12-inch LF driver · 12CLX series · 64 mm voice coil · 250 W
B&C 12CLX64 8Ω
8 Ω
£236.92
SteadyJP Leisure · In stock · All 4 offers
- Fs
- 54Hz
- Xmax
- 5.5mm
- SPL
- 95dB
- Pe
- 250W
- BL
- 11.9T·m
- Vd
- 287cm³
- Qts
- 0.57
- Vas
- 74L
Published graphs
B&C 12CLX64 is a 12-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 54 Hz, Qts 0.57, Vas 74 L, Xmax 5.5 mm, sensitivity 94.8 dB, plus 287 cm³ Vd and 89 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 £236.92.
The published T/S values agree with each other
Thiele/Small
- Fs
- 54Hz
- Qts
- 0.57
- Qes
- 0.61
- Qms
- 10.1
- Vas
- 74L
- Re
- 5.6Ω
- Le
- 0.54mH
Motor and cone
- BL
- 11.9T·m
- Sd
- 522cm²
- Mms
- 45g
- Xmax
- 5.5mm
- Vd †
- 287cm³
- Voice coil
- 64mm
- Flux density
- 0.90T
Power and response
- Sensitivity †
- 94.8dB
- Manufacturer sensitivity
- 96dB
- Power
- 250W
- Nominal power
- 250W
- Impedance
- 8Ω
- Min. impedance
- 6.6Ω
- EBP †
- 89 · Sealed or vented
Sensitivity shows 94.8 dB, calculated from the T/S values. B&C publishes 96.0 dB, 1.2 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 · Specifications LF unit
- BL
- 11.9T·m
- Fs
- 54Hz
- Le
- 0.54mH
- Re
- 5.6Ω
- Sd
- 522cm²
- Mms
- 45g
- Qes
- 0.61
- Qms
- 10.1
- Qts
- 0.57
- SPL
- 94.8dB
- Vas
- 74L
- Xmax
- 5.5mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 0.90T
- Sensitivity
- 96dB
- Nominal power
- 250W
- Calculated sensitivity †
- 94.8dB
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 6.6Ω
- Voice coil
- 64mm
- Bl
- 11.86 Tm
- Fs
- 54 Hz
- Le
- 0.54 mH
- Re
- 5.6 Ω
- Sd
- 522 cm² (80.91 in²)
- Ebp
- 89 Hz
- Mms
- 45.3 g
- Qes
- 0.61
- Qms
- 10.1
- Qts
- 0.57
- Vas
- 74 dm³ (2.61 ft³)
- Η0
- 1.82 %
- Xvar
- 5.5 mm
- Sensitivity
- 96 dB
- Flux density
- 0.9 T
- Winding depth
- 14.5 mm (0.57 in)
- Former material
- Kapton
- Nominal diameter
- 320 mm (12 in)
- Winding material
- Copper
- Minimum impedance
- 6.6 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 8 mm (0.31 in)
- Voice coil diameter
- 64 mm (2.5 in)
- Woofer cone treatment
- WP Waterproof Front Side
- Nominal power handling
- 250 W
- Continuous power handling
- 500 W
HF · Specifications HF unit
- Le
- 0.14mH
- SPL
- 106dB
- Power
- 70W
- Impedance
- 8Ω
- Flux density
- 1.60T
- Sensitivity
- 106dB
- Nominal power
- 70W
- Manufacturer sensitivity
- 106dB
- Min. impedance
- 7.8Ω
- Voice coil
- 51mm
- Crossover
- 1200Hz
- Inductance
- 0.14 mH
- Sensitivity
- 106 dB
- Flux density
- 1.6 T
- Nominal diameter
- 320 mm (12 in)
- Winding material
- Aluminum
- Minimum impedance
- 7.8 Ω
- Nominal impedance
- 8 Ω
- Diaphragm material
- HT Polymer
- Voice coil diameter
- 51 mm (2 in)
- Recommended crossover
- 1.2 kHz
- Nominal power handling
- 70 W
- Continuous power handling
- 140 W
B&C’s design
From the maker, with plans to download
03
Compare
Same-size drivers, compared with the 12CLX64. Clear differences are green when better and red when worse.
This driver12CLX64
Best price
£236.92
Fs
54 Hz
Qts
0.57
Vas
74 L
BL
11.9 T·m
Xmax
5.5 mm
Sensitivity
94.8 dB
Power
250 W
SB AudienceBIANCO-12OB150-01
£55.90 · 76% less, betterFs44 Hz −19%, better
Qts0.63 +11%, worse
Vas103.8 L +40%, worse
BL12.2 T·m –
Xmax6.8 mm +23%, better
Sensitivity93.1 dB −1.7
FaitalPRO12FE400
£59.33 · 75% less, betterFs55 Hz –
Qts0.57 –
Vas73.6 L –
BL11.5 T·m −3%
Xmax5.4 mm –
Sensitivity94.9 dB –
PeerlessFSL-1220R02-08
£59.63 · 75% less, betterFs62 Hz +15%, worse
Qts0.55 −4%
Vas61.1 L −17%, better
BL13.3 T·m +12%, better
Xmax5.1 mm −8%
Sensitivity96 dB +1.2
FaitalPRO12FE300
£64.00 · 73% less, betterFs47 Hz −13%, better
Qts0.51 −11%, better
Vas83.7 L +13%, worse
BL12.5 T·m +5%
Xmax5.1 mm −8%
Sensitivity94.2 dB −0.6
PRV Audio12W800A
£67.72 · 71% less, betterFs50 Hz −8%
Qts0.47 −18%, better
Vas93.9 L +27%, worse
BL12.7 T·m +7%
Xmax5.7 mm +4%
Sensitivity95.8 dB +1
Beyma12CMV3
£75.00 · 68% less, betterFs52 Hz −4%
Qts0.55 −4%
Vas85 L +15%, worse
BL12.3 T·m +4%
Xmax7 mm +27%, better
Sensitivity95.2 dB –
£77.00 · 67% less, better
Fs50 Hz −7%
Qts0.64 +12%, worse
Vas78.1 L +5%
BL13 T·m +10%
Xmax3.5 mm −36%, worse
Sensitivity93.3 dB −1.5
CelestionTRUVOX 1225
£89.64 · 62% less, betterFs60 Hz +12%, worse
Qts0.62 +9%
Vas54.1 L −27%, better
BL13.5 T·m +14%, better
Xmax4.8 mm −14%, worse
Sensitivity94.4 dB –
CIAREFXI12
£97.61 · 59% less, betterFs55 Hz –
Qts0.44 −23%, better
Vas70 L −5%
BL13.9 T·m +17%, better
Xmax5 mm −9%
Sensitivity95.8 dB +1
EminenceDELTA-12LFA
£105.00 · 56% less, betterFs51 Hz −6%
Qts0.47 −18%, better
Vas67.9 L −8%
BL14.1 T·m +19%, better
Xmax4.8 mm −13%, worse
Sensitivity94.5 dB –
EminenceLEGEND BP 122
£120.00 · 49% less, betterFs35 Hz −35%, better
Qts0.54 −5%
Vas157.4 L +113%, worse
BL10.6 T·m −11%, worse
Xmax6.2 mm +13%, better
Sensitivity92.8 dB −2, worse
EminenceDELTA-12LFC
£129.48 · 45% less, betterFs52 Hz −4%
Qts0.44 −23%, better
Vas63.7 L −14%, better
BL10.9 T·m −8%
Xmax4.8 mm −13%, worse
Sensitivity94.8 dB –
EminenceBASSLITE S2012
£146.00 · 38% less, betterFs48 Hz −11%, better
Qts0.48 −16%, better
Vas90.6 L +22%, worse
BL11.7 T·m –
Xmax5.2 mm −5%
Sensitivity94.8 dB –
CIARECMI320ND
£150.11 · 37% less, betterFs53 Hz –
Qts0.43 −25%, better
Vas70 L −5%
BL10.6 T·m −11%, worse
Xmax5 mm −9%
Sensitivity95.8 dB +1
SB AudienceROSSO-12CX350
£254.60 · 7% more, worseFs49 Hz −9%
Qts0.49 −14%, better
Vas90.4 L +22%, worse
BL12.1 T·m –
Xmax8.2 mm +49%, better
Sensitivity95.1 dB –
WavecorSW312WA06
£443.51 · 87% more, worseFs29 Hz −46%, better
Qts0.57 –
Vas61 L −18%, better
BL18.4 T·m +55%, better
Xmax11.5 mm +109%, better
Sensitivity86 dB −8.8, worse
EminenceDELTALITE 2512
No current priceFs53 Hz –
Qts0.52 −9%
Vas67.4 L −9%
BL11.6 T·m –
Xmax4.9 mm −11%, worse
Sensitivity94 dB −0.8
CelestionTF1230
No current priceFs59 Hz +9%
Qts0.52 −10%
Vas51.1 L −31%, better
BL13.0 T·m +9%
Xmax5 mm −9%
Sensitivity94.1 dB −0.7
CelestionTF1218
No current priceFs59 Hz +9%
Qts0.52 −9%
Vas83.0 L +12%, worse
BL11.2 T·m −5%
Xmax2 mm −64%, worse
Sensitivity96.5 dB +1.7
EminenceGUIT-FIDDLE
No current priceFs82 Hz +52%, worse
Qts0.56 –
Vas57.8 L −22%, better
BL13.1 T·m +11%, better
Xmax0.8 mm −86%, worse
Sensitivity99.4 dB +4.6, better
No current price
Fs50 Hz −7%
Qts0.51 −11%, better
Vas66 L −11%, better
BL16.4 T·m +38%, better
Xmax5.5 mm –
Sensitivity94 dB −0.8
JensenJN12-80TRS-8
No current priceFs72 Hz +33%, worse
Qts0.55 −4%
Vas56.5 L −24%, better
BL12.2 T·m –
Xmax1 mm −82%, worse
Sensitivity96.7 dB +1.9
HiViSS12
No current priceFs33 Hz −39%, better
Qts0.55 −4%
Vas105.9 L +43%, worse
BL10.7 T·m −10%
Xmax7.3 mm +33%, better
Sensitivity90 dB −4.8, worse
REDCATT121FIND
No current priceFs63 Hz +17%, worse
Qts0.60 +5%
Vas49.8 L −33%, better
BL12.9 T·m +9%
Xmax3.8 mm −32%, worse
Sensitivity94.9 dB –
EminenceGA-SC64
No current priceFs88 Hz +63%, worse
Qts0.58 –
Vas45.0 L −39%, better
BL13.8 T·m +16%, better
Xmax1.2 mm −78%, worse
Sensitivity99.1 dB +4.3, better
LavoceFBASS12-20
No current priceFs53 Hz –
Qts0.46 −19%, better
Vas75.4 L –
BL13.3 T·m +12%, better
Xmax4.3 mm −22%, worse
Sensitivity95.5 dB +0.7
WavecorSW312WA05
No current priceFs29 Hz −46%, better
Qts0.57 –
Vas61 L −18%, better
BL18.4 T·m +55%, better
Xmax11.5 mm +109%, better
Sensitivity86 dB −8.8, worse
LavoceWSF121.70G
No current priceFs82 Hz +52%, worse
Qts0.59 +4%
Vas41 L −45%, better
BL13.6 T·m +15%, better
Xmax2.7 mm −51%, worse
Sensitivity97.6 dB +2.8, better
Sica12 C 2 CP
No current priceFs58 Hz +8%
Qts0.45 −21%, better
Vas74.3 L –
BL13.7 T·m +16%, better
Xmax4.5 mm −18%, worse
Sensitivity96.8 dB +2, better
JensenBS12N250A-8
No current priceFs47 Hz −13%, better
Qts0.43 −25%, better
Vas81.3 L +10%
BL14.4 T·m +21%, better
Xmax5.5 mm –
Sensitivity94.8 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 Express5.0 out of 51 rating · Checked 7 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 | £236.92, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £236.92 | In stock | Visit shop at JP Leisure | |
Blue Aran 5-7 weeks | £260.38 | 9.9% above the lowest price | 13 in stock | Visit shop at Blue Aran |
Parts Express Import VAT and duty may apply | £291.10 | 23% above the lowest price | 2 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£230.62 → £236.92Up 2.7% from £230.62
- 23 JunBlue Aran£260.84 → £260.38Down 0.2% from £260.84
- 5 JunBlue Aran£244.80 → £260.84Up 6.6% from £244.80