LavoceMAF082.00
£89.64 · 43% less, betterFs85 Hz +25%, worse
Qts0.20 −9%
Vas11.3 L −19%, better
BL17.2 T·m −25%, worse
Xmax2.6 mm −63%, worse
Sensitivity97 dB +2.2, better
8-inch LF driver · 8NW series · 51 mm voice coil · 200 W
B&C 8NW51 16Ω
70–3000 Hz
£156.58
SteadyJP Leisure · In stock · All 5 offers
- Fs
- 68Hz
- Xmax
- 7mm
- SPL
- 95dB
- Pe
- 200W
- BL
- 23T·m
- Vd
- 154cm³
- Qts
- 0.22
- Vas
- 14L
Published graphs
B&C 8NW51 is an 8-inch 16 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 68 Hz, Qts 0.22, Vas 14 L, Xmax 7 mm, sensitivity 94.8 dB, plus 154 cm³ Vd and 296 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 £156.58.
The published T/S values agree with each other
Thiele/Small
- Fs
- 68Hz
- Qts
- 0.22
- Qes
- 0.23
- Qms
- 6.3
- Vas
- 14L
- Re
- 10.7Ω
- Le
- 0.40mH
Motor and cone
- BL
- 23T·m
- Sd
- 220cm²
- Mms
- 27g
- Xmax
- 7mm
- Vd †
- 154cm³
- Voice coil
- 51mm
- Flux density
- 1.30T
Power and response
- Sensitivity †
- 94.8dB
- Manufacturer sensitivity
- 97dB
- Power
- 200W
- Nominal power
- 200W
- Impedance
- 16Ω
- Min. impedance
- 14Ω
- Range
- 70–3000Hz
- EBP †
- 296 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 100mm
- Weight
- 3.0kg
Sensitivity shows 94.8 dB, calculated from the T/S values. B&C publishes 97.0 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 23T·m
- Fs
- 68Hz
- Le
- 0.40mH
- Re
- 10.7Ω
- Sd
- 220cm²
- Mms
- 27g
- Qes
- 0.23
- Qms
- 6.3
- Qts
- 0.22
- SPL
- 94.8dB
- Vas
- 14L
- Xmax
- 7mm
- Power
- 200W
- Impedance
- 16Ω
- Flux density
- 1.30T
- Sensitivity
- 97dB
- Low limit
- 70Hz
- Nominal power
- 200W
- Calculated sensitivity †
- 94.8dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 97dB
- Min. impedance
- 14Ω
- Voice coil
- 51mm
- Weight
- 3.0kg
- Diameter
- 225mm
- Depth
- 100mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Bl
- 23 Tm
- Fs
- 68 Hz
- Le
- 0.4 mH
- Re
- 10.7 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 296 Hz
- Mms
- 27 g
- Qes
- 0.23
- Qms
- 6.3
- Qts
- 0.22
- Vas
- 14 dm³ (0.49 ft³)
- Η0
- 1.8 %
- Cone
- RCK008NW5116
- Xmax
- 7 mm
- Xvar
- 7 mm
- Depth
- 100 mm (4 in)
- Spider
- Single
- Cone shape
- Exponential
- Net weight
- 3.05 kg (6.72 lb)
- Pole design
- T-Pole
- Sensitivity
- 97 dB
- Flux density
- 1.3 T
- Shipping box
- 255x255x150 mm (10.04x10.04x5.91 in)
- Winding depth
- 17 mm (0.67 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 70 Hz - 3000 Hz
- Magnet material
- Neodymium Ring
- Shipping weight
- 3.5 kg (7.72 lb)
- Nominal diameter
- 200 mm (8 in)
- Overall diameter
- 225 mm (8.8 in)
- Winding material
- Copper
- Minimum impedance
- 14 Ω
- Nominal impedance
- 16 Ω
- Magnetic gap depth
- 10 mm (0.4 in)
- Voice coil diameter
- 51 mm (2 in)
- Bolt circle diameter
- 210 mm (8.3 in)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 187 mm (7.4 in)
- Nominal power handling
- 200 W
- Continuous power handling
- 400 W
- Flange and gasket thickness
- 11 mm (0.4 in)
- Air volume occupied by driver
- 1.1 dm³ (0.04 ft³)
02
Compare
Same-size drivers, compared with the 8NW51. Clear differences are green when better and red when worse.
