LavoceWSF061.52
£26.27 · 80% less, betterFs91 Hz +7%
Qts0.34 −8%
Vas6.6 L +32%, worse
BL10.8 T·m −4%
Xmax3.8 mm −33%, worse
Sensitivity93.4 dB +2.5, better
6.5-inch LF driver · 6FHX series · 51 mm voice coil · 150 W
B&C 6FHX51 8Ω
8 Ω
£129.07
SteadyJP Leisure · In stock · All 3 offers
- Fs
- 85Hz
- Xmax
- 5.7mm
- SPL
- 91dB
- Pe
- 150W
- BL
- 11.3T·m
- Vd
- 75cm³
- Qts
- 0.37
- Vas
- 5L
Published graphs
B&C 6FHX51 is a 6.5-inch 8 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 85 Hz, Qts 0.37, Vas 5 L, Xmax 5.7 mm, sensitivity 90.9 dB, plus 75 cm³ Vd and 213 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 £129.07.
The published T/S values agree with each other
Thiele/Small
- Fs
- 85Hz
- Qts
- 0.37
- Qes
- 0.40
- Qms
- 7.8
- Vas
- 5L
- Re
- 5.5Ω
- Le
- 1mH
Motor and cone
- BL
- 11.3T·m
- Sd
- 132cm²
- Mms
- 16g
- Xmax
- 5.7mm
- Vd †
- 75cm³
- Voice coil
- 51mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 90.9dB
- Manufacturer sensitivity
- 93dB
- Power
- 150W
- Nominal power
- 150W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- EBP †
- 213 · Leans vented
Sensitivity shows 90.9 dB, calculated from the T/S values. B&C publishes 93.0 dB, 2.1 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
- 11.3T·m
- Fs
- 85Hz
- Le
- 1mH
- Re
- 5.5Ω
- Sd
- 132cm²
- Mms
- 16g
- Qes
- 0.40
- Qms
- 7.8
- Qts
- 0.37
- SPL
- 90.9dB
- Vas
- 5L
- Xmax
- 5.7mm
- Power
- 150W
- Impedance
- 8Ω
- Flux density
- 1.05T
- Sensitivity
- 93dB
- Nominal power
- 150W
- Calculated sensitivity †
- 90.9dB
- Manufacturer sensitivity
- 93dB
- Min. impedance
- 6.5Ω
- Voice coil
- 51mm
- Bl
- 11.3 Tm
- Fs
- 85 Hz
- Le
- 1 mH
- Re
- 5.5 Ω
- Sd
- 132 cm² (20.5 in²)
- Ebp
- 213 Hz
- Mms
- 16 g
- Qes
- 0.4
- Qms
- 7.8
- Qts
- 0.37
- Vas
- 5 dm³ (0.18 ft³)
- Η0
- 0.83 %
- Xvar
- 5.7 mm
- Sensitivity
- 93 dB
- Flux density
- 1.05 T
- Winding depth
- 13 mm (0.51 in)
- Former material
- Kapton
- Nominal diameter
- 170 mm (6.5 in)
- Winding material
- Copper
- Minimum impedance
- 6.5 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 6 mm (0.24 in)
- Voice coil diameter
- 51 mm (2 in)
- Woofer cone treatment
- WP Waterproof Front Side
- Nominal power handling
- 150 W
- Continuous power handling
- 300 W
HF · Specifications HF unit
- Le
- 0.10mH
- SPL
- 108.5dB
- Power
- 10W
- Impedance
- 8Ω
- Flux density
- 1.65T
- Sensitivity
- 108.5dB
- Nominal power
- 10W
- Manufacturer sensitivity
- 108.5dB
- Min. impedance
- 7Ω
- Voice coil
- 25mm
- Crossover
- 2500Hz
- Inductance
- 0.1 mH
- Sensitivity
- 108.5 dB
- Flux density
- 1.65 T
- Nominal diameter
- 170 mm (6.5 in)
- Winding material
- Aluminium
- Minimum impedance
- 7 Ω
- Nominal impedance
- 8 Ω
- Diaphragm material
- Polyester
- Voice coil diameter
- 25 mm (1 in)
- Recommended crossover
- 2.5 kHz
- Nominal power handling
- 10 W
- Continuous power handling
- 20 W
02
Compare
Same-size drivers, compared with the 6FHX51. Clear differences are green when better and red when worse.
