CIAREFXI8
£67.37 · 61% less, betterFs81 Hz −8%
Qts0.29 −3%
Vas13 L +18%, worse
BL13.3 T·m −4%
Xmax4.5 mm +13%, better
Sensitivity95.4 dB –
8-inch LF driver · 52 mm voice coil · 200 W
BMS 8N515 8Ω
8 Ω · 80–3000 Hz
£171.89
SteadyLean Audio · 2 in stock · All 1 offer
- Fs
- 88Hz
- Xmax
- 4mm
- SPL
- 96dB
- Pe
- 200W
- BL
- 13.8T·m
- Vd
- 89cm³
- Qts
- 0.30
- Vas
- 11L
BMS 8N515 is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 88 Hz, Qts 0.30, Vas 11.0 L, Xmax 4 mm, sensitivity 95.7 dB, plus 89 cm³ Vd and 274 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 £171.89.
The published T/S values agree with each other
Thiele/Small
- Fs
- 88Hz
- Qts
- 0.30
- Qes
- 0.32
- Qms
- 4.3
- Vas
- 11.0L
- Re
- 5.4Ω
Motor and cone
- BL
- 13.8T·m
- Sd
- 222cm²
- Mms
- 21g
- Xmax
- 4mm
- Vd †
- 89cm³
- Voice coil
- 52mm
Power and response
- Sensitivity †
- 95.7dB
- Manufacturer sensitivity
- 96dB
- Power
- 200W
- Impedance
- 8Ω
- Range
- 80–3000Hz
- EBP †
- 274 · Leans vented
Size and mounting
- Diameter
- 205mm
- Cutout
- 182mm
- Depth
- 102mm
- Weight
- 2.0kg
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
- 13.8T·m
- Fs
- 88Hz
- Re
- 5.4Ω
- Sd
- 222cm²
- Cms
- 0.16mm/N
- Mms
- 21g
- Qes
- 0.32
- Qms
- 4.3
- Qts
- 0.30
- SPL
- 95.7dB
- Vas
- 11.0L
- Xmax
- 4mm
- Power
- 200W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 80Hz
- Calculated sensitivity †
- 95.7dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 52mm
- 10. basket
- Cast Aluminum
- 20. bl factor
- BL 13.80 Tesla m
- 1. application
- Low-Middle
- 18. moving mass
- Mms 0.0206 kg
- 13. dc resistance
- Re 5.4 Ohm
- 9. magnet gap depth
- 7 mm
- 17. equivalent volume
- Vas 11.04 L
- 2. nominal impendance
- 8 Ohm
- 5. frequency response
- 80 – 3000 Hz
- 6. voice coil diameter
- 52 (2″) mm
- 7. voice coil material
- Cu
- 12. resonance frequency
- Fs 87.7 Hz
- 14. mechanical q factor
- Qms 4.34
- 15. electrical q factor
- Qes 0.32
- 16. total quality factor
- Qts 0.30
- 19. mechanical complience
- Cms 0.16 mm / N
- 21. effective piston area
- Sd 0.0222 m²
- 22. max. linear excursion
- Xmax +/- 4 mm
- 23. voice coil inductance
- Le1k 0.32 (4 Ohm) 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 8N515. Clear differences are green when better and red when worse.
This driver8N515
Best price
£171.89
Fs
88 Hz
Qts
0.30
Vas
11.0 L
BL
13.8 T·m
Xmax
4 mm
Sensitivity
95.7 dB
Power
200 W
Sica8 FE 2.5 CP
£82.55 · 52% less, betterFs73 Hz −17%, better
Qts0.28 −7%
Vas15.6 L +41%, worse
BL13.0 T·m −6%
Xmax4 mm –
Sensitivity95.1 dB −0.6
Sica8 C 2 CP
£91.64 · 47% less, betterFs79 Hz −10%, better
Qts0.30 –
Vas14.7 L +33%, worse
BL13.5 T·m –
Xmax3.5 mm −13%, worse
Sensitivity95.5 dB –
FaitalPRO8PR210
£100.24 · 42% less, betterFs65 Hz −26%, better
Qts0.29 −3%
Vas15.4 L +39%, worse
BL13.5 T·m –
Xmax6.9 mm +73%, better
Sensitivity93.2 dB −2.5, worse
CIARENDI8
£102.81 · 40% less, betterFs81 Hz −8%
Qts0.33 +10%, worse
Vas13 L +18%, worse
BL12.8 T·m −7%
Xmax4.5 mm +13%, better
Sensitivity94.9 dB −0.8
FaitalPRO8RS350
£111.65 · 35% less, betterFs42 Hz −52%, better
Qts0.30 –
Vas23.7 L +115%, worse
BL13.9 T·m –
Xmax7.4 mm +84%, better
Sensitivity89.6 dB −6.1, worse
B&C8FG64
£120.07 · 30% less, betterFs51 Hz −42%, better
Qts0.31 +3%
Vas15 L +36%, worse
BL15.8 T·m +14%, better
Xmax7 mm +75%, better
Sensitivity90 dB −5.7, worse
Sica8 N 2.5 PL
£124.24 · 28% less, betterFs77 Hz −12%, better
Qts0.30 –
Vas13.7 L +24%, worse
BL12.9 T·m −6%
Xmax3.5 mm −13%, worse
Sensitivity94.8 dB −0.9
LavoceWAN082.01
£126.49 · 26% less, betterFs85 Hz −3%
Qts0.32 +7%
Vas9 L −18%, better
BL14.4 T·m +5%
Xmax5.8 mm +45%, better
Sensitivity94 dB −1.7
PRV Audio8MB700FT-NDY
£126.81 · 26% less, betterFs70 Hz −20%, better
Qts0.30 –
Vas18.8 L +70%, worse
BL12.8 T·m −7%
Xmax3.6 mm −9%
Sensitivity94.9 dB −0.8
BMS8S215
£137.66 · 20% less, betterFs88 Hz –
Qts0.31 +3%
Vas11.0 L –
BL13.6 T·m –
Xmax4.3 mm +6%
Sensitivity95.6 dB –
CelestionFTX0820
£139.00 · 19% less, betterFs79 Hz −10%, better
Qts0.28 −7%
Vas13.1 L +19%, worse
BL14.6 T·m +6%
Xmax4 mm –
Sensitivity95.2 dB −0.5
FaitalPRO8HX200
£224.30 · 30% more, worseFs76 Hz −13%, better
Qts0.30 –
Vas13.1 L +19%, worse
BL13.8 T·m –
Xmax4.9 mm +23%, better
Sensitivity94.7 dB −1
FaitalPRO8HX230
£232.64 · 35% more, worseFs70 Hz −20%, better
Qts0.29 −3%
Vas14.7 L +33%, worse
BL15 T·m +9%
Xmax6.2 mm +54%, better
Sensitivity94.1 dB −1.6
BMS8CN552
£262.59 · 53% more, worseFs88 Hz –
Qts0.29 −3%
Vas10.1 L −9%
BL13.4 T·m –
Xmax4 mm –
Sensitivity95.6 dB –
FaitalPRO8HX240
£277.66 · 62% more, worseFs70 Hz −20%, better
Qts0.30 –
Vas12.9 L +17%, worse
BL13.8 T·m –
Xmax6.2 mm +54%, better
Sensitivity93.6 dB −2.1, worse
REDCATT8NPM
No current priceFs79 Hz −10%
Qts0.29 −3%
Vas10.9 L –
BL14.2 T·m –
Xmax3.7 mm −7%
Sensitivity94.4 dB −1.3
PRV Audio8MR600X-NDY
No current priceFs88 Hz –
Qts0.29 −3%
Vas12.6 L +14%, worse
BL15.2 T·m +10%
Xmax3.8 mm −6%
Sensitivity96.5 dB +0.8
Dayton Audio8MB200N-8
No current priceFs94 Hz +7%
Qts0.32 +7%
Vas8.8 L −20%, better
BL14.4 T·m +4%
Xmax3.9 mm –
Sensitivity95.2 dB −0.5
Oberton8NMB250V4
No current priceFs82 Hz −6%
Qts0.26 −14%, better
Vas10.9 L –
BL14.3 T·m +3%
Xmax4.5 mm +13%, better
Sensitivity95.5 dB –
No photo
PHL Audio2440
No current priceFs77 Hz −12%, better
Qts0.31 +3%
Vas13.1 L +19%, worse
BL12.8 T·m −7%
Xmax5 mm +25%, better
Sensitivity94.5 dB −1.2
REDCATT81NPM-2
No current priceFs69 Hz −21%, better
Qts0.28 −7%
Vas10.3 L −7%
BL19.3 T·m +40%, better
Xmax4.0 mm –
Sensitivity92.7 dB −3, worse
P.Audio8NX-65MB
No current priceFs80 Hz −9%
Qts0.29 −3%
Vas8.2 L −26%, better
BL18 T·m +30%, better
Xmax3.8 mm −6%
Sensitivity93.3 dB −2.4, worse
Oberton8NM201
No current priceFs103 Hz +17%, worse
Qts0.29 −5%
Vas8.1 L −27%, better
BL13.7 T·m –
Xmax2.8 mm −31%, worse
Sensitivity96.8 dB +1.1
JensenBP8150-8
No current priceFs75 Hz −15%, better
Qts0.33 +10%, worse
Vas13.1 L +19%, worse
BL13.3 T·m −4%
Xmax3.1 mm −22%, worse
Sensitivity93.8 dB −1.9
Eighteen Sound8MB710
No current priceFs108 Hz +23%, worse
Qts0.32 +7%
Vas9 L −18%, better
BL13.4 T·m –
Xmax2.3 mm −44%, worse
Sensitivity97.1 dB +1.4
Eighteen Sound8MB720
No current priceFs108 Hz +23%, worse
Qts0.32 +7%
Vas9 L −18%, better
BL13.4 T·m –
Xmax2.3 mm −44%, worse
Sensitivity97.1 dB +1.4
PRV Audio8MB700FT
No current priceFs72 Hz −18%, better
Qts0.31 +3%
Vas20 L +81%, worse
BL12.3 T·m −11%, worse
Xmax3.5 mm −13%, worse
Sensitivity95.6 dB –
B&C8CXN64
No current priceFs71 Hz −19%, better
Qts0.33 +10%, worse
Vas10.5 L −5%
BL15.5 T·m +12%, better
Xmax5.5 mm +38%, better
Sensitivity92.3 dB −3.4, worse
Oberton8MB201
No current priceFs68 Hz −23%, better
Qts0.31 +5%
Vas14.7 L +34%, worse
BL12.5 T·m −9%
Xmax7 mm +75%, better
Sensitivity93.4 dB −2.3, worse
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 | £171.89, the lowest price | 2 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr