- Net volume
- 50L
- Tuning
- 34Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
12-inch LF driver · 12FG series · 100 mm voice coil · 1,000 W
B&C 12FG100 4Ω
34–1000 Hz
£227.46
SteadyJP Leisure · In stock · All 5 offers
- Fs
- 34Hz
- Xmax
- 10.3mm
- SPL
- 90dB
- Pe
- 1000W
- BL
- 17.2T·m
- Vd
- 538cm³
- Qts
- 0.32
- Vas
- 53L
Published graphs
B&C 12FG100 is a 12-inch 4 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 34 Hz, Qts 0.32, Vas 53 L, Xmax 10.3 mm, sensitivity 89.9 dB, plus 538 cm³ Vd and 100 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 £227.46.
The published T/S values agree with each other
Thiele/Small
- Fs
- 34Hz
- Qts
- 0.32
- Qes
- 0.34
- Qms
- 5.4
- Vas
- 53L
- Re
- 2.9Ω
- Le
- 1.15mH
Motor and cone
- BL
- 17.2T·m
- Sd
- 522cm²
- Mms
- 162g
- Xmax
- 10.3mm
- Vd †
- 538cm³
- Voice coil
- 100mm
- Flux density
- 1.10T
Power and response
- Sensitivity †
- 89.9dB
- Manufacturer sensitivity
- 91dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 4Ω
- Min. impedance
- 2.9Ω
- Range
- 34–1000Hz
- EBP †
- 100 · Sealed or vented
Size and mounting
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 299mm
- Depth
- 150mm
- Weight
- 12.6kg
Sensitivity shows 89.9 dB, calculated from the T/S values. B&C publishes 91.0 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 17.2T·m
- Fs
- 34Hz
- Le
- 1.15mH
- Re
- 2.9Ω
- Sd
- 522cm²
- Mms
- 162g
- Qes
- 0.34
- Qms
- 5.4
- Qts
- 0.32
- SPL
- 89.9dB
- Vas
- 53L
- Xmax
- 10.3mm
- Power
- 1000W
- Impedance
- 4Ω
- Flux density
- 1.10T
- Sensitivity
- 91dB
- Low limit
- 34Hz
- Nominal power
- 1000W
- Calculated sensitivity †
- 89.9dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 91dB
- Min. impedance
- 2.9Ω
- Voice coil
- 100mm
- Weight
- 12.6kg
- Diameter
- 320mm
- Depth
- 150mm
- Cutout
- 282mm
- Bolt circle
- 299mm
- Bl
- 17.24 Tm
- Fs
- 34 Hz
- Le
- 1.15 mH
- Re
- 2.9 Ω
- Sd
- 522 cm² (80.91 in²)
- Ebp
- 100 Hz
- Mms
- 161.9 g
- Qes
- 0.34
- Qms
- 5.4
- Qts
- 0.32
- Vas
- 53 dm³ (1.87 ft³)
- Η0
- 0.57 %
- Cone
- RCK12FG1004
- Xmax
- 10.3 mm
- Xvar
- 14 mm
- Depth
- 150 mm (5.91 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 12.55 kg (27.67 lb)
- Pole design
- T-Pole
- Sensitivity
- 91 dB
- Flux density
- 1.1 T
- Shipping box
- 360x360x200 mm (14.17x14.17x7.87 in)
- Winding depth
- 26.5 mm (1.04 in)
- Shipping units
- 1 pcs
- Surround shape
- Roll
- Former material
- Glass Fibre
- Frequency range
- 34 Hz - 1000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 13.45 kg (29.65 lb)
- Nominal diameter
- 320 mm (12 in)
- Overall diameter
- 320 mm (12.6 in)
- Winding material
- Copper
- Minimum impedance
- 2.9 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 12 mm (0.47 in)
- Recommended tuning
- 34 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 299 mm (11.77 in)
- Recommended enclosure
- 50 dm³ (1.77 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 282 mm (11.1 in)
- Nominal power handling
- 1000 W
- Continuous power handling
- 2000 W
- Flange and gasket thickness
- 20 mm (0.81 in)
- Air volume occupied by driver
- 3 dm³ (0.11 ft³)
B&C’s suggested box
From B&C’s 12FG100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 12FG100. Clear differences are green when better and red when worse.
This driver12FG100
Best price
£227.46
Fs
34 Hz
Qts
0.32
Vas
53 L
BL
17.2 T·m
Xmax
10.3 mm
Sensitivity
89.9 dB
Power
1000 W
CelestionFTR12-3070C
£134.96 · 41% less, betterFs65 Hz +91%, worse
Qts0.32 –
Vas43.7 L −18%, better
BL18.6 T·m +8%
Xmax5.5 mm −47%, worse
Sensitivity97.3 dB +7.4, better
Beyma12MCS500
£135.89 · 40% less, betterFs57 Hz +68%, worse
Qts0.36 +12%, worse
Vas57 L +8%
BL17.6 T·m –
Xmax8 mm −22%, worse
Sensitivity96.5 dB +6.6, better
B&C12PLB100
£143.50 · 37% less, betterFs50 Hz +47%, worse
Qts0.37 +16%, worse
Vas47 L −11%, better
BL18.4 T·m +7%
Xmax9 mm −13%, worse
Sensitivity93.9 dB +4, better
Beyma12MC500
£152.19 · 33% less, betterFs57 Hz +68%, worse
Qts0.34 +6%
Vas57 L +8%
BL18.3 T·m +6%
Xmax8 mm −22%, worse
Sensitivity96.8 dB +6.9, better
B&C12FW88
£163.69 · 28% less, betterFs53 Hz +56%, worse
Qts0.33 +3%
Vas45.7 L −14%, better
BL19.5 T·m +13%, better
Xmax8 mm −22%, worse
Sensitivity94.9 dB +5, better
REDCATT12NPM
£169.68 · 25% less, betterFs49 Hz +44%, worse
Qts0.31 −3%
Vas63.6 L +20%, worse
BL17.3 T·m –
Xmax4.0 mm −61%, worse
Sensitivity95.7 dB +5.8, better
EminenceKAPPALITE 3012LF
£175.00 · 23% less, betterFs37 Hz +9%
Qts0.32 –
Vas106.7 L +101%, worse
BL16.7 T·m −3%
Xmax9.1 mm −12%, worse
Sensitivity94 dB +4.1, better
FaitalPRO12HP1010
£191.59 · 16% less, betterFs45 Hz +32%, worse
Qts0.34 +6%
Vas56.5 L +7%
BL19.8 T·m +15%, better
Xmax9.3 mm −10%, worse
Sensitivity93.7 dB +3.8, better
Precision DevicesPD.124NR1
£221.00 · 3% lessFs58 Hz +71%, worse
Qts0.35 +9%
Vas49 L −8%
BL19.2 T·m +11%, better
Xmax8.5 mm −17%, worse
Sensitivity96.2 dB +6.3, better
B&C12BG100
£246.44 · 8% more, worseFs39 Hz +15%, worse
Qts0.33 +3%
Vas41 L −23%, better
BL23 T·m +33%, better
Xmax10.5 mm –
Sensitivity90.4 dB +0.5
Eighteen Sound12NTLW2500
£246.92 · 9% more, worseFs52 Hz +53%, worse
Qts0.31 −3%
Vas52.7 L –
BL14.4 T·m −16%, worse
Xmax7.6 mm −26%, worse
Sensitivity95.7 dB +5.8, better
Eighteen Sound12LW1400
£260.72 · 15% more, worseFs45 Hz +32%, worse
Qts0.30 −6%
Vas55 L +4%
BL20 T·m +16%, better
Xmax8.3 mm −20%, worse
Sensitivity94 dB +4.1, better
Eighteen Sound12NW350
£276.22 · 21% more, worseFs54 Hz +59%, worse
Qts0.34 +6%
Vas46 L −13%, better
BL19.2 T·m +11%, better
Xmax8.3 mm −19%, worse
Sensitivity95.2 dB +5.3, better
Eighteen Sound12NTLW3500
£289.45 · 27% more, worseFs54 Hz +59%, worse
Qts0.33 +3%
Vas41 L −23%, better
BL16.3 T·m −5%
Xmax8.3 mm −19%, worse
Sensitivity94.8 dB +4.9, better
Dayton AudioRSS315HO-4
£296.24 · 30% more, worseFs26 Hz −23%, better
Qts0.31 −3%
Vas53.7 L –
BL20 T·m +16%, better
Xmax12.3 mm +19%, better
Sensitivity86.7 dB −3.2, worse
FaitalPRO12HX500
£392.16 · 72% more, worseFs55 Hz +62%, worse
Qts0.37 +16%, worse
Vas57.8 L +9%
BL17.4 T·m –
Xmax9.3 mm −10%, worse
Sensitivity95.9 dB +6, better
Oberton12B45V
No current priceFs48 Hz +41%, worse
Qts0.35 +11%, worse
Vas58.5 L +10%, worse
BL16.6 T·m −3%
Xmax10.5 mm –
Sensitivity94.4 dB +4.5, better
CelestionCF1230F
No current priceFs57 Hz +66%, worse
Qts0.32 –
Vas49.6 L −6%
BL18.3 T·m +6%
Xmax7.5 mm −27%, worse
Sensitivity96.2 dB +6.3, better
REDCATT125FPM
No current priceFs63 Hz +85%, worse
Qts0.31 −3%
Vas48.1 L −9%
BL17.2 T·m –
Xmax2.5 mm −75%, worse
Sensitivity97.6 dB +7.7, better
Oberton12HCX
No current priceFs53 Hz +55%, worse
Qts0.33 +4%
Vas55.5 L +5%
BL17.8 T·m +3%
Xmax5.3 mm −49%, worse
Sensitivity95.6 dB +5.7, better
Sica12 PNS 4
No current priceFs42 Hz +23%, worse
Qts0.31 −3%
Vas50.2 L −5%
BL22.3 T·m +29%, better
Xmax9.5 mm −8%
Sensitivity92.6 dB +2.7, better
CIARECSD124-22
No current priceFs34 Hz –
Qts0.30 −6%
Vas54 L –
BL18.2 T·m +6%
Xmax13 mm +26%, better
Sensitivity90.2 dB –
PRV Audio12MB2000FT
No current priceFs56 Hz +64%, worse
Qts0.32 –
Vas66.9 L +26%, worse
BL17.7 T·m –
Xmax6 mm −42%, worse
Sensitivity97.5 dB +7.6, better
MonacorSP-312CX
No current priceFs55 Hz +62%, worse
Qts0.33 +3%
Vas64 L +21%, worse
BL16.9 T·m –
Xmax3 mm −71%, worse
Sensitivity96.7 dB +6.8, better
MonacorFTR12-3070C/8
No current priceFs65 Hz +91%, worse
Qts0.32 –
Vas43.7 L −18%, better
BL18.6 T·m +8%
Xmax5.5 mm −47%, worse
Sensitivity97.3 dB +7.4, better
Oberton12CX
No current priceFs51 Hz +51%, worse
Qts0.35 +8%
Vas58.5 L +10%, worse
BL17.4 T·m –
Xmax5.3 mm −49%, worse
Sensitivity95.4 dB +5.5, better
P.Audio12BM-300B-V3
No current priceFs55 Hz +62%, worse
Qts0.34 +6%
Vas62.4 L +18%, worse
BL17.1 T·m –
Xmax3.9 mm −62%, worse
Sensitivity96.6 dB +6.7, better
P.Audio12BM-400B
No current priceFs55 Hz +62%, worse
Qts0.34 +6%
Vas62.4 L +18%, worse
BL17.1 T·m –
Xmax3.9 mm −62%, worse
Sensitivity96.6 dB +6.7, better
P.Audio12NT-88MB
No current priceFs55 Hz +62%, worse
Qts0.32 –
Vas49.1 L −7%
BL20.9 T·m +21%, better
Xmax5 mm −51%, worse
Sensitivity95.8 dB +5.9, better
FaneCOLOSSUS 12MB
No current priceFs55 Hz +62%, worse
Qts0.29 −11%, better
Vas56 L +6%
BL18.3 T·m +6%
Xmax5.5 mm −47%, worse
Sensitivity96.5 dB +6.6, better
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 | £227.46, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £227.46 | In stock | Visit shop at JP Leisure | |
Blue Aran | £249.41 | 9.7% above the lowest price | 1 in stock | Visit shop at Blue Aran |
Audio Video Parts Import VAT and duty may apply | £190.99 | Special order | Visit shop at Audio Video Parts |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£219.92 → £227.46Up 3.4% from £219.92
- 23 JunBlue Aran£249.62 → £249.41Down 0.1% from £249.62
- 5 JunBlue Aran£232.80 → £249.62Up 7.2% from £232.80