B&C12CL76
£136.00 · 1% lessFs48 Hz −9%
Qts0.21 +11%, worse
Vas59 L −6%
BL22.4 T·m –
Xmax6 mm +20%, better
Sensitivity96.8 dB −1.9
12-inch LF driver · 12MH series · 76 mm voice coil · 400 W
B&C 12MH32 8Ω
8 Ω · 50–3000 Hz
- Fs
- 53Hz
- Xmax
- 5mm
- SPL
- 99dB
- Pe
- 400W
- BL
- 22.3T·m
- Vd
- 261cm³
- Qts
- 0.19
- Vas
- 63L
Published graphs
B&C 12MH32 is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.19, Vas 63 L, Xmax 5 mm, sensitivity 98.7 dB, plus 261 cm³ Vd and 265 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 £137.65.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.19
- Qes
- 0.20
- Qms
- 7.2
- Vas
- 63L
- Re
- 5.2Ω
- Le
- 0.83mH
Motor and cone
- BL
- 22.3T·m
- Sd
- 522cm²
- Mms
- 54g
- Xmax
- 5mm
- Vd †
- 261cm³
- Voice coil
- 76mm
- Flux density
- 1.40T
Power and response
- Sensitivity †
- 98.7dB
- Manufacturer sensitivity
- 101dB
- Power
- 400W
- Nominal power
- 400W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- Range
- 50–3000Hz
- EBP †
- 265 · Leans vented
Size and mounting
- Diameter
- 316mm
- Cutout
- 282mm
- Bolt circle
- 296mm
- Depth
- 133mm
- Weight
- 7.5kg
Sensitivity shows 98.7 dB, calculated from the T/S values. B&C publishes 101.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 22.3T·m
- Fs
- 53Hz
- Le
- 0.83mH
- Re
- 5.2Ω
- Sd
- 522cm²
- Mms
- 54g
- Qes
- 0.20
- Qms
- 7.2
- Qts
- 0.19
- SPL
- 98.7dB
- Vas
- 63L
- Xmax
- 5mm
- Power
- 400W
- Impedance
- 8Ω
- Flux density
- 1.40T
- Sensitivity
- 101dB
- Low limit
- 50Hz
- Nominal power
- 400W
- Calculated sensitivity †
- 98.7dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 101dB
- Min. impedance
- 6.5Ω
- Voice coil
- 76mm
- Weight
- 7.5kg
- Diameter
- 316mm
- Depth
- 133mm
- Cutout
- 282mm
- Bolt circle
- 296mm
- Bl
- 22.3 Tm
- Fs
- 53 Hz
- Le
- 0.83 mH
- Re
- 5.2 Ω
- Sd
- 522 cm² (80.9 in²)
- Ebp
- 265 Hz
- Mms
- 54 g
- Qes
- 0.2
- Qms
- 7.2
- Qts
- 0.19
- Vas
- 63 dm³ (2.2 ft³)
- Η0
- 4.8 %
- Cone
- RCK012MH328
- Xmax
- 5 mm
- Xvar
- 7 mm
- Depth
- 133 mm (5.24 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 7.5 kg (16.53 lb)
- Pole design
- T-Pole
- Sensitivity
- 101 dB
- Flux density
- 1.4 T
- Shipping box
- 360x360x200 mm (14.17x14.17x7.87 in)
- Winding depth
- 14 mm (0.55 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 50 Hz - 3000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 8.4 kg (18.52 lb)
- Nominal diameter
- 320 mm (12 in)
- Overall diameter
- 316 mm (12.4 in)
- Winding material
- Copper
- Minimum impedance
- 6.5 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 8 mm (0.31 in)
- Voice coil diameter
- 76 mm (3 in)
- Bolt circle diameter
- 296 mm (11.6 in)
- Woofer cone treatment
- None
- Baffle cutout diameter
- 282 mm (11.1 in)
- Nominal power handling
- 400 W
- Continuous power handling
- 800 W
- Flange and gasket thickness
- 12 mm (0.47 in)
- Air volume occupied by driver
- 3.3 dm³ (0.12 ft³)
02
Compare
Same-size drivers, compared with the 12MH32. Clear differences are green when better and red when worse.
