B&C12CL76
£136.00 · 40% less, betterFs48 Hz −13%, better
Qts0.21 +5%
Vas59 L −3%
BL22.4 T·m –
Xmax6 mm –
Sensitivity96.8 dB −2.1, worse
12-inch LF driver · 89 mm voice coil · 650 W
RCF MB12N351 8Ω
8 Ω · 45–3000 Hz
£225.00
SteadyBlue Aran · 4 in stock · All 5 offers
- Fs
- 55Hz
- Xmax
- 6mm
- SPL
- 99dB
- Pe
- 650W
- BL
- 22.5T·m
- Vd
- 300cm³
- Qts
- 0.20
- Vas
- 61L
RCF MB12N351 is a 12-inch 8 ohm LF driver rated at 650 W RMS. The validated T/S data includes Fs 55 Hz, Qts 0.20, Vas 61 L, Xmax 6 mm, sensitivity 98.9 dB, plus 300 cm³ Vd and 262 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 £225.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 55Hz
- Qts
- 0.20
- Qes
- 0.21
- Qms
- 4.5
- Vas
- 61L
- Re
- 5.6Ω
- Le
- 1.65mH
Motor and cone
- BL
- 22.5T·m
- Sd
- 500cm²
- Mms
- 54g
- Xmax
- 6mm
- Vd †
- 300cm³
- Voice coil
- 89mm
Power and response
- Sensitivity †
- 98.9dB
- Manufacturer sensitivity
- 99dB
- Power
- 650W
- Impedance
- 8Ω
- Min. impedance
- 7Ω
- Range
- 45–3000Hz
- EBP †
- 262 · Leans vented
Size and mounting
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 304mm
- Weight
- 4.5kg
Other published values
- Xmech
- 39
- Power Program
- 1300
† Calculated by bits from the published values
What this validation status means
Everything else RCF lists
LF · Primary · 12″
- BL
- 22.5T·m
- Fs
- 55Hz
- Le
- 1.65mH
- Re
- 5.6Ω
- Sd
- 500cm²
- Mms
- 54g
- Qes
- 0.21
- Qms
- 4.5
- Qts
- 0.20
- SPL
- 98.9dB
- Vas
- 61L
- Xmax
- 6mm
- Xmech
- 39
- Power
- 650W
- Impedance
- 8Ω
- Sensitivity
- 99dB
- Low limit
- 45Hz
- Power Program
- 1300
- Calculated sensitivity †
- 98.9dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 99dB
- Min. impedance
- 7Ω
- Voice coil
- 89mm
- Weight
- 4.5kg
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 304mm
02
Compare
Same-size drivers, compared with the MB12N351. Clear differences are green when better and red when worse.
This driverMB12N351
Best price
£225.00
Fs
55 Hz
Qts
0.20
Vas
61 L
BL
22.5 T·m
Xmax
6 mm
Sensitivity
98.9 dB
Power
650 W
B&C12MH32
£137.65 · 39% less, betterFs53 Hz −4%
Qts0.19 −5%
Vas63 L +3%
BL22.3 T·m –
Xmax5 mm −17%, worse
Sensitivity98.7 dB –
PRV Audio12MR1200X
£149.54 · 34% less, betterFs53 Hz −5%
Qts0.21 +5%
Vas71.8 L +18%, worse
BL22 T·m –
Xmax4.5 mm −25%, worse
Sensitivity99 dB –
Beyma12MI100
£153.44 · 32% less, betterFs58 Hz +5%
Qts0.22 +10%
Vas64 L +5%
BL21.6 T·m −4%
Xmax3 mm −50%, worse
Sensitivity99.4 dB +0.5
B&C12NDL76
£165.79 · 26% less, betterFs50 Hz −9%
Qts0.20 –
Vas73 L +20%, worse
BL20.1 T·m −11%, worse
Xmax7 mm +17%, better
Sensitivity98.4 dB −0.5
Eighteen Sound12MB1000
£204.35 · 9% less, betterFs54 Hz –
Qts0.18 −10%, better
Vas60 L –
BL23.5 T·m +4%
Xmax2.5 mm −58%, worse
Sensitivity98.8 dB –
BMS12S320
£204.98 · 9% less, betterFs45 Hz −17%, better
Qts0.20 –
Vas69.5 L +14%, worse
BL23.3 T·m +4%
Xmax4.5 mm −25%, worse
Sensitivity96.9 dB −2, worse
Sica12 F 4 CP
£216.86 · 4% lessFs46 Hz −16%, better
Qts0.20 –
Vas52 L −15%, better
BL26.0 T·m +16%, better
Xmax6 mm –
Sensitivity95.8 dB −3.1, worse
Beyma12P80FE
£247.64 · 10% more, worseFs48 Hz −13%, better
Qts0.21 +5%
Vas61 L –
BL23 T·m –
Xmax7.5 mm +25%, better
Sensitivity96.9 dB −2, worse
Eighteen Sound12ND930
£248.59 · 10% more, worseFs50 Hz −9%
Qts0.21 +5%
Vas70 L +15%, worse
BL21.2 T·m −6%
Xmax6.5 mm +8%
Sensitivity98 dB −0.9
Eighteen Sound12NMB1000
£252.00 · 12% more, worseFs54 Hz –
Qts0.19 −5%
Vas58 L −5%
BL24.4 T·m +8%
Xmax3.5 mm −42%, worse
Sensitivity98.8 dB –
BMS12N803
£285.67 · 27% more, worseFs41 Hz −25%, better
Qts0.24 +20%, worse
Vas77 L +26%, worse
BL21.4 T·m −5%
Xmax6 mm –
Sensitivity95.3 dB −3.6, worse
BMS12C362
£287.08 · 28% more, worseFs46 Hz −17%, better
Qts0.20 –
Vas60.6 L –
BL23.2 T·m +3%
Xmax4.5 mm −25%, worse
Sensitivity96.7 dB −2.2, worse
Beyma12P80ND
£375.61 · 67% more, worseFs47 Hz −15%, better
Qts0.19 −5%
Vas65 L +7%
BL23.7 T·m +5%
Xmax7.5 mm +25%, better
Sensitivity97.3 dB −1.6
B&C12CXN76
£382.96 · 70% more, worseFs42 Hz −24%, better
Qts0.19 −5%
Vas120 L +97%, worse
BL17.6 T·m −22%, worse
Xmax6 mm –
Sensitivity98.5 dB –
B&C12HCX76
£385.07 · 71% more, worseFs42 Hz −24%, better
Qts0.19 −5%
Vas120 L +97%, worse
BL17.6 T·m −22%, worse
Xmax6 mm –
Sensitivity98.5 dB –
LavoceCAN123.00T
£401.07 · 78% more, worseFs46 Hz −16%, better
Qts0.22 +10%
Vas91 L +49%, worse
BL18.5 T·m −18%, worse
Xmax6 mm –
Sensitivity97.9 dB −1
B&C12CXN88
£465.46 · 107% more, worseFs50 Hz −9%
Qts0.22 +10%
Vas59 L −3%
BL20.9 T·m −7%
Xmax10.5 mm +75%, better
Sensitivity97.1 dB −1.8
RCFCX12N351
No current priceFs58 Hz +5%
Qts0.20 –
Vas47 L −23%, better
BL25 T·m +11%, better
Xmax6 mm –
Sensitivity98.4 dB −0.5
RCFMB12N405
No current priceFs52 Hz −5%
Qts0.20 –
Vas53 L −13%, better
BL23.5 T·m +4%
Xmax7 mm +17%, better
Sensitivity97.5 dB −1.4
Eighteen Sound12ND940
No current priceFs49 Hz −11%, better
Qts0.20 –
Vas64.8 L +6%
BL22.2 T·m –
Xmax7.6 mm +27%, better
Sensitivity97.8 dB −1.1
Oberton12NXL400
No current priceFs49 Hz −12%, better
Qts0.20 –
Vas79.2 L +30%, worse
BL20.6 T·m −9%
Xmax5.3 mm −13%, worse
Sensitivity98.5 dB –
No photo
PHL Audio4051
No current priceFs49 Hz −11%, better
Qts0.20 –
Vas85.2 L +40%, worse
BL20.9 T·m −7%
Xmax5 mm −17%, worse
Sensitivity98.8 dB –
Eighteen Sound12MB710
No current priceFs46 Hz −16%, better
Qts0.20 –
Vas81 L +33%, worse
BL20.5 T·m −9%
Xmax5 mm −17%, worse
Sensitivity98 dB −0.9
Eighteen Sound12MB720
No current priceFs46 Hz −16%, better
Qts0.20 –
Vas81 L +33%, worse
BL20.5 T·m −9%
Xmax5 mm −17%, worse
Sensitivity98 dB −0.9
Eighteen Sound12MB810
No current priceFs46 Hz −16%, better
Qts0.20 –
Vas81 L +33%, worse
BL20.5 T·m −9%
Xmax5 mm −17%, worse
Sensitivity98 dB −0.9
Oberton12NB450
No current priceFs46 Hz −16%, better
Qts0.20 –
Vas72.6 L +19%, worse
BL20.3 T·m −10%
Xmax7.8 mm +29%, better
Sensitivity97.5 dB −1.4
RCFLF12P903
No current priceFs47 Hz −15%, better
Qts0.23 +15%, worse
Vas65 L +7%
BL22.1 T·m –
Xmax7 mm +17%, better
Sensitivity96.5 dB −2.4, worse
Oberton12NB400
No current priceFs44 Hz −21%, better
Qts0.18 −10%, better
Vas70.5 L +15%, worse
BL20.3 T·m −10%
Xmax5.3 mm −13%, worse
Sensitivity97.1 dB −1.8
LavoceCAN123.00TH
No current priceFs46 Hz −16%, better
Qts0.22 +10%
Vas91 L +49%, worse
BL18.5 T·m −18%, worse
Xmax6 mm –
Sensitivity97.9 dB −1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann5.0 out of 56 ratings · Checked 25 Oct 2026Read reviews on Thomann
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Blue Aran | £225.00, the lowest price | 4 in stock | Visit shop at Blue Aran | |
Lean Business | £242.97 | 8.0% above the lowest price | Out of stock | Visit shop at Lean Business |
Thomann | £268.00 | 19% above the lowest price | In stock | Visit shop at Thomann |
Audio Video Parts Import VAT and duty may apply | £209.33 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 24 OctThomann£271.00 → £268.00Down 1.1% from £271.00
- 16 OctThomann£272.00 → £271.00Down 0.4% from £272.00
- 12 OctThomann£275.00 → £272.00Down 1.1% from £275.00