- Net volume
- 50L
- Tuning
- 50Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
12-inch LF driver · 12NW series · 100 mm voice coil · 1,000 W
B&C 12NW100 4Ω
45–1500 Hz
£260.39
0.5%JP Leisure · In stock · All 6 offers
- Fs
- 44Hz
- Xmax
- 9mm
- SPL
- 95dB
- Pe
- 1000W
- BL
- 24.4T·m
- Vd
- 478cm³
- Qts
- 0.20
- Vas
- 43L
Published graphs
B&C 12NW100 is a 12-inch 4 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 44 Hz, Qts 0.20, Vas 43.3 L, Xmax 9 mm, sensitivity 94.5 dB, plus 478 cm³ Vd and 210 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 £260.39.
The published T/S values agree with each other
Thiele/Small
- Fs
- 44Hz
- Qts
- 0.20
- Qes
- 0.21
- Qms
- 5.8
- Vas
- 43.3L
- Re
- 3.8Ω
- Le
- 1.79mH
Motor and cone
- BL
- 24.4T·m
- Sd
- 531cm²
- Mms
- 120g
- Xmax
- 9mm
- Vd †
- 478cm³
- Voice coil
- 100mm
- Flux density
- 1.20T
Power and response
- Sensitivity †
- 94.5dB
- Manufacturer sensitivity
- 92dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 4Ω
- Min. impedance
- 5Ω
- Range
- 45–1500Hz
- EBP †
- 210 · Leans vented
Size and mounting
- Diameter
- 319mm
- Cutout
- 281mm
- Bolt circle
- 299mm
- Depth
- 137mm
- Weight
- 8.2kg
Sensitivity shows 94.5 dB, calculated from the T/S values. B&C publishes 92.0 dB, 2.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 24.4T·m
- Fs
- 44Hz
- Le
- 1.79mH
- Re
- 3.8Ω
- Sd
- 531cm²
- Mms
- 120g
- Qes
- 0.21
- Qms
- 5.8
- Qts
- 0.20
- SPL
- 94.5dB
- Vas
- 43.3L
- Xmax
- 9mm
- Power
- 1000W
- Impedance
- 4Ω
- Flux density
- 1.20T
- Sensitivity
- 92dB
- Low limit
- 45Hz
- Nominal power
- 1000W
- Calculated sensitivity †
- 94.5dB
- High limit
- 1500Hz
- Manufacturer sensitivity
- 92dB
- Min. impedance
- 5Ω
- Voice coil
- 100mm
- Weight
- 8.2kg
- Diameter
- 319mm
- Depth
- 137mm
- Cutout
- 281mm
- Bolt circle
- 299mm
- Bl
- 24.38 Tm
- Fs
- 44 Hz
- Le
- 1.79 mH
- Re
- 3.8 Ω
- Sd
- 531 cm² (82.3 in²)
- Ebp
- 210 Hz
- Mms
- 120 g
- Qes
- 0.21
- Qms
- 5.8
- Qts
- 0.2
- Vas
- 43.3 dm³ (1.53 ft³)
- Η0
- 1.69 %
- Cone
- RCK12NW1004
- Xmax
- 9 mm
- Xvar
- 10 mm
- Depth
- 137 mm (5.4 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 8.2 kg (18 lb)
- Pole design
- T-Pole
- Sensitivity
- 92 dB
- Flux density
- 1.2 T
- Shipping box
- 360x360x200 mm (14.17x14.17x7.87 in)
- Winding depth
- 25 mm (1 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 45 Hz - 1500 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 9.1 kg (20.06 lb)
- Nominal diameter
- 320 mm (12 in)
- Overall diameter
- 319 mm (12.5 in)
- Winding material
- Copper
- Minimum impedance
- 5 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 12 mm (0.5 in)
- Recommended tuning
- 50 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 299 mm (11.8 in)
- Recommended enclosure
- 50 dm³ (1.77 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 281 mm (11.1 in)
- Nominal power handling
- 1000 W
- Continuous power handling
- 2000 W
- Flange and gasket thickness
- 13 mm (0.5 in)
- Air volume occupied by driver
- 2.7 dm³ (0.09 ft³)
B&C’s suggested box
From B&C’s 12NW100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 12NW100. Clear differences are green when better and red when worse.
This driver12NW100
Best price
£260.39
Fs
44 Hz
Qts
0.20
Vas
43.3 L
BL
24.4 T·m
Xmax
9 mm
Sensitivity
94.5 dB
Power
1000 W
B&C12CL76
£126.31 · 51% less, betterFs48 Hz +9%
Qts0.21 +5%
Vas59 L +36%, worse
BL22.4 T·m −8%
Xmax6 mm −33%, worse
Sensitivity96.8 dB +2.3, better
B&C12MH32
£139.23 · 47% less, betterFs53 Hz +20%, worse
Qts0.19 −5%
Vas63 L +45%, worse
BL22.3 T·m −9%
Xmax5 mm −44%, worse
Sensitivity98.7 dB +4.2, better
B&C12FW76
£150.76 · 42% less, betterFs54 Hz +23%, worse
Qts0.18 −10%, better
Vas48.5 L +12%, worse
BL20.4 T·m −16%, worse
Xmax7 mm −22%, worse
Sensitivity98.6 dB +4.1, better
Beyma12P80FE
£175.00 · 33% less, betterFs48 Hz +9%
Qts0.21 +5%
Vas61 L +41%, worse
BL23 T·m −6%
Xmax7.5 mm −17%, worse
Sensitivity96.9 dB +2.4, better
Dayton Audio12LF400-8
£194.76 · 25% less, betterFs28 Hz −36%, better
Qts0.21 +5%
Vas147.8 L +241%, worse
BL21.8 T·m −11%, worse
Xmax9.3 mm –
Sensitivity93.7 dB −0.8
Eighteen Sound12MB1000
£204.35 · 22% less, betterFs54 Hz +23%, worse
Qts0.18 −10%, better
Vas60 L +39%, worse
BL23.5 T·m −4%
Xmax2.5 mm −72%, worse
Sensitivity98.8 dB +4.3, better
BMS12S320
£204.98 · 21% less, betterFs45 Hz +3%
Qts0.20 –
Vas69.5 L +61%, worse
BL23.3 T·m −4%
Xmax4.5 mm −50%, worse
Sensitivity96.9 dB +2.4, better
B&C12TBX100
£206.66 · 21% less, betterFs44 Hz –
Qts0.23 +15%, worse
Vas41.1 L −5%
BL22.9 T·m −6%
Xmax9 mm –
Sensitivity93.7 dB −0.8
B&C12NBX100
£218.43 · 16% less, betterFs40 Hz −9%
Qts0.22 +10%
Vas46.5 L +7%
BL23.0 T·m −5%
Xmax10 mm +11%, better
Sensitivity93.1 dB −1.4
Sica12 F 4 CP
£219.36 · 16% less, betterFs46 Hz +5%
Qts0.20 –
Vas52 L +20%, worse
BL26.0 T·m +7%
Xmax6 mm −33%, worse
Sensitivity95.8 dB +1.3
RCFMB12N351
£225.00 · 14% less, betterFs55 Hz +25%, worse
Qts0.20 –
Vas61 L +41%, worse
BL22.5 T·m −8%
Xmax6 mm −33%, worse
Sensitivity98.9 dB +4.4, better
FaitalPRO12HP1020
£235.45 · 10% less, betterFs55 Hz +25%, worse
Qts0.27 +35%, worse
Vas38.6 L −11%, better
BL24.3 T·m –
Xmax9 mm –
Sensitivity95.6 dB +1.1
FaitalPRO12FX600
£247.20 · 5% less, betterFs48 Hz +9%
Qts0.24 +20%, worse
Vas44.4 L –
BL25.3 T·m +4%
Xmax9.9 mm +10%, better
Sensitivity95 dB +0.5
Eighteen Sound12NMB1000
£252.00 · 3% lessFs54 Hz +23%, worse
Qts0.19 −5%
Vas58 L +34%, worse
BL24.4 T·m –
Xmax3.5 mm −61%, worse
Sensitivity98.8 dB +4.3, better
BMS12C362
£287.08 · 10% more, worseFs46 Hz +4%
Qts0.20 –
Vas60.6 L +40%, worse
BL23.2 T·m −5%
Xmax4.5 mm −50%, worse
Sensitivity96.7 dB +2.2, better
Beyma12P1000ND
£305.27 · 17% more, worseFs47 Hz +7%
Qts0.26 +30%, worse
Vas49 L +13%, worse
BL23.5 T·m −4%
Xmax8 mm −11%, worse
Sensitivity94.8 dB –
Beyma12LEX1300ND
£360.37 · 38% more, worseFs45 Hz –
Qts0.24 +20%, worse
Vas43 L –
BL26.4 T·m +8%
Xmax11 mm +22%, better
Sensitivity94 dB −0.5
Beyma12P80ND
£376.94 · 45% more, worseFs47 Hz +7%
Qts0.19 −5%
Vas65 L +50%, worse
BL23.7 T·m –
Xmax7.5 mm −17%, worse
Sensitivity97.3 dB +2.8, better
B&C12CXN88
£465.46 · 79% more, worseFs50 Hz +14%, worse
Qts0.22 +10%
Vas59 L +36%, worse
BL20.9 T·m −14%, worse
Xmax10.5 mm +17%, better
Sensitivity97.1 dB +2.6, better
RCFCX12N351
No current priceFs58 Hz +32%, worse
Qts0.20 –
Vas47 L +9%
BL25 T·m –
Xmax6 mm −33%, worse
Sensitivity98.4 dB +3.9, better
RCFMB12N405
No current priceFs52 Hz +18%, worse
Qts0.20 –
Vas53 L +22%, worse
BL23.5 T·m −4%
Xmax7 mm −22%, worse
Sensitivity97.5 dB +3, better
Eighteen Sound12ND940
No current priceFs49 Hz +11%, worse
Qts0.20 –
Vas64.8 L +50%, worse
BL22.2 T·m −9%
Xmax7.6 mm −16%, worse
Sensitivity97.8 dB +3.3, better
Oberton12NB450
No current priceFs46 Hz +6%
Qts0.20 –
Vas72.6 L +68%, worse
BL20.3 T·m −17%, worse
Xmax7.8 mm −14%, worse
Sensitivity97.5 dB +3, better
BMS12S310
No current priceFs45 Hz –
Qts0.20 –
Vas66.9 L +55%, worse
BL24.2 T·m –
Xmax2.5 mm −72%, worse
Sensitivity97 dB +2.5, better
Sica12 SR 4 CP
No current priceFs38 Hz −14%, better
Qts0.30 +50%, worse
Vas41.7 L −4%
BL24 T·m –
Xmax9 mm –
Sensitivity90.7 dB −3.8, worse
Precision DevicesPD.124NR1-LR
No current priceFs45 Hz –
Qts0.23 +12%, worse
Vas78 L +80%, worse
BL22 T·m −10%
Xmax8.5 mm −6%
Sensitivity96.9 dB +2.4, better
Sica12 PFS 4
No current priceFs39 Hz −11%, better
Qts0.26 +30%, worse
Vas55.6 L +28%, worse
BL23.9 T·m –
Xmax9 mm –
Sensitivity92.9 dB −1.6
No photo
PHL Audio4330NDU
No current priceFs36 Hz −18%, better
Qts0.22 +10%
Vas82.6 L +91%, worse
BL22 T·m −10%
Xmax8 mm −11%, worse
Sensitivity94.3 dB –
No photo
PHL Audio4051
No current priceFs49 Hz +11%, worse
Qts0.20 –
Vas85.2 L +97%, worse
BL20.9 T·m −14%, worse
Xmax5 mm −44%, worse
Sensitivity98.8 dB +4.3, better
Oberton12NB601
No current priceFs50 Hz +15%, worse
Qts0.30 +52%, worse
Vas38.7 L −11%, better
BL22.9 T·m −6%
Xmax8.8 mm –
Sensitivity94 dB −0.5
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 |
|---|---|---|---|---|
JP Leisure | £260.39, the lowest price | In stock | Visit shop at JP Leisure | |
Blue Aran 3-5 months | £259.00 | Usually available in 3-5 months | Visit shop at Blue Aran | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £260.39 | In stock | Visit shop at JP Leisure | |
Audio Video Parts Import VAT and duty may apply | £226.09 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 17 JulBlue Aran£263.00 → £259.00Down 1.5% from £263.00
- 23 JunJP Leisure£251.21 → £260.39Up 3.7% from £251.21
- 5 JunBlue Aran£249.00 → £263.00Up 5.6% from £249.00