This driver12MH32
Best price
£137.65
Fs
53 Hz
Qts
0.19
Vas
63 L
BL
22.3 T·m
Xmax
5 mm
Sensitivity
98.7 dB
Power
400 W
Eighteen Sound12MB600
£149.00 · 8% more, worseFs44 Hz −17%, better
Qts0.18 −5%
Vas115 L +83%, worse
BL18 T·m −19%, worse
Xmax4.5 mm −10%, worse
Sensitivity99.2 dB +0.5
PRV Audio12MR1200X
£149.54 · 9% more, worseFs53 Hz –
Qts0.21 +11%, worse
Vas71.8 L +14%, worse
BL22 T·m –
Xmax4.5 mm −10%, worse
Sensitivity99 dB –
B&C12PLB76
£149.88 · 9% more, worseFs50 Hz −6%
Qts0.23 +21%, worse
Vas75 L +19%, worse
BL18.6 T·m −17%, worse
Xmax5 mm –
Sensitivity97.9 dB −0.8
Beyma12MI100
£153.44 · 11% more, worseFs58 Hz +9%
Qts0.22 +16%, worse
Vas64 L –
BL21.6 T·m −3%
Xmax3 mm −40%, worse
Sensitivity99.4 dB +0.7
B&C12NDL76
£165.79 · 20% more, worseFs50 Hz −6%
Qts0.20 +5%
Vas73 L +16%, worse
BL20.1 T·m −10%
Xmax7 mm +40%, better
Sensitivity98.4 dB –
Eighteen Sound12MB700
£171.65 · 25% more, worseFs49 Hz −8%
Qts0.19 –
Vas101 L +60%, worse
BL17.8 T·m −20%, worse
Xmax4.5 mm −10%, worse
Sensitivity99.8 dB +1.1
Eighteen Sound12MB1000
£204.35 · 48% more, worseFs54 Hz –
Qts0.18 −5%
Vas60 L −5%
BL23.5 T·m +5%
Xmax2.5 mm −50%, worse
Sensitivity98.8 dB –
BMS12S320
£204.98 · 49% more, worseFs45 Hz −14%, better
Qts0.20 +5%
Vas69.5 L +10%, worse
BL23.3 T·m +4%
Xmax4.5 mm −10%, worse
Sensitivity96.9 dB −1.8
Sica12 F 4 CP
£216.86 · 58% more, worseFs46 Hz −13%, better
Qts0.20 +5%
Vas52 L −17%, better
BL26.0 T·m +17%, better
Xmax6 mm +20%, better
Sensitivity95.8 dB −2.9, worse
RCFMB12N351
£225.00 · 63% more, worseFs55 Hz +4%
Qts0.20 +5%
Vas61 L −3%
BL22.5 T·m –
Xmax6 mm +20%, better
Sensitivity98.9 dB –
Eighteen Sound12ND710
£240.31 · 75% more, worseFs52 Hz –
Qts0.20 +5%
Vas92 L +46%, worse
BL18 T·m −19%, worse
Xmax5 mm –
Sensitivity100.1 dB +1.4
Beyma12P80FE
£247.64 · 80% more, worseFs48 Hz −9%
Qts0.21 +11%, worse
Vas61 L −3%
BL23 T·m +3%
Xmax7.5 mm +50%, better
Sensitivity96.9 dB −1.8
Eighteen Sound12ND930
£248.59 · 81% more, worseFs50 Hz −6%
Qts0.21 +11%, worse
Vas70 L +11%, worse
BL21.2 T·m −5%
Xmax6.5 mm +30%, better
Sensitivity98 dB −0.7
Eighteen Sound12NMB1000
£252.00 · 83% more, worseFs54 Hz –
Qts0.19 –
Vas58 L −8%
BL24.4 T·m +9%
Xmax3.5 mm −30%, worse
Sensitivity98.8 dB –
BMS12N802
£271.01 · 97% more, worseFs43 Hz −19%, better
Qts0.24 +26%, worse
Vas65 L +3%
BL22.3 T·m –
Xmax4.5 mm −10%, worse
Sensitivity95.2 dB −3.5, worse
BMS12C362
£287.08 · 109% more, worseFs46 Hz −14%, better
Qts0.20 +5%
Vas60.6 L −4%
BL23.2 T·m +4%
Xmax4.5 mm −10%, worse
Sensitivity96.7 dB −2, worse
Beyma12P80ND
£375.61 · 173% more, worseFs47 Hz −11%, better
Qts0.19 –
Vas65 L +3%
BL23.7 T·m +6%
Xmax7.5 mm +50%, better
Sensitivity97.3 dB −1.4
Eighteen Sound12MB710
No current priceFs46 Hz −13%, better
Qts0.20 +5%
Vas81 L +29%, worse
BL20.5 T·m −8%
Xmax5 mm –
Sensitivity98 dB −0.7
Eighteen Sound12MB720
No current priceFs46 Hz −13%, better
Qts0.20 +5%
Vas81 L +29%, worse
BL20.5 T·m −8%
Xmax5 mm –
Sensitivity98 dB −0.7
Eighteen Sound12MB810
No current priceFs46 Hz −13%, better
Qts0.20 +5%
Vas81 L +29%, worse
BL20.5 T·m −8%
Xmax5 mm –
Sensitivity98 dB −0.7
Oberton12NB400
No current priceFs44 Hz −18%, better
Qts0.18 −5%
Vas70.5 L +12%, worse
BL20.3 T·m −9%
Xmax5.3 mm +5%
Sensitivity97.1 dB −1.6
No photo
PHL Audio4051
No current priceFs49 Hz −8%
Qts0.20 +5%
Vas85.2 L +35%, worse
BL20.9 T·m −6%
Xmax5 mm –
Sensitivity98.8 dB –
Oberton12NXL400
No current priceFs49 Hz −8%
Qts0.20 +7%
Vas79.2 L +26%, worse
BL20.6 T·m −8%
Xmax5.3 mm +5%
Sensitivity98.5 dB –
Eighteen Sound12ND940
No current priceFs49 Hz −8%
Qts0.20 +5%
Vas64.8 L –
BL22.2 T·m –
Xmax7.6 mm +52%, better
Sensitivity97.8 dB −0.9
RCFMB12N405
No current priceFs52 Hz –
Qts0.20 +5%
Vas53 L −16%, better
BL23.5 T·m +5%
Xmax7 mm +40%, better
Sensitivity97.5 dB −1.2
RCFCX12N351
No current priceFs58 Hz +9%
Qts0.20 +5%
Vas47 L −25%, better
BL25 T·m +12%, better
Xmax6 mm +20%, better
Sensitivity98.4 dB –
Oberton12NB450
No current priceFs46 Hz −12%, better
Qts0.20 +7%
Vas72.6 L +15%, worse
BL20.3 T·m −9%
Xmax7.8 mm +55%, better
Sensitivity97.5 dB −1.2
Eighteen Sound12MB777
No current priceFs49 Hz −8%
Qts0.19 –
Vas101 L +60%, worse
BL17.8 T·m −20%, worse
Xmax4.5 mm −10%, worse
Sensitivity99.8 dB +1.1
Precision DevicesPD.1225C001
No current priceFs39 Hz −26%, better
Qts0.19 –
Vas156 L +148%, worse
BL17.5 T·m −21%, worse
Xmax5.6 mm +12%, better
Sensitivity98.8 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.5 out of 52 ratings · Checked 25 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £166.61, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £166.61 | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £166.61 | In stock | Visit shop at JP Leisure | |
JP Leisure | £166.61 | In stock | Visit shop at JP Leisure | |
Thomann | £168.00 | 0.8% above the lowest price | In stock | Visit shop at Thomann |
Blue Aran | £169.99 | 2.0% above the lowest price | 5 in stock | Visit shop at Blue Aran |
Blue Aran | £169.99 | 2.0% above the lowest price | 2 in stock | Visit shop at Blue Aran |
Audio Video Parts Import VAT and duty may apply | £137.65 | In stock | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £213.46 | 28% above the lowest price | 2 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 12 OctThomann£169.00 → £168.00Down 0.6% from £169.00
- 26 SepThomann£171.00 → £169.00Down 1.2% from £171.00
- 2 SepThomann£170.00 → £171.00Up 0.6% from £170.00