CIAREPWA12.75
£121.41 · 67% less, betterFs53 Hz +15%, worse
Qts0.30 +15%, worse
Vas52 L −10%, better
BL19.6 T·m −5%
Xmax5.8 mm +5%
Sensitivity95.9 dB +0.7
12-inch LF driver · 77 mm voice coil · 500 W
BMS 12CN680 8Ω
8 Ω · 50–20000 Hz
£365.51
SteadyLean Audio · 1 in stock · All 1 offer
- Fs
- 46Hz
- Xmax
- 5.5mm
- SPL
- 95dB
- Pe
- 500W
- BL
- 20.6T·m
- Vd
- 268cm³
- Qts
- 0.26
- Vas
- 58L
BMS 12CN680 is a 12-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 46 Hz, Qts 0.26, Vas 58 L, Xmax 5.5 mm, sensitivity 95.2 dB, plus 268 cm³ Vd and 170 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 £365.51.
The published T/S values agree with each other
Thiele/Small
- Fs
- 46Hz
- Qts
- 0.26
- Qes
- 0.27
- Qms
- 5.8
- Vas
- 58L
- Re
- 5.7Ω
Motor and cone
- BL
- 20.6T·m
- Sd
- 487cm²
- Mms
- 69g
- Xmax
- 5.5mm
- Vd †
- 268cm³
- Voice coil
- 77mm
Power and response
- Sensitivity †
- 95.2dB
- Manufacturer sensitivity
- 98dB
- Power
- 500W
- Impedance
- 8Ω
- Range
- 50–20000Hz
- EBP †
- 170 · Leans vented
Size and mounting
- Diameter
- 318mm
- Cutout
- 284mm
- Bolt circle
- 300mm
- Depth
- 180mm
- Weight
- 5.1kg
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.
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF
- BL
- 20.6T·m
- Fs
- 46Hz
- Re
- 5.7Ω
- Sd
- 487cm²
- Cms
- 0.17mm/N
- Mms
- 69g
- Qes
- 0.27
- Qms
- 5.8
- Qts
- 0.26
- SPL
- 95.2dB
- Vas
- 58L
- Xmax
- 5.5mm
- Power
- 500W
- Impedance
- 8Ω
- Sensitivity
- 98dB
- Low limit
- 50Hz
- Calculated sensitivity †
- 95.2dB
- High limit
- 20000Hz
- Manufacturer sensitivity
- 98dB
- Voice coil
- 77mm
- 10. basket
- Cast Aluminum
- 20. bl factor
- BL 20.6 Tesla m
- 1. application
- 2-way Transducer
- 18. moving mass
- Mms 0.069 kg
- 13. dc resistance
- Re 5.7 Ohm
- 9. magnet gap depth
- 8 mm
- 17. equivalent volume
- Vas 58 L
- 2. nominal impendance
- 8 Ohm
- 5. frequency response
- 50 – 20000 Hz
- 6. voice coil diameter
- 77 (3″) mm
- 7. voice coil material
- Cu
- 12. resonance frequency
- Fs 46 Hz
- 14. mechanical q factor
- Qms 5.8
- 15. electrical q factor
- Qes 0.27
- 16. total quality factor
- Qts 0.26
- 19. mechanical complience
- Cms 0.170 mm / N
- 21. effective piston area
- Sd 0.0487 m²
- 22. max. linear excursion
- Xmax +/- 5.5 mm
- 4. sensitivity (1 w / 1 m)
- 98 dB
- 3. power handling aes noise
- 500 W
- 8. voice coil winding depth
- 19 mm
- 11. voice coil inductance le
- 0.6 mH
HF
- SPL
- 113dB
- Power
- 80W
- Impedance
- 8Ω
- Power Peak
- 450
- Sensitivity
- 113dB
- Low limit
- 600Hz
- High limit
- 20000Hz
- Manufacturer sensitivity
- 113dB
- Voice coil
- 44mm
- Crossover
- 1300Hz
- 3. peak power
- 450 W
- 9. fluchs density
- 2.2 T
- 5. frequency range
- 600 – 20000 Hz
- 8. magnet material
- Neodymium
- 1. nominal impendance
- 8 Ohm
- 11. voice coil former
- Kapton TM
- 2. power handling aes
- 80 W
- 12. diaphragm material
- Polyester
- 7. voice coil diameter
- 44.4 (1.75″) mm
- 10. voice coil material
- Copper Clad Aluminium
- 6. recommended crossover
- 1300 Hz
- 4. sensitivity (1 w / 1 m)
- 113 dB
02
Compare
Same-size drivers, compared with the 12CN680. Clear differences are green when better and red when worse.
