LavoceMAF082.00
£75.38 · 38% less, betterFs85 Hz +15%, worse
Qts0.20 +18%, worse
Vas11.3 L –
BL17.2 T·m −9%
Xmax2.6 mm −57%, worse
Sensitivity97 dB +1.3
8-inch LF driver · 8NW series · 51 mm voice coil · 200 W
B&C 8NW51 8Ω
70–3000 Hz
£120.85
SteadyBlue Aran · 1 in stock · All 6 offers
- Fs
- 74Hz
- Xmax
- 6mm
- SPL
- 96dB
- Pe
- 200W
- BL
- 18.9T·m
- Vd
- 132cm³
- Qts
- 0.17
- Vas
- 11L
Published graphs
B&C 8NW51 is an 8-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 74 Hz, Qts 0.17, Vas 11 L, Xmax 6 mm, sensitivity 95.7 dB, plus 132 cm³ Vd and 389 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 £120.85.
The published T/S values agree with each other
Thiele/Small
- Fs
- 74Hz
- Qts
- 0.17
- Qes
- 0.19
- Qms
- 2.7
- Vas
- 11L
- Re
- 5.2Ω
- Le
- 0.40mH
Motor and cone
- BL
- 18.9T·m
- Sd
- 220cm²
- Mms
- 28g
- Xmax
- 6mm
- Vd †
- 132cm³
- Voice coil
- 51mm
- Flux density
- 1.30T
Power and response
- Sensitivity †
- 95.7dB
- Manufacturer sensitivity
- 96.5dB
- Power
- 200W
- Nominal power
- 200W
- Impedance
- 8Ω
- Min. impedance
- 7.7Ω
- Range
- 70–3000Hz
- EBP †
- 389 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 100mm
- Weight
- 3.0kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 18.9T·m
- Fs
- 74Hz
- Le
- 0.40mH
- Re
- 5.2Ω
- Sd
- 220cm²
- Mms
- 28g
- Qes
- 0.19
- Qms
- 2.7
- Qts
- 0.17
- SPL
- 95.7dB
- Vas
- 11L
- Xmax
- 6mm
- Power
- 200W
- Impedance
- 8Ω
- Flux density
- 1.30T
- Sensitivity
- 96.5dB
- Low limit
- 70Hz
- Nominal power
- 200W
- Calculated sensitivity †
- 95.7dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 96.5dB
- Min. impedance
- 7.7Ω
- Voice coil
- 51mm
- Weight
- 3.0kg
- Diameter
- 225mm
- Depth
- 100mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Bl
- 18.9 Tm
- Fs
- 74 Hz
- Le
- 0.4 mH
- Re
- 5.2 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 389 Hz
- Mms
- 28 g
- Qes
- 0.19
- Qms
- 2.7
- Qts
- 0.17
- Vas
- 11 dm³ (0.4 ft³)
- Η0
- 2.4 %
- Cone
- RCK008NW518
- Xmax
- 6 mm
- Xvar
- 6 mm
- Depth
- 100 mm (4 in)
- Spider
- Single
- Cone shape
- Exponential
- Net weight
- 3.05 kg (6.72 lb)
- Pole design
- T-Pole
- Sensitivity
- 96.5 dB
- Flux density
- 1.3 T
- Shipping box
- 255x255x150 mm (10.04x10.04x5.91 in)
- Winding depth
- 19 mm (0.73 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
- 7.7 Ω
- Nominal impedance
- 8 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
£120.85
Fs
74 Hz
Qts
0.17
Vas
11 L
BL
18.9 T·m
Xmax
6 mm
Sensitivity
95.7 dB
Power
200 W
Beyma8WRS300
£75.85 · 37% less, betterFs65 Hz −12%, better
Qts0.28 +65%, worse
Vas15 L +36%, worse
BL15.2 T·m −20%, worse
Xmax6 mm –
Sensitivity93.4 dB −2.3, worse
SB AudienceBIANCO-8MWN150
£81.76 · 32% less, betterFs74 Hz –
Qts0.38 +124%, worse
Vas9.9 L −10%
BL16.5 T·m −13%, worse
Xmax6.0 mm –
Sensitivity92 dB −3.7, worse
Beyma8WR300
£91.09 · 25% less, betterFs65 Hz −12%, better
Qts0.27 +59%, worse
Vas15 L +36%, worse
BL15.5 T·m −18%, worse
Xmax6 mm –
Sensitivity93.6 dB −2.1, worse
B&C8PE21
£93.17 · 23% less, betterFs87 Hz +18%, worse
Qts0.19 +12%, worse
Vas13 L +18%, worse
BL16.6 T·m −12%, worse
Xmax2.5 mm −58%, worse
Sensitivity98.3 dB +2.6, better
B&C8FW51
£116.03 · 4% lessFs74 Hz –
Qts0.21 +24%, worse
Vas12 L +9%
BL17.7 T·m −6%
Xmax6 mm –
Sensitivity95.7 dB –
B&C8NDL64
£121.96 · Same priceFs80 Hz +8%
Qts0.25 +47%, worse
Vas9.6 L −13%, better
BL17.5 T·m −7%
Xmax4.5 mm −25%, worse
Sensitivity95 dB −0.7
CelestionNTR08-2011D
£125.00 · 3% moreFs85 Hz +15%, worse
Qts0.44 +156%, worse
Vas10.3 L −6%
BL12.0 T·m −37%, worse
Xmax6 mm –
Sensitivity92.7 dB −3, worse
LavoceWAN082.01
£128.48 · 6% more, worseFs85 Hz +15%, worse
Qts0.32 +88%, worse
Vas9 L −18%, better
BL14.4 T·m −24%, worse
Xmax5.8 mm −3%
Sensitivity94 dB −1.7
B&C8MDN51
£136.46 · 13% more, worseFs70 Hz −5%
Qts0.20 +18%, worse
Vas16 L +45%, worse
BL15.3 T·m −19%, worse
Xmax6 mm –
Sensitivity96.2 dB +0.5
Eighteen Sound8NTLW2000
£138.90 · 15% more, worseFs71 Hz −4%
Qts0.21 +24%, worse
Vas13 L +18%, worse
BL17.5 T·m −7%
Xmax4.4 mm −27%, worse
Sensitivity95.5 dB –
Beyma8MC500ND
£140.00 · 16% more, worseFs69 Hz −7%
Qts0.18 +6%
Vas15.9 L +45%, worse
BL16.7 T·m −12%, worse
Xmax5 mm −17%, worse
Sensitivity96.4 dB +0.7
LavoceWAN082.02
£148.73 · 23% more, worseFs80 Hz +8%
Qts0.23 +35%, worse
Vas9.0 L −18%, better
BL17.8 T·m −6%
Xmax5.8 mm −3%
Sensitivity94.7 dB −1
Sica8 K 3 PL
£160.07 · 32% more, worseFs68 Hz −8%
Qts0.25 +47%, worse
Vas12.2 L +11%, worse
BL16.1 T·m −15%, worse
Xmax5 mm −17%, worse
Sensitivity93.6 dB −2.1, worse
Eighteen Sound8NTLS2000
£162.28 · 34% more, worseFs41 Hz −45%, better
Qts0.19 +12%, worse
Vas27 L +145%, worse
BL17.2 T·m −9%
Xmax7.4 mm +23%, better
Sensitivity91.9 dB −3.8, worse
Beyma8MC300ND
£177.87 · 47% more, worseFs62 Hz −16%, better
Qts0.22 +29%, worse
Vas18 L +64%, worse
BL16 T·m −15%, worse
Xmax6 mm –
Sensitivity94.6 dB −1.1
Eighteen Sound8NMB750
£216.82 · 79% more, worseFs88 Hz +19%, worse
Qts0.27 +59%, worse
Vas6.9 L −37%, better
BL18.7 T·m –
Xmax6.1 mm –
Sensitivity94.3 dB −1.4
FaitalPRO8HX240
£282.04 · 133% more, worseFs70 Hz −5%
Qts0.30 +76%, worse
Vas12.9 L +17%, worse
BL13.8 T·m −27%, worse
Xmax6.2 mm –
Sensitivity93.6 dB −2.1, worse
PeerlessNSM-0820R00-04
No current priceFs77 Hz +4%
Qts0.18 +6%
Vas11 L –
BL13.7 T·m −28%, worse
Xmax6.6 mm +10%
Sensitivity96.3 dB +0.6
Oberton8MVCX (8NMB250VCX)
No current priceFs85 Hz +15%, worse
Qts0.16 −4%
Vas10.7 L −3%
BL17.8 T·m −6%
Xmax4.3 mm −29%, worse
Sensitivity98 dB +2.3, better
LavoceWAF082.01
No current priceFs76 Hz –
Qts0.21 +24%, worse
Vas10.2 L −7%
BL17.9 T·m −5%
Xmax5.8 mm −3%
Sensitivity95.1 dB −0.6
CelestionNTR08-2009D
No current priceFs71 Hz −4%
Qts0.21 +24%, worse
Vas11.7 L +6%
BL18.0 T·m −5%
Xmax6.5 mm +8%
Sensitivity94.6 dB −1.1
No photo
PHL Audio2513NDS
No current priceFs71 Hz −4%
Qts0.18 +6%
Vas12.2 L +11%, worse
BL27.5 T·m +46%, better
Xmax4 mm −33%, worse
Sensitivity95.6 dB –
REDCATT81NPM-1
No current priceFs72 Hz –
Qts0.33 +94%, worse
Vas10.3 L −6%
BL16.7 T·m −12%, worse
Xmax6 mm –
Sensitivity92.6 dB −3.1, worse
B&C8CLA64
No current priceFs71 Hz −4%
Qts0.24 +41%, worse
Vas12.5 L +14%, worse
BL16.4 T·m −13%, worse
Xmax5.3 mm −12%, worse
Sensitivity94.6 dB −1.1
B&C8CXN64
No current priceFs71 Hz −4%
Qts0.33 +94%, worse
Vas10.5 L −5%
BL15.5 T·m −18%, worse
Xmax5.5 mm −8%
Sensitivity92.3 dB −3.4, worse
BMS8N519
No current priceFs75 Hz –
Qts0.37 +118%, worse
Vas10.9 L –
BL13.8 T·m −27%, worse
Xmax6.3 mm +5%
Sensitivity92.5 dB −3.2, worse
Beyma8CX300FE
No current priceFs89 Hz +20%, worse
Qts0.55 +224%, worse
Vas10.8 L –
BL9.6 T·m −49%, worse
Xmax6 mm –
Sensitivity92.9 dB −2.8, worse
REDCATT81NPM-2
No current priceFs69 Hz −7%
Qts0.28 +65%, worse
Vas10.3 L −6%
BL19.3 T·m –
Xmax4.0 mm −33%, worse
Sensitivity92.7 dB −3, worse
CelestionCNX0820
No current priceFs95 Hz +28%, worse
Qts0.40 +132%, worse
Vas9.9 L −10%, better
BL12.0 T·m −36%, worse
Xmax6 mm –
Sensitivity94.7 dB −1
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 |
|---|---|---|---|---|
Blue Aran | £120.85, the lowest price | 1 in stock | Visit shop at Blue Aran | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £156.58 | 30% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £156.58 | 30% above the lowest price | In stock | Visit shop at JP Leisure |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£158.56 → £156.58Down 1.2% from £158.56
- 5 JunBlue Aran£163.93 → £120.85Down 26% from £163.93