- Net volume
- 40L
- Tuning
- 70Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
12-inch LF driver · 12HPL series · 76 mm voice coil · 350 W
B&C 12HPL76 8Ω
8 Ω · 50–3500 Hz
£166.86
SteadyJP Leisure · In stock · All 6 offers
- Fs
- 49Hz
- Xmax
- 4mm
- SPL
- 98dB
- Pe
- 350W
- BL
- 17.3T·m
- Vd
- 209cm³
- Qts
- 0.25
- Vas
- 91L
Published graphs
B&C 12HPL76 is a 12-inch 8 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 49 Hz, Qts 0.25, Vas 91 L, Xmax 4 mm, sensitivity 98.2 dB, plus 209 cm³ Vd and 188 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 £136.34.
The published T/S values agree with each other
Thiele/Small
- Fs
- 49Hz
- Qts
- 0.25
- Qes
- 0.26
- Qms
- 2.5
- Vas
- 91L
- Re
- 6Ω
- Le
- 1.50mH
Motor and cone
- BL
- 17.3T·m
- Sd
- 522cm²
- Mms
- 43g
- Xmax
- 4mm
- Vd †
- 209cm³
- Voice coil
- 76mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 98.2dB
- Manufacturer sensitivity
- 99dB
- Power
- 350W
- Nominal power
- 350W
- Impedance
- 8Ω
- Min. impedance
- 6.7Ω
- Range
- 50–3500Hz
- EBP †
- 188 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 282mm
- Bolt circle
- 296mm
- Depth
- 144mm
- Weight
- 3.1kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 17.3T·m
- Fs
- 49Hz
- Le
- 1.50mH
- Re
- 6Ω
- Sd
- 522cm²
- Mms
- 43g
- Qes
- 0.26
- Qms
- 2.5
- Qts
- 0.25
- SPL
- 98.2dB
- Vas
- 91L
- Xmax
- 4mm
- Power
- 350W
- Impedance
- 8Ω
- Flux density
- 1.15T
- Sensitivity
- 99dB
- Low limit
- 50Hz
- Nominal power
- 350W
- Calculated sensitivity †
- 98.2dB
- High limit
- 3500Hz
- Manufacturer sensitivity
- 99dB
- Min. impedance
- 6.7Ω
- Voice coil
- 76mm
- Weight
- 3.1kg
- Diameter
- 315mm
- Depth
- 144mm
- Cutout
- 282mm
- Bolt circle
- 296mm
- Bl
- 17.3 Tm
- Fs
- 49 Hz
- Le
- 1.5 mH
- Re
- 6 Ω
- Sd
- 522 cm² (80.9 in²)
- Ebp
- 188 Hz
- Mms
- 43 g
- Qes
- 0.26
- Qms
- 2.5
- Qts
- 0.25
- Vas
- 91 dm³ (3.2 ft³)
- Η0
- 4.1 %
- Cone
- RCK012HPL768
- Xmax
- 4 mm
- Xvar
- 5.5 mm
- Depth
- 144 mm (5.7 in)
- Spider
- Single
- Cone shape
- Exponential
- Net weight
- 3.15 kg (6.94 lb)
- Pole design
- Straight Pole
- Sensitivity
- 99 dB
- Flux density
- 1.15 T
- Shipping box
- 360x360x200 mm (14.17x14.17x7.87 in)
- Winding depth
- 18 mm (0.68 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 50 Hz - 3500 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 4.05 kg (8.93 lb)
- Nominal diameter
- 320 mm (12 in)
- Overall diameter
- 315 mm (12.4 in)
- Winding material
- Aluminium
- Minimum impedance
- 6.7 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 10 mm (0.4 in)
- Recommended tuning
- 70 Hz
- Voice coil diameter
- 76 mm (3 in)
- Bolt circle diameter
- 296 mm (11.6 in)
- Recommended enclosure
- 40 dm³ (1.41 ft³)
- Woofer cone treatment
- None
- Baffle cutout diameter
- 282 mm (11.1 in)
- Nominal power handling
- 350 W
- Continuous power handling
- 700 W
- Flange and gasket thickness
- 13 mm (0.5 in)
B&C’s suggested box
From B&C’s 12HPL76 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 12HPL76. Clear differences are green when better and red when worse.
This driver12HPL76
Best price
£136.34
Fs
49 Hz
Qts
0.25
Vas
91 L
BL
17.3 T·m
Xmax
4 mm
Sensitivity
98.2 dB
Power
350 W
Dayton AudioPA310-8
£83.10 · 39% less, betterFs39 Hz −20%, better
Qts0.29 +16%, worse
Vas91.8 L –
BL18 T·m +4%
Xmax5 mm +25%, better
Sensitivity94.6 dB −3.6, worse
SB AudienceROSSO-12MW300
£106.55 · 22% less, betterFs48 Hz –
Qts0.27 +8%
Vas85.9 L −6%
BL17.4 T·m –
Xmax6.7 mm +67%, better
Sensitivity97.3 dB −0.9
EminenceKAPPA PRO-12A
£132.22 · 3% lessFs37 Hz −24%, better
Qts0.24 −4%
Vas121 L +33%, worse
BL17.3 T·m –
Xmax4.8 mm +20%, better
Sensitivity95.9 dB −2.3, worse
RCFMB12G301
£142.33 · 4% moreFs53 Hz +8%
Qts0.27 +8%
Vas72 L −21%, better
BL17 T·m –
Xmax6 mm +50%, better
Sensitivity97.9 dB –
Beyma12WR400
£143.71 · 5% more, worseFs42 Hz −14%, better
Qts0.27 +8%
Vas91 L –
BL18 T·m +4%
Xmax6.3 mm +57%, better
Sensitivity95.8 dB −2.4, worse
B&C12PLB76
£150.38 · 10% more, worseFs50 Hz –
Qts0.23 −8%
Vas75 L −18%, better
BL18.6 T·m +8%
Xmax5 mm +25%, better
Sensitivity97.9 dB –
EminenceKAPPA-12A
£152.07 · 12% more, worseFs45 Hz −8%
Qts0.27 +8%
Vas112.1 L +23%, worse
BL15.2 T·m −12%, worse
Xmax3.2 mm −20%, worse
Sensitivity97.6 dB −0.6
LavoceWAN123.00
£163.28 · 20% more, worseFs49 Hz –
Qts0.27 +8%
Vas68.8 L −24%, better
BL17.9 T·m +3%
Xmax6.9 mm +73%, better
Sensitivity96.6 dB −1.6
FaitalPRO12FH510
£163.54 · 20% more, worseFs45 Hz −8%
Qts0.24 −4%
Vas81.3 L −11%, better
BL18.9 T·m +9%
Xmax7.5 mm +88%, better
Sensitivity96.7 dB −1.5
Eighteen Sound12MB700
£173.19 · 27% more, worseFs46 Hz −6%
Qts0.25 –
Vas100 L +10%
BL22.1 T·m +28%, better
Xmax4.5 mm +13%, better
Sensitivity97.8 dB –
FaitalPRO12FH530
£176.57 · 30% more, worseFs45 Hz −8%
Qts0.26 +4%
Vas74.1 L −19%, better
BL18.9 T·m +9%
Xmax7.5 mm +88%, better
Sensitivity96 dB −2.2, worse
FaitalPRO12FH500
£180.28 · 32% more, worseFs45 Hz −8%
Qts0.25 –
Vas87.3 L −4%
BL17.5 T·m –
Xmax7.5 mm +88%, better
Sensitivity96.9 dB −1.3
RCFMB12N301
£183.23 · 34% more, worseFs54 Hz +10%, worse
Qts0.24 −4%
Vas71 L −22%, better
BL19 T·m +10%
Xmax6 mm +50%, better
Sensitivity98.4 dB –
Eighteen Sound12NMB420
£187.96 · 38% more, worseFs53 Hz +8%
Qts0.28 +12%, worse
Vas105 L +15%, worse
BL13.9 T·m −20%, worse
Xmax4 mm –
Sensitivity99.2 dB +1
BMS12N610
£210.18 · 54% more, worseFs47 Hz −4%
Qts0.24 −4%
Vas70 L −23%, better
BL21 T·m +21%, better
Xmax3.5 mm −13%, worse
Sensitivity96.7 dB −1.5
Eighteen Sound12NDA520
£230.40 · 69% more, worseFs50 Hz –
Qts0.27 +8%
Vas111 L +22%, worse
BL14.4 T·m −17%, worse
Xmax4 mm –
Sensitivity99 dB +0.8
Eighteen Sound12ND730
£230.40 · 69% more, worseFs45 Hz −8%
Qts0.23 −8%
Vas90 L –
BL19.2 T·m +11%, better
Xmax6.5 mm +63%, better
Sensitivity97.4 dB −0.8
Eighteen Sound12MB650
£231.14 · 70% more, worseFs48 Hz –
Qts0.23 −8%
Vas90 L –
BL19 T·m +10%
Xmax5.5 mm +38%, better
Sensitivity98.2 dB –
BMS12N620
£247.26 · 81% more, worseFs45 Hz −9%
Qts0.25 –
Vas72.7 L −20%, better
BL20.6 T·m +19%, better
Xmax5.5 mm +38%, better
Sensitivity96 dB −2.2, worse
BMS12N802
£271.01 · 99% more, worseFs43 Hz −12%, better
Qts0.24 −4%
Vas65 L −29%, better
BL22.3 T·m +29%, better
Xmax4.5 mm +13%, better
Sensitivity95.2 dB −3, worse
Beyma12CXA400FE
£337.46 · 148% more, worseFs42 Hz −14%, better
Qts0.25 –
Vas94 L +3%
BL19.8 T·m +14%, better
Xmax6 mm +50%, better
Sensitivity96.3 dB −1.9
Beyma12CXA400ND
£349.99 · 157% more, worseFs45 Hz −8%
Qts0.25 –
Vas88.5 L –
BL21.4 T·m +24%, better
Xmax6 mm +50%, better
Sensitivity96.9 dB −1.3
Oberton12L300
No current priceFs54 Hz +10%
Qts0.25 –
Vas79.6 L −12%, better
BL16.8 T·m −3%
Xmax3.3 mm −19%, worse
Sensitivity98.8 dB +0.6
Oberton12H4CX72
No current priceFs50 Hz –
Qts0.25 –
Vas74.7 L −18%, better
BL19.9 T·m +15%, better
Xmax4.5 mm +13%, better
Sensitivity97.6 dB −0.6
BMS12S302
No current priceFs45 Hz −8%
Qts0.25 –
Vas65 L −29%, better
BL15.7 T·m −10%
Xmax4.5 mm +13%, better
Sensitivity95.5 dB −2.7, worse
Oberton12B400
No current priceFs50 Hz –
Qts0.25 –
Vas74.7 L −18%, better
BL18.4 T·m +6%
Xmax5.3 mm +31%, better
Sensitivity97.8 dB –
LavoceCAN123.00T
No current priceFs46 Hz −6%
Qts0.22 −12%, better
Vas91 L –
BL18.5 T·m +7%
Xmax6 mm +50%, better
Sensitivity97.9 dB –
LavoceCAN123.00TH
No current priceFs46 Hz −6%
Qts0.22 −12%, better
Vas91 L –
BL18.5 T·m +7%
Xmax6 mm +50%, better
Sensitivity97.9 dB –
Oberton12B401
No current priceFs47 Hz −5%
Qts0.24 –
Vas69.6 L −24%, better
BL19.9 T·m +15%, better
Xmax6.8 mm +69%, better
Sensitivity96.5 dB −1.7
LavoceNBASS12-30
No current priceFs46 Hz −6%
Qts0.26 +4%
Vas68.6 L −25%, better
BL19.5 T·m +13%, better
Xmax6.6 mm +65%, better
Sensitivity96 dB −2.2, worse
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 55 ratings · Checked 13 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 | £166.86, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £166.86 | In stock | Visit shop at JP Leisure | |
Blue Aran approx 4 months | £179.39 | 7.5% above the lowest price | Ordered on Request (approx 4 months) | Visit shop at Blue Aran |
Audio Video Parts Import VAT and duty may apply | £136.34 | In stock | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £201.87 | 21% above the lowest price | 1 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 28 JunBlue Aran£115.00 → £179.39Up 56% from £115.00
- 23 JunJP Leisure£163.64 → £166.86Up 2.0% from £163.64
- 21 JunBlue Aran£179.39 → £115.00Down 36% from £179.39