This driver12CN680
Best price
£365.51
Fs
46 Hz
Qts
0.26
Vas
58 L
BL
20.6 T·m
Xmax
5.5 mm
Sensitivity
95.2 dB
Power
500 W
RCFMB12G301
£142.33 · 61% less, betterFs53 Hz +15%, worse
Qts0.27 +4%
Vas72 L +24%, worse
BL17 T·m −17%, worse
Xmax6 mm +9%
Sensitivity97.9 dB +2.7, better
B&C12CLA76
£153.54 · 58% less, betterFs52 Hz +13%, worse
Qts0.25 −4%
Vas56 L −3%
BL20.2 T·m –
Xmax5.3 mm −4%
Sensitivity96.8 dB +1.6
Beyma12MCB700
£174.16 · 52% less, betterFs51 Hz +11%, worse
Qts0.27 +4%
Vas59.5 L –
BL20.4 T·m –
Xmax7 mm +27%, better
Sensitivity96.4 dB +1.2
RCFMB12N301
£183.23 · 50% less, betterFs54 Hz +17%, worse
Qts0.24 −8%
Vas71 L +22%, worse
BL19 T·m −8%
Xmax6 mm +9%
Sensitivity98.4 dB +3.2, better
RCFMB12X351
£187.93 · 49% less, betterFs55 Hz +20%, worse
Qts0.26 –
Vas46 L −21%, better
BL22.5 T·m +9%
Xmax7 mm +27%, better
Sensitivity96.6 dB +1.4
B&C12NDL88
£208.49 · 43% less, betterFs51 Hz +11%, worse
Qts0.27 +4%
Vas52 L −10%, better
BL19.9 T·m −3%
Xmax8 mm +45%, better
Sensitivity95.8 dB +0.6
Beyma12MC700ND
£209.29 · 43% less, betterFs51 Hz +11%, worse
Qts0.24 −8%
Vas58 L –
BL21.6 T·m +5%
Xmax7 mm +27%, better
Sensitivity96.7 dB +1.5
BMS12C262
£228.36 · 38% less, betterFs47 Hz –
Qts0.24 −8%
Vas60.6 L +4%
BL20.6 T·m –
Xmax2.5 mm −55%, worse
Sensitivity96.1 dB +0.9
BMS12N620
£247.26 · 32% less, betterFs45 Hz –
Qts0.25 −4%
Vas72.7 L +25%, worse
BL20.6 T·m –
Xmax5.5 mm –
Sensitivity96 dB +0.8
BMS12N802
£271.01 · 26% less, betterFs43 Hz −7%
Qts0.24 −8%
Vas65 L +12%, worse
BL22.3 T·m +8%
Xmax4.5 mm −18%, worse
Sensitivity95.2 dB –
BMS12N803
£285.67 · 22% less, betterFs41 Hz −11%, better
Qts0.24 −8%
Vas77 L +33%, worse
BL21.4 T·m +4%
Xmax6 mm +9%
Sensitivity95.3 dB –
Beyma12P1000ND
£318.29 · 13% less, betterFs47 Hz –
Qts0.26 –
Vas49 L −16%, better
BL23.5 T·m +14%, better
Xmax8 mm +45%, better
Sensitivity94.8 dB –
Sica12 S 4 PL
£334.09 · 9% less, betterFs40 Hz −12%, better
Qts0.25 −4%
Vas57 L –
BL23.5 T·m +14%, better
Xmax7.5 mm +36%, better
Sensitivity93.6 dB −1.6
Beyma12CXA400ND
£349.99 · 4% lessFs45 Hz –
Qts0.25 −4%
Vas88.5 L +53%, worse
BL21.4 T·m +4%
Xmax6 mm +9%
Sensitivity96.9 dB +1.7
Eighteen Sound12NCX750
£426.63 · 17% more, worseFs58 Hz +26%, worse
