CIAREFXI8
£67.65 · 51% less, betterFs81 Hz −8%
Qts0.29 −6%
Vas13 L +18%, worse
BL13.3 T·m –
Xmax4.5 mm +6%
Sensitivity95.4 dB –
8-inch LF driver · 51 mm voice coil · 200 W
BMS 8S215 8Ω
8 Ω · 80–3000 Hz
£137.66
SteadyLean Audio · In stock · All 1 offer
- Fs
- 88Hz
- Xmax
- 4.3mm
- SPL
- 96dB
- Pe
- 200W
- BL
- 13.6T·m
- Vd
- 94cm³
- Qts
- 0.31
- Vas
- 11L
BMS 8S215 is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 88 Hz, Qts 0.31, Vas 11.0 L, Xmax 4.3 mm, sensitivity 95.6 dB, plus 94 cm³ Vd and 266 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 £137.66.
The published T/S values agree with each other
Thiele/Small
- Fs
- 88Hz
- Qts
- 0.31
- Qes
- 0.33
- Qms
- 4.4
- Vas
- 11.0L
- Re
- 5.4Ω
- Le
- 0.20mH
Motor and cone
- BL
- 13.6T·m
- Sd
- 222cm²
- Mms
- 21g
- Xmax
- 4.3mm
- Vd †
- 94cm³
- Voice coil
- 51mm
Power and response
- Sensitivity †
- 95.6dB
- Manufacturer sensitivity
- 96dB
- Power
- 200W
- Impedance
- 8Ω
- Range
- 80–3000Hz
- EBP †
- 266 · Leans vented
Size and mounting
- Diameter
- 205mm
- Cutout
- 182mm
- Bolt circle
- 196mm
- Depth
- 100mm
- Weight
- 3.3kg
Other published values
- Cms
- 0.16mm/N
† Calculated by bits from the published values
What this validation status means
Everything else BMS lists
LF
- BL
- 13.6T·m
- Fs
- 88Hz
- Le
- 0.20mH
- Re
- 5.4Ω
- Sd
- 222cm²
- Cms
- 0.16mm/N
- Mms
- 21g
- Qes
- 0.33
- Qms
- 4.4
- Qts
- 0.31
- SPL
- 95.6dB
- Vas
- 11.0L
- Xmax
- 4.3mm
- Power
- 200W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 80Hz
- Calculated sensitivity †
- 95.6dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 51mm
- 10. basket
- Cast Aluminum
- 20. bl factor
- BL 13.6 Tesla m
- 1. application
- Low-middle
- 18. moving mass
- Mms 0.0206 kg
- 13. dc resistance
- Re 5.4 Ohm
- 9. magnet gap depth
- 6.5 mm
- 17. equivalent volume
- Vas 11.04 L
- 2. nominal impendance
- 8 Ohm
- 5. frequency response
- 80 – 3000 Hz
- 6. voice coil diameter
- 51 (2″) mm
- 7. voice coil material
- Cu
- 12. resonance frequency
- Fs 87.7 Hz
- 14. mechanical q factor
- Qms 4.4
- 15. electrical q factor
- Qes 0.33
- 16. total quality factor
- Qts 0.31
- 19. mechanical complience
- Cms 0.16 mm / N
- 21. effective piston area
- Sd 0.0222 m²
- 22. max. linear excursion
- Xmax +/- 4.25 mm
- 23. voice coil inductance
- Le1k 0.2 mH
- 4. sensitivity (1 w / 1 m)
- 96 dB
- 3. power handling aes noise
- 200 W
- 8. voice coil winding depth
- 15 mm
- 11. effect. diaphragm diameter d
- 168 mm
02
Compare
Same-size drivers, compared with the 8S215. Clear differences are green when better and red when worse.
This driver8S215
Best price
£137.66
Fs
88 Hz
Qts
0.31
Vas
11.0 L
BL
13.6 T·m
Xmax
4.3 mm
Sensitivity
95.6 dB
Power
200 W
Sica8 FE 2.5 CP
£82.89 · 40% less, betterFs73 Hz −17%, better
Qts0.28 −10%
Vas15.6 L +41%, worse
BL13.0 T·m −4%
Xmax4 mm −6%
Sensitivity95.1 dB −0.5
B&C8PS21
£91.27 · 34% less, betterFs73 Hz −17%, better
Qts0.33 +6%
Vas14 L +27%, worse
BL12.6 T·m −7%
Xmax5 mm +18%, better
Sensitivity93.8 dB −1.8
Sica8 C 2 CP
£92.02 · 33% less, betterFs79 Hz −10%, better
Qts0.30 −3%
Vas14.7 L +33%, worse
BL13.5 T·m –
Xmax3.5 mm −18%, worse
Sensitivity95.5 dB –
FaitalPRO8PR210
£100.24 · 27% less, betterFs65 Hz −26%, better
Qts0.29 −6%
Vas15.4 L +39%, worse
BL13.5 T·m –
Xmax6.9 mm +63%, better
Sensitivity93.2 dB −2.4, worse
CIARENDI8
£103.24 · 25% less, betterFs81 Hz −8%
Qts0.33 +6%
Vas13 L +18%, worse
BL12.8 T·m −6%
Xmax4.5 mm +6%
Sensitivity94.9 dB −0.7
Sica8 FE 2 CP
£104.62 · 24% less, betterFs67 Hz −24%, better
Qts0.32 +3%
Vas16.9 L +53%, worse
BL12.3 T·m −10%
Xmax4.5 mm +6%
Sensitivity93.4 dB −2.2, worse
Sica8 N 2.5 PL
£124.76 · 9% less, betterFs77 Hz −12%, better
Qts0.30 −3%
Vas13.7 L +24%, worse
BL12.9 T·m −5%
Xmax3.5 mm −18%, worse
Sensitivity94.8 dB −0.8
LavoceWAN082.01
£127.02 · 8% less, betterFs85 Hz −3%
Qts0.32 +3%
Vas9 L −18%, better
BL14.4 T·m +6%
Xmax5.8 mm +36%, better
Sensitivity94 dB −1.6
PRV Audio8MB700FT-NDY
£127.10 · 8% less, betterFs70 Hz −20%, better
Qts0.30 −3%
Vas18.8 L +70%, worse
BL12.8 T·m −6%
Xmax3.6 mm −14%, worse
Sensitivity94.9 dB −0.7
CelestionFTX0820
£139.00 · Same priceFs79 Hz −10%, better
Qts0.28 −10%
Vas13.1 L +19%, worse
BL14.6 T·m +7%
Xmax4 mm −6%
Sensitivity95.2 dB –
BMS8N515
£171.89 · 25% more, worseFs88 Hz –
Qts0.30 −3%
Vas11.0 L –
BL13.8 T·m –
Xmax4 mm −6%
Sensitivity95.7 dB –
FaitalPRO8HX200
£225.24 · 64% more, worseFs76 Hz −13%, better
Qts0.30 −3%
Vas13.1 L +19%, worse
BL13.8 T·m –
Xmax4.9 mm +16%, better
Sensitivity94.7 dB −0.9
BMS8CN552
£262.59 · 91% more, worseFs88 Hz –
Qts0.29 −6%
Vas10.1 L −9%
BL13.4 T·m –
Xmax4 mm −6%
Sensitivity95.6 dB –
FaitalPRO8HX240
£278.82 · 103% more, worseFs70 Hz −20%, better
Qts0.30 −3%
Vas12.9 L +17%, worse
BL13.8 T·m –
Xmax6.2 mm +45%, better
Sensitivity93.6 dB −2, worse
REDCATT8NPM
No current priceFs79 Hz −10%
Qts0.29 −6%
Vas10.9 L –
BL14.2 T·m +4%
Xmax3.7 mm −13%, worse
Sensitivity94.4 dB −1.2
Dayton Audio8MB200N-8
No current priceFs94 Hz +7%
Qts0.32 +3%
Vas8.8 L −20%, better
BL14.4 T·m +6%
Xmax3.9 mm −8%
Sensitivity95.2 dB –
No photo
PHL Audio2440
No current priceFs77 Hz −12%, better
Qts0.31 –
Vas13.1 L +19%, worse
BL12.8 T·m −6%
Xmax5 mm +18%, better
Sensitivity94.5 dB −1.1
PRV Audio8MR600X-NDY
No current priceFs88 Hz –
Qts0.29 −6%
Vas12.6 L +14%, worse
BL15.2 T·m +12%, better
Xmax3.8 mm −12%, worse
Sensitivity96.5 dB +0.9
Oberton8NMB250V4
No current priceFs82 Hz −6%
Qts0.26 −17%, better
Vas10.9 L –
BL14.3 T·m +5%
Xmax4.5 mm +6%
Sensitivity95.5 dB –
Eighteen Sound8MB710
No current priceFs108 Hz +23%, worse
Qts0.32 +3%
Vas9 L −18%, better
BL13.4 T·m –
Xmax2.3 mm −47%, worse
Sensitivity97.1 dB +1.5
Eighteen Sound8MB720
No current priceFs108 Hz +23%, worse
Qts0.32 +3%
Vas9 L −18%, better
BL13.4 T·m –
Xmax2.3 mm −47%, worse
Sensitivity97.1 dB +1.5
JensenBP8150-8
No current priceFs75 Hz −15%, better
Qts0.33 +6%
Vas13.1 L +19%, worse
BL13.3 T·m –
Xmax3.1 mm −27%, worse
Sensitivity93.8 dB −1.8
CIARECMI200
No current priceFs80 Hz −9%
Qts0.34 +10%
Vas12 L +9%
BL9.6 T·m −29%, worse
Xmax4.5 mm +6%
Sensitivity94.4 dB −1.2
Oberton8MB201
No current priceFs68 Hz −23%, better
Qts0.31 –
Vas14.7 L +34%, worse
BL12.5 T·m −8%
Xmax7 mm +65%, better
Sensitivity93.4 dB −2.2, worse
B&C8CXN64
No current priceFs71 Hz −19%, better
Qts0.33 +6%
Vas10.5 L −5%
BL15.5 T·m +14%, better
Xmax5.5 mm +29%, better
Sensitivity92.3 dB −3.3, worse
PRV Audio8MB700FT
No current priceFs72 Hz −18%, better
Qts0.31 –
Vas20 L +81%, worse
BL12.3 T·m −10%
Xmax3.5 mm −18%, worse
Sensitivity95.6 dB –
REDCATT81NPM-2
No current priceFs69 Hz −21%, better
Qts0.28 −10%
Vas10.3 L −7%
BL19.3 T·m +42%, better
Xmax4.0 mm −5%
Sensitivity92.7 dB −2.9, worse
Tang BandW8-1363SB
No current priceFs30 Hz −66%, better
Qts0.32 +3%
Vas15.4 L +39%, worse
BL13.9 T·m –
Xmax12 mm +182%, better
Sensitivity82.8 dB −12.8, worse
No photo
PHL Audio2520
No current priceFs109 Hz +24%, worse
Qts0.33 +6%
Vas9 L −18%, better
BL14.3 T·m +5%
Xmax2 mm −53%, worse
Sensitivity97 dB +1.4
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 | £137.66, the lowest price | In stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr