EminenceKAPPA PRO-12A
£130.90 · 52% less, betterFs37 Hz −14%, better
Qts0.24 –
Vas121 L +86%, worse
BL17.3 T·m −22%, worse
Xmax4.8 mm +7%
Sensitivity95.9 dB +0.7
12-inch LF driver · 102 mm voice coil · 1,000 W
BMS 12N802 8Ω
8 Ω · 45–1700 Hz
£271.01
SteadyLean Audio · 1 in stock · All 1 offer
- Fs
- 43Hz
- Xmax
- 4.5mm
- SPL
- 95dB
- Pe
- 1000W
- BL
- 22.3T·m
- Vd
- 239cm³
- Qts
- 0.24
- Vas
- 65L
BMS 12N802 is a 12-inch 8 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 43 Hz, Qts 0.24, Vas 65 L, Xmax 4.5 mm, sensitivity 95.2 dB, plus 239 cm³ Vd and 172 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 £271.01.
The published T/S values agree with each other
Thiele/Small
- Fs
- 43Hz
- Qts
- 0.24
- Qes
- 0.25
- Qms
- 5.2
- Vas
- 65L
- Re
- 5.7Ω
- Le
- 0.85mH
Motor and cone
- BL
- 22.3T·m
- Sd
- 531cm²
- Mms
- 80g
- Xmax
- 4.5mm
- Vd †
- 239cm³
- Voice coil
- 102mm
Power and response
- Sensitivity †
- 95.2dB
- Manufacturer sensitivity
- 98dB
- Power
- 1000W
- Impedance
- 8Ω
- Range
- 45–1700Hz
- EBP †
- 172 · Leans vented
Size and mounting
- Diameter
- 318mm
- Cutout
- 284mm
- Bolt circle
- 300mm
- Depth
- 146mm
- Weight
- 4.7kg
Other published values
- Cms
- 0.17mm/N
Sensitivity shows 95.2 dB, calculated from the T/S values. BMS publishes 98.0 dB, 2.8 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else BMS lists
LF
- BL
- 22.3T·m
- Fs
- 43Hz
- Le
- 0.85mH
- Re
- 5.7Ω
- Sd
- 531cm²
- Cms
- 0.17mm/N
- Mms
- 80g
- Qes
- 0.25
- Qms
- 5.2
- Qts
- 0.24
- SPL
- 95.2dB
- Vas
- 65L
- Xmax
- 4.5mm
- Power
- 1000W
- Impedance
- 8Ω
- Sensitivity
- 98dB
- Low limit
- 45Hz
- Calculated sensitivity †
- 95.2dB
- High limit
- 1700Hz
- Manufacturer sensitivity
- 98dB
- Voice coil
- 102mm
- 10. basket
- Cast Aluminum
- 20. bl factor
- BL 22.25 Tesla m
- 1. application
- Low-Middle
- 18. moving mass
- Mms 0.080 kg
- 13. dc resistance
- Re 5.70 Ohm
- 9. magnet gap depth
- 10 mm
- 17. equivalent volume
- Vas 65 L
- 2. nominal impendance
- 8 Ohm
- 5. frequency response
- 45 – 1700 Hz
- 6. voice coil diameter
- 101.6 (4″) mm
- 7. voice coil material
- Cu
- 12. resonance frequency
- Fs 43 Hz
- 14. mechanical q factor
- Qms 5.2
- 15. electrical q factor
- Qes 0.25
- 16. total quality factor
- Qts 0.24
- 19. mechanical complience
- Cms 0.170 mm / N
- 21. effective piston area
- Sd 0.0531 m²
- 22. max. linear excursion
- Xmax +/- 4.5 mm
- 23. voice coil inductance
- Le1k 0.85 mH
- 4. sensitivity (1 w / 1 m)
- 98 dB
- 3. power handling aes noise
- 1000 W
- 8. voice coil winding depth
- 19 mm
- 11. effect. diaphragm diameter d
- 260 mm
02
Compare
Same-size drivers, compared with the 12N802. Clear differences are green when better and red when worse.
This driver12N802
Best price
£271.01
Fs
43 Hz
Qts
0.24
Vas
65 L
BL
22.3 T·m
Xmax
4.5 mm
Sensitivity
95.2 dB
Power
1000 W
B&C12MH32
£137.65 · 49% less, betterFs53 Hz +23%, worse
Qts0.19 −21%, better
Vas63 L −3%
BL22.3 T·m –
Xmax5 mm +11%, better
Sensitivity98.7 dB +3.5, better
PRV Audio12MR1200X
£149.54 · 45% less, betterFs53 Hz +22%, worse
Qts0.21 −13%, better
Vas71.8 L +10%, worse
BL22 T·m –
Xmax4.5 mm –
Sensitivity99 dB +3.8, better
B&C12PLB76
£149.88 · 45% less, betterFs50 Hz +16%, worse
Qts0.23 −4%
Vas75 L +15%, worse
BL18.6 T·m −16%, worse
Xmax5 mm +11%, better
Sensitivity97.9 dB +2.7, better
Beyma12MI100
£153.44 · 43% less, betterFs58 Hz +35%, worse
Qts0.22 −8%
Vas64 L –
BL21.6 T·m –
Xmax3 mm −33%, worse
Sensitivity99.4 dB +4.2, better
B&C12CLA76
£153.54 · 43% less, betterFs52 Hz +21%, worse
Qts0.25 +4%
Vas56 L −14%, better
BL20.2 T·m −9%
Xmax5.3 mm +18%, better
Sensitivity96.8 dB +1.6
FaitalPRO12FH510