This driver6FHX51
Best price
£129.07
Fs
85 Hz
Qts
0.37
Vas
5 L
BL
11.3 T·m
Xmax
5.7 mm
Sensitivity
90.9 dB
Power
150 W
FaitalPRO6FE400
£37.20 · 71% less, betterFs100 Hz +18%, worse
Qts0.36 –
Vas5 L –
BL10.5 T·m −7%
Xmax4.8 mm −16%, worse
Sensitivity93 dB +2.1, better
Beyma6CMV2
£40.92 · 68% less, betterFs90 Hz +6%
Qts0.34 −8%
Vas6.5 L +30%, worse
BL9.4 T·m −17%, worse
Xmax5.7 mm –
Sensitivity92.3 dB +1.4
Sica6 H 1.5 CP
£55.94 · 57% less, betterFs46 Hz −46%, better
Qts0.35 −5%
Vas16.6 L +232%, worse
BL8.4 T·m −26%, worse
Xmax6 mm +5%
Sensitivity88.3 dB −2.6, worse
CelestionTFX0615
£59.33 · 54% less, betterFs97 Hz +14%, worse
Qts0.38 –
Vas7.2 L +44%, worse
BL9.8 T·m −13%, worse
Xmax5.3 mm −8%
Sensitivity93.8 dB +2.9, better
CIAREFXI6
£63.66 · 51% less, betterFs70 Hz −18%, better
Qts0.33 −11%, better
Vas8 L +60%, worse
BL10.6 T·m −6%
Xmax5.3 mm −7%
Sensitivity90.7 dB –
PRV Audio6MB550FT
£67.72 · 48% less, betterFs85 Hz –
Qts0.34 −8%
Vas8.2 L +65%, worse
BL9.8 T·m −14%, worse
Xmax5.4 mm −5%
Sensitivity93.3 dB +2.4, better
FaitalPRO6PR122
£84.13 · 35% less, betterFs110 Hz +29%, worse
Qts0.39 +5%
Vas4.7 L −6%
BL10.5 T·m −7%
Xmax2.8 mm −52%, worse
Sensitivity93.6 dB +2.7, better
FaitalPRO6PR160
£85.36 · 34% less, betterFs90 Hz +6%
Qts0.33 −11%, better
Vas5.9 L +18%, worse
BL11 T·m –
Xmax5 mm −12%, worse
Sensitivity92.9 dB +2, better
FaitalPRO6PR150
£85.46 · 34% less, betterFs100 Hz +18%, worse
Qts0.34 −8%
Vas4.9 L –
BL11.6 T·m –
Xmax2.6 mm −54%, worse
Sensitivity93.5 dB +2.6, better
B&C6PS44
£86.62 · 33% less, betterFs71 Hz −16%, better
Qts0.33 −11%, better
Vas7 L +40%, worse
BL11 T·m –
Xmax4.5 mm −21%, worse
Sensitivity90.7 dB –
Beyma6G40ND
£97.57 · 24% less, betterFs100 Hz +18%, worse
Qts0.38 –
Vas3.7 L −26%, better
BL10.6 T·m −6%
Xmax3 mm −47%, worse
Sensitivity91.2 dB –
B&C6NDL38
£98.16 · 24% less, betterFs72 Hz −15%, better
Qts0.42 +14%, worse
Vas7 L +40%, worse
BL9.5 T·m −16%, worse
Xmax6 mm +5%
Sensitivity89.8 dB −1.1
WavecorWF182BD12
£119.01 · 8% less, betterFs30 Hz −65%, better
Qts0.37 –
Vas32.4 L +548%, worse
BL8.2 T·m −27%, worse
Xmax5.5 mm −4%
Sensitivity85.4 dB −5.5, worse
WavecorSW178WA01
£122.32 · 5% less, betterFs38 Hz −55%, better
Qts0.36 –
Vas12.2 L +144%, worse
BL12 T·m +6%
Xmax5 mm −12%, worse
Sensitivity84.6 dB −6.3, worse
FaitalPRO6HX150
£155.14 · 20% more, worseFs88 Hz +4%
Qts0.34 −8%
Vas6.3 L +26%, worse
BL12 T·m +6%
Xmax4.3 mm −24%, worse
Sensitivity92.9 dB +2, better
Eighteen Sound6NTLW2000
£159.58 · 24% more, worseFs86 Hz –
Qts0.35 −5%
Vas4.6 L −8%
BL11.6 T·m –
Xmax4.9 mm −14%, worse
Sensitivity90.9 dB –
B&C6HCX51
£175.82 · 36% more, worseFs89 Hz +5%
Qts0.38 –
Vas5 L –
BL10.9 T·m −4%
Xmax5.5 mm −4%
Sensitivity91.5 dB +0.6
WavecorWF182BD20
£190.99 · 48% more, worseFs30 Hz −65%, better
Qts0.37 –
Vas32.4 L +548%, worse
BL8.2 T·m −27%, worse
Xmax5.5 mm −4%
Sensitivity85.4 dB −5.5, worse
HiViD5.8B
No current priceFs52 Hz −39%, better
Qts0.37 –
Vas5.6 L +12%, worse
BL9 T·m −20%, worse
Xmax4.8 mm −16%, worse
Sensitivity84.8 dB −6.1, worse
Oberton6NM150
No current priceFs124 Hz +46%, worse
Qts0.38 –
Vas4 L −20%, better
BL11.6 T·m –
Xmax2.3 mm −61%, worse
Sensitivity94.8 dB +3.9, better
B&C6CLA51
No current priceFs96 Hz +13%, worse
Qts0.32 −14%, better
Vas4.3 L −14%, better
BL11.4 T·m –
Xmax4.8 mm −16%, worse
Sensitivity92.3 dB +1.4
MonacorTFX0615/8
No current priceFs97 Hz +14%, worse
Qts0.38 –
Vas7.2 L +44%, worse
BL9.8 T·m −13%, worse
Xmax5.3 mm −8%
Sensitivity93.9 dB +3, better
Oberton6NCX
No current priceFs89 Hz +5%
Qts0.36 –
Vas7.0 L +40%, worse
BL9 T·m −20%, worse
Xmax4.8 mm −17%, worse
Sensitivity93.1 dB +2.2, better
PurifiPTT6.5W08-NAA-08
No current priceFs35 Hz −59%, better
Qts0.35 −5%
Vas23.8 L +376%, worse
BL9.4 T·m −17%, worse
Xmax5.9 mm +4%
Sensitivity86.4 dB −4.5, worse
LavoceWSN061.52
No current priceFs90 Hz +6%
Qts0.39 +5%
Vas5.9 L +18%, worse
BL9.9 T·m −13%, worse
Xmax3.8 mm −33%, worse
Sensitivity92.1 dB +1.2
PRV Audio6MB550FT-4
No current priceFs86 Hz –
Qts0.34 −8%
Vas6.6 L +32%, worse
BL8.6 T·m −24%, worse
Xmax5.4 mm −5%
Sensitivity92.9 dB +2, better
CelestionNTR06-1705D
No current priceFs49 Hz −42%, better
Qts0.38 –
Vas21.4 L +328%, worse
BL8.2 T·m −28%, worse
Xmax6 mm +5%
Sensitivity90 dB −0.9
VoltCX160.1
No current priceFs40 Hz −53%, better
Qts0.35 −5%
Vas22.6 L +352%, worse
BL9.5 T·m −16%, worse
Xmax6 mm +5%
Sensitivity88.1 dB −2.8, worse
BMS6CN160
No current priceFs79 Hz −7%
Qts0.34 −8%
Vas8.9 L +78%, worse
BL10 T·m −12%, worse
Xmax5 mm −12%, worse
Sensitivity92.7 dB +1.8
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 | £129.07, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £129.07 | In stock | Visit shop at JP Leisure | |
Blue Aran | £135.25 | 4.8% above the lowest price | 8 in stock | Visit shop at Blue Aran |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£120.61 → £129.07Up 7.0% from £120.61
- 23 JunBlue Aran£135.31 → £135.25Down <0.1% from £135.31
- 5 JunBlue Aran£81.00 → £135.31Up 67% from £81.00