This driver8NW51
Best price
£156.58
Fs
68 Hz
Qts
0.22
Vas
14 L
BL
23 T·m
Xmax
7 mm
Sensitivity
94.8 dB
Power
200 W
B&C8PE21
£93.37 · 40% less, betterFs87 Hz +28%, worse
Qts0.19 −14%, better
Vas13 L −7%
BL16.6 T·m −28%, worse
Xmax2.5 mm −64%, worse
Sensitivity98.3 dB +3.5, better
FaitalPRO8PR210
£100.24 · 36% less, betterFs65 Hz −4%
Qts0.34 +55%, worse
Vas15.7 L +12%, worse
BL17.4 T·m −24%, worse
Xmax7.2 mm –
Sensitivity92.7 dB −2.1, worse
B&C8FG64
£106.95 · 32% less, betterFs53 Hz −22%, better
Qts0.35 +59%, worse
Vas16.9 L +21%, worse
BL19.8 T·m −14%, worse
Xmax7.5 mm +7%
Sensitivity90.4 dB −4.4, worse
B&C8FW51
£116.29 · 26% less, betterFs74 Hz +9%
Qts0.21 −5%
Vas12 L −14%, better
BL17.7 T·m −23%, worse
Xmax6 mm −14%, worse
Sensitivity95.7 dB +0.9
B&C8NDL64
£122.23 · 22% less, betterFs73 Hz +7%
Qts0.24 +9%
Vas11.8 L −16%, better
BL24 T·m +4%
Xmax4.5 mm −36%, worse
Sensitivity94.7 dB –
Eighteen Sound8NW650
£138.53 · 12% less, betterFs62 Hz −9%
Qts0.25 +14%, worse
Vas19.0 L +36%, worse
BL19.1 T·m −17%, worse
Xmax5.5 mm −21%, worse
Sensitivity94.4 dB –
Eighteen Sound8NTLW2000
£139.21 · 11% less, betterFs74 Hz +9%
Qts0.26 +18%, worse
Vas11.3 L −19%, better
BL22.4 T·m –
Xmax4.4 mm −37%, worse
Sensitivity94.3 dB −0.5
£144.26 · 8% less, better
Fs20 Hz −71%, better
Qts0.24 +9%
Vas108 L +671%, worse
BL11.4 T·m −50%, worse
Xmax7 mm –
Sensitivity87.2 dB −7.6, worse
LavoceWAN082.02
£149.05 · 5% lessFs80 Hz +18%, worse
Qts0.23 +5%
Vas9.0 L −36%, better
BL17.8 T·m −23%, worse
Xmax5.8 mm −17%, worse
Sensitivity94.7 dB –
Scanspeak18W/8545-01
£149.18 · 5% lessFs25 Hz −63%, better
Qts0.20 −9%
Vas68.6 L +390%, worse
BL8.4 T·m −63%, worse
Xmax6.5 mm −7%
Sensitivity88.9 dB −5.9, worse
Sica8 K 3 PL
£160.43 · 2% moreFs68 Hz –
Qts0.25 +14%, worse
Vas12.2 L −13%, better
BL16.1 T·m −30%, worse
Xmax5 mm −29%, worse
Sensitivity93.6 dB −1.2
Beyma8MC300ND
£177.42 · 13% more, worseFs62 Hz −9%
Qts0.22 –
Vas18 L +29%, worse
BL16 T·m −30%, worse
Xmax6 mm −14%, worse
Sensitivity94.6 dB –
Eighteen Sound8NTLS2000
£188.18 · 20% more, worseFs42 Hz −38%, better
Qts0.24 +9%
Vas28 L +100%, worse
BL21.8 T·m −5%
Xmax7.4 mm +6%
Sensitivity91.4 dB −3.4, worse
Scanspeak22W/4851T00
£297.05 · 90% more, worseFs21 Hz −69%, better
Qts0.22 –
Vas126 L +800%, worse
BL8.2 T·m −64%, worse
Xmax9 mm +29%, better
Sensitivity89.1 dB −5.7, worse
AccutonC173-6-096
£848.78 · 442% more, worseFs50 Hz −26%, better
Qts0.22 –
Vas17.0 L +21%, worse
BL11.4 T·m −50%, worse
Xmax5 mm −29%, worse
Sensitivity91.5 dB −3.3, worse
Scanspeak18WE/4542T00
£848.78 · 442% more, worseFs46 Hz −32%, better
Qts0.25 +14%, worse
Vas17.2 L +23%, worse
BL8.1 T·m −65%, worse
Xmax7.2 mm –
Sensitivity92.5 dB −2.3, worse
CelestionNTR08-2009D
No current priceFs71 Hz +5%
Qts0.21 −4%
Vas11.7 L −17%, better
BL18.0 T·m −22%, worse
Xmax6.5 mm −7%
Sensitivity94.6 dB –
No photo
PHL Audio2513NDU
No current priceFs70 Hz –
Qts0.23 +5%
Vas12.5 L −11%, better
BL24 T·m +4%
Xmax4 mm −43%, worse
Sensitivity94.5 dB –
No photo
PHL Audio2510
No current priceFs72 Hz +6%
Qts0.24 +9%
Vas13.3 L −5%
BL23 T·m –
Xmax4 mm −43%, worse
Sensitivity95 dB –
LavoceWAF082.01
No current priceFs76 Hz +12%, worse
Qts0.21 −5%
Vas10.2 L −27%, better
BL17.9 T·m −22%, worse
Xmax5.8 mm −17%, worse
Sensitivity95.1 dB –
B&C8CLA64
No current priceFs71 Hz +4%
Qts0.24 +9%
Vas12.5 L −11%, better
BL16.4 T·m −29%, worse
Xmax5.3 mm −24%, worse
Sensitivity94.6 dB –
Oberton8NB201
No current priceFs71 Hz +4%
Qts0.24 +11%, worse
Vas12.5 L −10%, better
BL14.4 T·m −37%, worse
Xmax5.3 mm −25%, worse
Sensitivity94.4 dB –
PeerlessNSM-0820R00-04
No current priceFs77 Hz +13%, worse
Qts0.18 −18%, better
Vas11 L −21%, better
BL13.7 T·m −40%, worse
Xmax6.6 mm −6%
Sensitivity96.3 dB +1.5
Oberton8NM250V2
No current priceFs68 Hz –
Qts0.25 +15%, worse
Vas8.4 L −40%, better
BL21.3 T·m −8%
Xmax4 mm −43%, worse
Sensitivity92.1 dB −2.7, worse
Oberton8M250
No current priceFs74 Hz +9%
Qts0.20 −9%
Vas15.6 L +12%, worse
BL13.7 T·m −40%, worse
Xmax2.8 mm −61%, worse
Sensitivity97 dB +2.2, better
RCFMB8N251
No current priceFs68 Hz –
Qts0.25 +14%, worse
Vas13 L −7%
BL15.2 T·m −34%, worse
Xmax5 mm −29%, worse
Sensitivity94 dB −0.8
No photo
PHL Audio2513NDS
No current priceFs71 Hz +4%
Qts0.18 −18%, better
Vas12.2 L −13%, better
BL27.5 T·m +20%, better
Xmax4 mm −43%, worse
Sensitivity95.6 dB +0.8
LavoceCAN082.00K
No current priceFs72 Hz +6%
Qts0.27 +23%, worse
Vas15.1 L +8%
BL13.2 T·m −43%, worse
Xmax6.7 mm −4%
Sensitivity94.8 dB –
Oberton8M150
No current priceFs68 Hz –
Qts0.22 –
Vas21.6 L +54%, worse
BL11.6 T·m −49%, worse
Xmax3.3 mm −54%, worse
Sensitivity96.9 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 | £156.58, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £156.58 | In stock | Visit shop at JP Leisure | |
Blue Aran 5-7 weeks | £167.17 | 6.8% above the lowest price | 21 in stock | Visit shop at Blue Aran |
Best price over time
Tracked since 1 Apr
Recent changes
- 28 JulBlue Aran£120.85 → £167.17Up 38% from £120.85
- 23 JunJP Leisure£149.72 → £156.58Up 4.6% from £149.72
- 5 JunBlue Aran£163.93 → £120.85Down 26% from £163.93