£163.54 · 40% less, betterFs45 Hz +5%
Qts0.24 –
Vas81.3 L +25%, worse
BL18.9 T·m −15%, worse
Xmax7.5 mm +67%, better
Sensitivity96.7 dB +1.5
Precision DevicesPD.121/2
£168.00 · 38% less, betterFs53 Hz +24%, worse
Qts0.23 −4%
Vas66.6 L –
BL21.5 T·m −4%
Xmax2.7 mm −40%, worse
Sensitivity98.4 dB +3.2, better
RCFMB12N301
£183.23 · 32% less, betterFs54 Hz +26%, worse
Qts0.24 –
Vas71 L +9%
BL19 T·m −15%, worse
Xmax6 mm +33%, better
Sensitivity98.4 dB +3.2, better
BMS12S320
£204.98 · 24% less, betterFs45 Hz +6%
Qts0.20 −17%, better
Vas69.5 L +7%
BL23.3 T·m +5%
Xmax4.5 mm –
Sensitivity96.9 dB +1.7
BMS12S330
£204.98 · 24% less, betterFs29 Hz −33%, better
Qts0.24 –
Vas85.5 L +32%, worse
BL23 T·m +3%
Xmax8 mm +78%, better
Sensitivity91.1 dB −4.1, worse
Beyma12MC700ND
£209.29 · 23% less, betterFs51 Hz +19%, worse
Qts0.24 –
Vas58 L −11%, better
BL21.6 T·m –
Xmax7 mm +56%, better
Sensitivity96.7 dB +1.5
BMS12C262
£228.36 · 16% less, betterFs47 Hz +10%
Qts0.24 –
Vas60.6 L −7%
BL20.6 T·m −7%
Xmax2.5 mm −44%, worse
Sensitivity96.1 dB +0.9
FaitalPRO12FX600
£247.20 · 9% less, betterFs48 Hz +12%, worse
Qts0.24 –
Vas44.4 L −32%, better
BL25.3 T·m +14%, better
Xmax9.9 mm +120%, better
Sensitivity95 dB –
BMS12N620
£247.26 · 9% less, betterFs45 Hz +4%
Qts0.25 +4%
Vas72.7 L +12%, worse
BL20.6 T·m −7%
Xmax5.5 mm +22%, better
Sensitivity96 dB +0.8
BMS12N803
£285.67 · 5% more, worseFs41 Hz −5%
Qts0.24 –
Vas77 L +18%, worse
BL21.4 T·m −4%
Xmax6 mm +33%, better
Sensitivity95.3 dB –
BMS12C362
£287.08 · 6% more, worseFs46 Hz +7%
Qts0.20 −17%, better
Vas60.6 L −7%
BL23.2 T·m +4%
Xmax4.5 mm –
Sensitivity96.7 dB +1.5
Sica12 S 4 PL
£334.09 · 23% more, worseFs40 Hz −6%
Qts0.25 +4%
Vas57 L −12%, better
BL23.5 T·m +6%
Xmax7.5 mm +67%, better
Sensitivity93.6 dB −1.6
BMS12CN680
£365.51 · 35% more, worseFs46 Hz +7%
Qts0.26 +8%
Vas58 L −11%, better
BL20.6 T·m −7%
Xmax5.5 mm +22%, better
Sensitivity95.2 dB –
B&C12CXN88
£465.46 · 72% more, worseFs50 Hz +16%, worse
Qts0.22 −8%
Vas59 L −9%
BL20.9 T·m −6%
Xmax10.5 mm +133%, better
Sensitivity97.1 dB +1.9
Oberton12H4CX72
No current priceFs50 Hz +16%, worse
Qts0.25 +5%
Vas74.7 L +15%, worse
BL19.9 T·m −10%, worse
Xmax4.5 mm –
Sensitivity97.6 dB +2.4, better
BMS12S302
No current priceFs45 Hz +5%
Qts0.25 +5%
Vas65 L –
BL15.7 T·m −30%, worse
Xmax4.5 mm –
Sensitivity95.5 dB –
RCFLF12P903
No current priceFs47 Hz +9%
Qts0.23 −4%
Vas65 L –
BL22.1 T·m –
Xmax7 mm +56%, better
Sensitivity96.5 dB +1.3
No photo
PHL Audio4071-1
No current priceFs47 Hz +9%
Qts0.24 –
Vas57.8 L −11%, better
BL20.6 T·m −7%
Xmax6.5 mm +44%, better
Sensitivity95.7 dB +0.5
Oberton12B401
No current priceFs47 Hz +8%
Qts0.24 –
Vas69.6 L +7%
BL19.9 T·m −10%, worse
Xmax6.8 mm +50%, better
Sensitivity96.5 dB +1.3
Oberton12B400
No current priceFs50 Hz +17%, worse
Qts0.25 +4%
Vas74.7 L +15%, worse
BL18.4 T·m −17%, worse
Xmax5.3 mm +17%, better
Sensitivity97.8 dB +2.6, better
Oberton12B450
No current priceFs46 Hz +8%
Qts0.23 –
Vas71.8 L +10%, worse
BL19.3 T·m −13%, worse
Xmax7.8 mm +72%, better
Sensitivity96.7 dB +1.5
Precision DevicesPD.124NR1-LR
No current priceFs45 Hz +5%
Qts0.23 −6%
Vas78 L +20%, worse
BL22 T·m –
Xmax8.5 mm +89%, better
Sensitivity96.9 dB +1.7
Eighteen Sound12NLW9410
No current priceFs42 Hz –
Qts0.26 +8%
Vas55 L −15%, better
BL21.7 T·m –
Xmax11 mm +144%, better
Sensitivity93.8 dB −1.4
Sica12 K 4 PL
No current priceFs49 Hz +13%, worse
Qts0.25 +4%
Vas47.4 L −27%, better
BL22.9 T·m –
Xmax7 mm +56%, better
Sensitivity95 dB –
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 | £271.01, the lowest price | 1 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr