B&C18TBW100
£227.94 · 34% less, betterFs33 Hz +14%, worse
Qts0.32 +3%
Vas181.5 L −35%, better
BL22.8 T·m −14%, worse
Xmax12 mm –
Sensitivity94.9 dB –
18-inch LF driver · 102 mm voice coil · 1,200 W
BMS 18S450 8Ω
8 Ω · 20–200 Hz
£345.00
SteadyLean Audio · 2 in stock · All 1 offer
- Fs
- 29Hz
- Xmax
- 12mm
- SPL
- 95dB
- Pe
- 1200W
- BL
- 26.5T·m
- Vd
- 1456cm³
- Qts
- 0.31
- Vas
- 281L
BMS 18S450 is an 18-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.31, Vas 281 L, Xmax 12 mm, sensitivity 95.3 dB, plus 1456 cm³ Vd and 91 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £345.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 29Hz
- Qts
- 0.31
- Qes
- 0.32
- Qms
- 7.3
- Vas
- 281L
- Re
- 5.5Ω
- Le
- 1.10mH
Motor and cone
- BL
- 26.5T·m
- Sd
- 1213cm²
- Mms
- 224g
- Xmax
- 12mm
- Vd †
- 1456cm³
- Voice coil
- 102mm
Power and response
- Sensitivity †
- 95.3dB
- Manufacturer sensitivity
- 95dB
- Power
- 1200W
- Impedance
- 8Ω
- Range
- 20–200Hz
- EBP †
- 91 · Sealed or vented
Size and mounting
- Diameter
- 458mm
- Cutout
- 414mm
- Bolt circle
- 440mm
- Depth
- 233mm
- Weight
- 14.5kg
Other published values
- Cms
- 0.13mm/N
† Calculated by bits from the published values
What this validation status means
Everything else BMS lists
LF
- BL
- 26.5T·m
- Fs
- 29Hz
- Le
- 1.10mH
- Re
- 5.5Ω
- Sd
- 1213cm²
- Cms
- 0.13mm/N
- Mms
- 224g
- Qes
- 0.32
- Qms
- 7.3
- Qts
- 0.31
- SPL
- 95.3dB
- Vas
- 281L
- Xmax
- 12mm
- Power
- 1200W
- Impedance
- 8Ω
- Sensitivity
- 95dB
- Low limit
- 20Hz
- Calculated sensitivity †
- 95.3dB
- High limit
- 200Hz
- Manufacturer sensitivity
- 95dB
- Voice coil
- 102mm
- 10. basket
- Cast Aluminum
- 20. bl factor
- BL 26.5 Tesla m
- 1. application
- Subwoofer
- 18. moving mass
- Mms 0.224 kg
- 13. dc resistance
- Re 5.5 Ohm
- 9. magnet gap depth
- 12 mm
- 17. equivalent volume
- Vas 281 L
- 2. nominal impendance
- 8 Ohm
- 5. frequency response
- 20 – 200 Hz
- 6. voice coil diameter
- 101.6 (4″) mm
- 7. voice coil material
- Cu
- 12. resonance frequency
- Fs 29 Hz
- 14. mechanical q factor
- Qms 7.25
- 15. electrical q factor
- Qes 0.32
- 16. total quality factor
- Qts 0.31
- 19. mechanical complience
- Cms 0.134 mm / N
- 21. effective piston area
- Sd 0.1213 m²
- 22. max. linear excursion
- Xmax +/- 12 mm
- 23. voice coil inductance
- Le1k 1.1 mH
- 4. sensitivity (1 w / 1 m)
- 95 dB
- 3. power handling aes noise
- 1200 W
- 8. voice coil winding depth
- 36 mm
- 11. effect. diaphragm diameter d
- 393 mm
02
Compare
Same-size drivers, compared with the 18S450. Clear differences are green when better and red when worse.
This driver18S450
Best price
£345.00
Fs
29 Hz
Qts
0.31
Vas
281 L
BL
26.5 T·m
Xmax
12 mm
Sensitivity
95.3 dB
Power
1200 W
PRV Audio18SW3600
£239.31 · 31% less, betterFs33 Hz +12%, worse
Qts0.36 +16%, worse
Vas279.7 L –
BL25.5 T·m −4%
Xmax13.3 mm +10%, better
Sensitivity96.1 dB +0.8
Beyma18P1000FEV2S
£249.00 · 28% less, betterFs33 Hz +14%, worse
Qts0.32 +3%
Vas230 L −18%, better
BL26.8 T·m –
Xmax8 mm −33%, worse
Sensitivity96 dB +0.7
RCFLF18G401
£252.42 · 27% less, betterFs33 Hz +14%, worse
Qts0.29 −6%
Vas268 L −5%
BL24.6 T·m −7%
Xmax9 mm −25%, worse
Sensitivity97.1 dB +1.8
FaitalPRO18HP1022
£266.26 · 23% less, betterFs35 Hz +21%, worse
Qts0.30 −3%
Vas204.9 L −27%, better
BL28 T·m +6%
Xmax9.5 mm −21%, worse
Sensitivity96.6 dB +1.3
Eighteen Sound18LW2400
£272.63 · 21% less, betterFs35 Hz +21%, worse
Qts0.31 –
Vas230 L −18%, better
BL25.6 T·m −3%
Xmax9.5 mm −21%, worse
Sensitivity96.9 dB +1.6
Eighteen Sound18LW1400
£274.64 · 20% less, betterFs31 Hz +7%
Qts0.29 −6%
Vas297 L +6%
BL24.7 T·m −7%
Xmax9 mm −25%, worse
Sensitivity96.6 dB +1.3
Eighteen Sound18LW2420
£279.00 · 19% less, betterFs32 Hz +10%, worse
Qts0.33 +6%
Vas252 L −10%, better
BL25.3 T·m −5%
Xmax10 mm −17%, worse
Sensitivity95.8 dB +0.5
Beyma18LEX1200ND
£279.79 · 19% less, betterFs36 Hz +24%, worse
Qts0.33 +6%
Vas219 L −22%, better
BL26.4 T·m –
Xmax11 mm −8%
Sensitivity96.7 dB +1.4
Oberton18XB1301DS
£284.15 · 18% less, betterFs36 Hz +23%, worse
Qts0.30 –
Vas172.9 L −38%, better
BL26.9 T·m –
Xmax12 mm –
Sensitivity96 dB +0.7
RCFLF18X401
£289.00 · 16% less, betterFs30 Hz +3%
Qts0.30 −3%
Vas274 L –
BL26.5 T·m –
Xmax12 mm –
Sensitivity95.8 dB +0.5
CIARENDH18-4S
£291.62 · 15% less, betterFs31 Hz +7%
Qts0.32 +3%
Vas239 L −15%, better
BL27.7 T·m +5%
Xmax11.5 mm −4%
Sensitivity95.4 dB –
Dayton Audio18SW1200N-8
£301.39 · 13% less, betterFs32 Hz +10%, worse
Qts0.33 +6%
Vas253.6 L −10%
BL27.6 T·m +4%
Xmax9.1 mm −24%, worse
Sensitivity95.8 dB +0.5
RCFLF18N405
£325.54 · 6% less, betterFs30 Hz +3%
Qts0.32 +3%
Vas227 L −19%, better
BL26.5 T·m –
Xmax14 mm +17%, better
Sensitivity94.6 dB −0.7
SB AudienceNERO-18SW1100D
£334.88 · 3% lessFs36 Hz +24%, worse
Qts0.33 +6%
Vas153.1 L −46%, better
BL30.9 T·m +17%, better
Xmax12.2 mm –
Sensitivity95.3 dB –
Oberton18XB1600V2
£388.58 · 13% more, worseFs33 Hz +12%, worse
Qts0.28 −10%, better
Vas267 L −5%
BL29.6 T·m +12%, better
Xmax12.5 mm +4%
Sensitivity97.1 dB +1.8
CelestionCF18VJD
£399.00 · 16% more, worseFs35 Hz +19%, worse
Qts0.31 –
Vas145.8 L −48%, better
BL32.6 T·m +23%, better
Xmax12 mm –
Sensitivity94.6 dB −0.7
B&C18SW115
£430.38 · 25% more, worseFs32 Hz +10%, worse
Qts0.30 −3%
Vas187 L −33%, better
BL30.3 T·m +14%, better
Xmax14 mm +17%, better
Sensitivity94.9 dB –
Dayton AudioRSS460HO-4
£442.94 · 28% more, worseFs19 Hz −35%, better
Qts0.32 +3%
Vas272 L −3%
BL23.4 T·m −12%, worse
Xmax12.8 mm +6%
Sensitivity89.2 dB −6.1, worse
BMS18N850V2
£457.13 · 33% more, worseFs30 Hz –
Qts0.33 +6%
Vas243 L −14%, better
BL25.4 T·m −4%
Xmax12 mm –
Sensitivity94.7 dB −0.6
Eighteen Sound18NLW9000
£550.00 · 59% more, worseFs34 Hz +17%, worse
Qts0.31 –
Vas206 L −27%, better
BL28 T·m +6%
Xmax14 mm +17%, better
Sensitivity96.1 dB +0.8
B&C18HTX100
£809.86 · 135% more, worseFs44 Hz +52%, worse
Qts0.32 +3%
Vas173 L −38%, better
BL26.3 T·m –
Xmax13 mm +8%
Sensitivity98.4 dB +3.1, better
No photo
RCFLF18Y402
No current priceFs30 Hz +3%
Qts0.30 −3%
Vas274 L –
BL26.5 T·m –
Xmax12 mm –
Sensitivity95.8 dB +0.5
BishopSoundBWP18/8
No current priceFs35 Hz +21%, worse
Qts0.31 –
Vas378 L +35%, worse
BL26.2 T·m –
Xmax12 mm –
Sensitivity100 dB +4.7, better
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz +14%, worse
Qts0.29 −5%
Vas203 L −28%, better
BL29.4 T·m +11%, better
Xmax12 mm –
Sensitivity95.9 dB +0.6
Oberton18XB1201
No current priceFs38 Hz +31%, worse
Qts0.32 –
Vas159.4 L −43%, better
BL26.7 T·m –
Xmax10.5 mm −13%, worse
Sensitivity96.3 dB +1
RCFLF18G908
No current priceFs33 Hz +14%, worse
Qts0.29 −6%
Vas268 L −5%
BL24.6 T·m −7%
Xmax9 mm −25%, worse
Sensitivity97.1 dB +1.8
CelestionFTR18-4080F
No current priceFs33 Hz +12%, worse
Qts0.31 –
Vas281.3 L –
BL22.5 T·m −15%, worse
Xmax6 mm −50%, worse
Sensitivity96.6 dB +1.3
Oberton18NXB1600
No current priceFs32 Hz +12%, worse
Qts0.30 –
Vas173.1 L −38%, better
BL29.6 T·m +12%, better
Xmax13.5 mm +13%, better
Sensitivity94.5 dB −0.8
Oberton18XB700
No current priceFs36 Hz +24%, worse
Qts0.30 –
Vas183.2 L −35%, better
BL26.1 T·m –
Xmax9 mm −25%, worse
Sensitivity96.4 dB +1.1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £345.00, the lowest price | 2 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr
Recent changes
- 6 AugLean Audio£389.43 → £345.00Down 11% from £389.43