Mms 0.132 kg
13. dc resistance Re 5 Ohm
9. magnet gap depth 10 mm
17. equivalent volume Vas 135 L
2. nominal impendance 8 Ohm
5. frequency response 35 – 2500 Hz
6. voice coil diameter 101.6 (4″) mm
7. voice coil material Cu
12. resonance frequency Fs 39.8 Hz
14. mechanical q factor Qms 6.60
15. electrical q factor Qes 0.27
16. total quality factor Qts 0.26
19. mechanical complience Cms 0.12 mm / N
21. effective piston area Sd 0.0897 m²
22. max. linear excursion Xmax +/- 7.5 mm
23. voice coil inductance Le1k 0.73 mH
4. sensitivity (1 w / 1 m) 97 dB
3. power handling aes noise 1200 W
8. voice coil winding depth 25 mm
11. effect. diaphragm diameter d 335 mm