- Net volume
- 80L
- Tuning
- 50Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 15FW series · 76 mm voice coil · 500 W
B&C 15FW76 8Ω
8 Ω · 40–2000 Hz
£181.02
SteadyJP Leisure · In stock · All 6 offers
- Fs
- 40Hz
- Xmax
- 7mm
- SPL
- 98dB
- Pe
- 500W
- BL
- 26.2T·m
- Vd
- 599cm³
- Qts
- 0.21
- Vas
- 138L
Published graphs
B&C 15FW76 is a 15-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 40 Hz, Qts 0.21, Vas 138 L, Xmax 7 mm, sensitivity 98.1 dB, plus 599 cm³ Vd and 182 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 £180.80.
The published T/S values agree with each other
Thiele/Small
- Fs
- 40Hz
- Qts
- 0.21
- Qes
- 0.22
- Qms
- 5.1
- Vas
- 138L
- Re
- 5.1Ω
- Le
- 1.40mH
Motor and cone
- BL
- 26.2T·m
- Sd
- 855cm²
- Mms
- 117g
- Xmax
- 7mm
- Vd †
- 599cm³
- Voice coil
- 76mm
- Flux density
- 1.25T
Power and response
- Sensitivity †
- 98.1dB
- Manufacturer sensitivity
- 100dB
- Power
- 500W
- Nominal power
- 500W
- Impedance
- 8Ω
- Min. impedance
- 6.4Ω
- Range
- 40–2000Hz
- EBP †
- 182 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Depth
- 177mm
- Weight
- 9.3kg
Sensitivity shows 98.1 dB, calculated from the T/S values. B&C publishes 100.0 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 26.2T·m
- Fs
- 40Hz
- Le
- 1.40mH
- Re
- 5.1Ω
- Sd
- 855cm²
- Mms
- 117g
- Qes
- 0.22
- Qms
- 5.1
- Qts
- 0.21
- SPL
- 98.1dB
- Vas
- 138L
- Xmax
- 7mm
- Power
- 500W
- Impedance
- 8Ω
- Flux density
- 1.25T
- Sensitivity
- 100dB
- Low limit
- 40Hz
- Nominal power
- 500W
- Calculated sensitivity †
- 98.1dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 100dB
- Min. impedance
- 6.4Ω
- Voice coil
- 76mm
- Weight
- 9.3kg
- Diameter
- 393mm
- Depth
- 177mm
- Cutout
- 354mm
- Bolt circle
- 374mm
- Bl
- 26.2 Tm
- Fs
- 40 Hz
- Le
- 1.4 mH
- Re
- 5.1 Ω
- Sd
- 855 cm² (132.5 in²)
- Ebp
- 182 Hz
- Mms
- 117 g
- Qes
- 0.22
- Qms
- 5.1
- Qts
- 0.21
- Vas
- 138 dm³ (4.9 ft³)
- Η0
- 3.9 %
- Cone
- RCK15FW768
- Xmax
- 7 mm
- Xvar
- 8 mm
- Depth
- 177 mm (6.97 in)
- Spider
- Double Silicone
- Cone shape
- Exponential
- Net weight
- 9.3 kg (20.5 lb)
- Pole design
- T-Pole
- Sensitivity
- 100 dB
- Flux density
- 1.25 T
- Shipping box
- 425x425x224 mm (16.73x16.73x8.82 in)
- Winding depth
- 19 mm (0.75 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 40 Hz - 2000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 10.6 kg (23.37 lb)
- Nominal diameter
- 380 mm (15 in)
- Overall diameter
- 393 mm (15.5 in)
- Winding material
- Copper
- Minimum impedance
- 6.4 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 11 mm (0.43 in)
- Recommended tuning
- 50 Hz
- Voice coil diameter
- 76 mm (3 in)
- Bolt circle diameter
- 374 mm (14.7 in)
- Recommended enclosure
- 80 dm³ (2.82 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 354 mm (13.9 in)
- Nominal power handling
- 500 W
- Continuous power handling
- 1000 W
- Flange and gasket thickness
- 14 mm (0.55 in)
- Air volume occupied by driver
- 5.5 dm³ (0.19 ft³)
B&C’s suggested box
From B&C’s 15FW76 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15FW76. Clear differences are green when better and red when worse.
This driver15FW76
Best price
£180.80
Fs
40 Hz
Qts
0.21
Vas
138 L
BL
26.2 T·m
Xmax
7 mm
Sensitivity
98.1 dB
Power
500 W
B&C15CL76
£126.74 · 30% less, betterFs42 Hz +5%
Qts0.25 +19%, worse
Vas140 L –
BL19.1 T·m −27%, worse
Xmax7 mm –
Sensitivity97.9 dB –
B&C15NDL76
£181.65 · Same priceFs37 Hz −8%
Qts0.22 +5%
Vas195 L +41%, worse
BL22.5 T·m −14%, worse
Xmax7 mm –
Sensitivity98.2 dB –
Eighteen Sound15W930
£193.05 · 7% more, worseFs33 Hz −18%, better
Qts0.22 +5%
Vas240 L +74%, worse
BL22.1 T·m −16%, worse
Xmax7.5 mm +7%
Sensitivity97.8 dB –
B&C15NW76
£233.82 · 29% more, worseFs42 Hz +5%
Qts0.22 +5%
Vas130 L −6%
BL25.5 T·m –
Xmax8 mm +14%, better
Sensitivity98.2 dB –
B&C15NW100
£252.95 · 40% more, worseFs33 Hz −18%, better
Qts0.22 +5%
Vas139 L –
BL28 T·m +7%
Xmax9 mm +29%, better
Sensitivity95.4 dB −2.7, worse
Eighteen Sound15ND930
£266.78 · 48% more, worseFs36 Hz −10%, better
Qts0.22 +5%
Vas206 L +49%, worse
BL23.8 T·m −9%
Xmax7.5 mm +7%
Sensitivity98.2 dB –
Eighteen Sound15NMB1000
£285.89 · 58% more, worseFs46 Hz +15%, worse
Qts0.24 +14%, worse
Vas124 L −10%, better
BL25.2 T·m −4%
Xmax6.5 mm −7%
Sensitivity99 dB +0.9
RCFMB15N351
£299.00 · 65% more, worseFs42 Hz +5%
Qts0.22 +5%
Vas191 L +38%, worse
BL22.5 T·m −14%, worse
Xmax6 mm −14%, worse
Sensitivity99.7 dB +1.6
Beyma14MLEX1000ND
£301.09 · 67% more, worseFs47 Hz +18%, worse
Qts0.22 +5%
Vas75 L −46%, better
BL26.5 T·m –
Xmax11 mm +57%, better
Sensitivity97.3 dB −0.8
Beyma15P80ND
£331.00 · 83% more, worseFs39 Hz –
Qts0.21 –
Vas184 L +33%, worse
BL23.8 T·m −9%
Xmax7.5 mm +7%
Sensitivity99 dB +0.9
Beyma15MLEX1000ND
£333.33 · 84% more, worseFs38 Hz −5%
Qts0.21 –
Vas167 L +21%, worse
BL26 T·m –
Xmax11 mm +57%, better
Sensitivity98.4 dB –
RCFLF15N401
£339.00 · 88% more, worseFs34 Hz −15%, better
Qts0.22 +5%
Vas160 L +16%, worse
BL27.8 T·m +6%
Xmax9 mm +29%, better
Sensitivity96.4 dB −1.7
Oberton15XL600
No current priceFs41 Hz –
Qts0.22 –
Vas150.3 L +9%
BL24.7 T·m −6%
Xmax5.3 mm −25%, worse
Sensitivity98.7 dB +0.6
Oberton15XL601
No current priceFs41 Hz –
Qts0.22 –
Vas150.3 L +9%
BL24.7 T·m −6%
Xmax5.3 mm −25%, worse
Sensitivity98.7 dB +0.6
Oberton15PD600
No current priceFs38 Hz −4%
Qts0.23 +9%
Vas133.3 L −3%
BL28.7 T·m +10%
Xmax8.5 mm +21%, better
Sensitivity97.1 dB −1
Oberton15PD601
No current priceFs38 Hz −4%
Qts0.23 +9%
Vas133.3 L −3%
BL28.7 T·m +10%
Xmax8.5 mm +21%, better
Sensitivity97.1 dB −1
Precision DevicesPD.153C001
No current priceFs38 Hz −5%
Qts0.22 +6%
Vas196 L +42%, worse
BL24.2 T·m −8%
Xmax7.7 mm +10%, better
Sensitivity98.7 dB +0.6
Oberton15MB601
No current priceFs41 Hz –
Qts0.18 −12%, better
Vas139.0 L –
BL27.1 T·m +3%
Xmax5.5 mm −21%, worse
Sensitivity98.9 dB +0.8
Precision DevicesPD.155NR1
No current priceFs37 Hz −8%
Qts0.23 +9%
Vas140 L –
BL28.6 T·m +9%
Xmax12 mm +71%, better
Sensitivity96.8 dB −1.3
Oberton15NB451
No current priceFs40 Hz –
Qts0.26 +22%, worse
Vas145.2 L +5%
BL22.9 T·m −13%, worse
Xmax7 mm –
Sensitivity97.4 dB −0.7
Oberton15NB500
No current priceFs43 Hz +7%
Qts0.26 +21%, worse
Vas121.5 L −12%, better
BL24.3 T·m −7%
Xmax7.3 mm +4%
Sensitivity97.7 dB –
No photo
PHL Audio6031M
No current priceFs39 Hz –
Qts0.23 +10%
Vas124 L −10%, better
BL29 T·m +11%, better
Xmax8.5 mm +21%, better
Sensitivity96.7 dB −1.4
BMS15S430V2
No current priceFs40 Hz –
Qts0.26 +24%, worse
Vas135 L –
BL25.0 T·m −5%
Xmax7.5 mm +7%
Sensitivity97 dB −1.1
Precision DevicesPD.153ER/2
No current priceFs40 Hz –
Qts0.21 –
Vas218.8 L +59%, worse
BL22.4 T·m −14%, worse
Xmax5.7 mm −19%, worse
Sensitivity100.1 dB +2, better
RCFMB15N405
No current priceFs46 Hz +15%, worse
Qts0.27 +29%, worse
Vas124 L −10%, better
BL23.5 T·m −10%, worse
Xmax7 mm –
Sensitivity98.4 dB –
No photo
PHL Audio6121M-20
No current priceFs39 Hz –
Qts0.24 +14%, worse
Vas119.7 L −13%, better
BL29 T·m +11%, better
Xmax8.5 mm +21%, better
Sensitivity96.6 dB −1.5
Oberton15B500
No current priceFs38 Hz −4%
Qts0.27 +28%, worse
Vas145.8 L +6%
BL22.9 T·m −13%, worse
Xmax7.3 mm +4%
Sensitivity96.8 dB −1.3
Sica15 F 4 CP
No current priceFs46 Hz +16%, worse
Qts0.27 +29%, worse
Vas97 L −30%, better
BL26 T·m –
Xmax7 mm –
Sensitivity97.4 dB −0.7
Oberton15NMB600
No current priceFs43 Hz +8%
Qts0.17 −17%, better
Vas145.2 L +5%
BL27.4 T·m +5%
Xmax5.3 mm −25%, worse
Sensitivity100.2 dB +2.1, better
Oberton15NMB601
No current priceFs43 Hz +8%
Qts0.17 −17%, better
Vas145.2 L +5%
BL27.4 T·m +5%
Xmax5.3 mm −25%, worse
Sensitivity100.2 dB +2.1, 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 | £181.02, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £181.02 | In stock | Visit shop at JP Leisure | |
Blue Aran 3-5 months | £195.53 | 8.0% above the lowest price | Usually available in 3-5 months | Visit shop at Blue Aran |
Audio Video Parts Import VAT and duty may apply | £147.81 | Special order | Visit shop at Audio Video Parts | |
Parts Express Import VAT and duty may apply | £222.81 | 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£177.04 → £181.02Up 2.2% from £177.04
- 23 JunBlue Aran£196.09 → £195.53Down 0.3% from £196.09
- 5 JunBlue Aran£184.68 → £196.09Up 6.2% from £184.68