Qts0.29 +12%, worse
Vas63 L +9%
BL17.5 T·m −15%, worse
Xmax5.5 mm –
Sensitivity98 dB +2.8, better
Eighteen Sound12NCX750H
£444.75 · 22% more, worseFs58 Hz +26%, worse
Qts0.29 +12%, worse
Vas63 L +9%
BL17.5 T·m −15%, worse
Xmax5.5 mm –
Sensitivity98 dB +2.8, better
No photo
PHL Audio4071-1
No current priceFs47 Hz –
Qts0.24 −8%
Vas57.8 L –
BL20.6 T·m –
Xmax6.5 mm +18%, better
Sensitivity95.7 dB +0.5
LavoceNBASS12-30
No current priceFs46 Hz –
Qts0.26 –
Vas68.6 L +18%, worse
BL19.5 T·m −5%
Xmax6.6 mm +20%, better
Sensitivity96 dB +0.8
Oberton12MB35
No current priceFs51 Hz +12%, worse
Qts0.27 –
Vas50.1 L −14%, better
BL20.5 T·m –
Xmax6.8 mm +23%, better
Sensitivity96 dB +0.8
Oberton12B400
No current priceFs50 Hz +10%
Qts0.25 −4%
Vas74.7 L +29%, worse
BL18.4 T·m −11%, worse
Xmax5.3 mm −5%
Sensitivity97.8 dB +2.6, better
Eighteen Sound12NLW9410
No current priceFs42 Hz −9%
Qts0.26 –
Vas55 L −5%
BL21.7 T·m +5%
Xmax11 mm +100%, better
Sensitivity93.8 dB −1.4
FaneCOLOSSUS 12MB
No current priceFs55 Hz +20%, worse
Qts0.29 +10%
Vas56 L −3%
BL18.3 T·m −11%, worse
Xmax5.5 mm –
Sensitivity96.5 dB +1.3
Oberton12H4CX72
No current priceFs50 Hz +8%
Qts0.25 −3%
Vas74.7 L +29%, worse
BL19.9 T·m −3%
Xmax4.5 mm −18%, worse
Sensitivity97.6 dB +2.4, better
No photo
PHL Audio4310NDU
No current priceFs43 Hz −7%
Qts0.27 +4%
Vas56.7 L –
BL22 T·m +7%
Xmax10 mm +82%, better
Sensitivity94.1 dB −1.1
Sica12 PFS 4
No current priceFs39 Hz −15%, better
Qts0.26 –
Vas55.6 L −4%
BL23.9 T·m +16%, better
Xmax9 mm +64%, better
Sensitivity92.9 dB −2.3, worse
Oberton12B401
No current priceFs47 Hz –
Qts0.24 −6%
Vas69.6 L +20%, worse
BL19.9 T·m −3%
Xmax6.8 mm +23%, better
Sensitivity96.5 dB +1.3
BMS12S302
No current priceFs45 Hz –
Qts0.25 –
Vas65 L +12%, worse
BL15.7 T·m −24%, worse
Xmax4.5 mm −18%, worse
Sensitivity95.5 dB –
Beyma12CXA400FE
No current priceFs42 Hz −9%
Qts0.25 −4%
Vas94 L +62%, worse
BL19.8 T·m −4%
Xmax6 mm +9%
Sensitivity96.3 dB +1.1
B&C12FL76
No current priceFs50 Hz +9%
Qts0.30 +15%, worse
Vas57 L –
BL18.7 T·m −9%
Xmax6 mm +9%
Sensitivity95.5 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 | £365.51, the lowest price | 1 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr