VisatonW 200 S
£55.13 · 73% less, betterFs30 Hz −88%, better
Qts0.33 –
Vas70 L +4567%, worse
BL9 T·m −59%, worse
Xmax10 mm +400%, better
Sensitivity89.2 dB −10.8, worse
8-inch LF driver · 8NSM series · 64 mm voice coil · 250 W
B&C 8NSM64 8Ω
245–2000 Hz
£207.37
SteadyJP Leisure · In stock · All 5 offers
- Fs
- 245Hz
- Xmax
- 2mm
- SPL
- 100dB
- Pe
- 250W
- BL
- 22T·m
- Vd
- 44cm³
- Qts
- 0.34
- Vas
- 2L
Published graphs
B&C 8NSM64 is an 8-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 245 Hz, Qts 0.34, Vas 1.5 L, Xmax 2 mm, sensitivity 100 dB, plus 44 cm³ Vd and 700 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 £207.37.
The published T/S values agree with each other
Thiele/Small
- Fs
- 245Hz
- Qts
- 0.34
- Qes
- 0.35
- Qms
- 9.3
- Vas
- 1.5L
- Re
- 5.7Ω
- Le
- 0.60mH
Motor and cone
- BL
- 22T·m
- Sd
- 220cm²
- Mms
- 19g
- Xmax
- 2mm
- Vd †
- 44cm³
- Voice coil
- 64mm
- Flux density
- 1.55T
Power and response
- Sensitivity †
- 100dB
- Manufacturer sensitivity
- 100dB
- Power
- 250W
- Nominal power
- 250W
- Impedance
- 8Ω
- Min. impedance
- 8.2Ω
- Range
- 245–2000Hz
- EBP †
- 700 · Leans vented
Size and mounting
- Diameter
- 239mm
- Cutout
- 200mm
- Bolt circle
- 222mm
- Depth
- 115mm
- Weight
- 4.5kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 22T·m
- Fs
- 245Hz
- Le
- 0.60mH
- Re
- 5.7Ω
- Sd
- 220cm²
- Mms
- 19g
- Qes
- 0.35
- Qms
- 9.3
- Qts
- 0.34
- SPL
- 100dB
- Vas
- 1.5L
- Xmax
- 2mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 1.55T
- Sensitivity
- 100dB
- Low limit
- 245Hz
- Nominal power
- 250W
- Calculated sensitivity †
- 100dB
- High limit
- 2000Hz
- Manufacturer sensitivity
- 100dB
- Min. impedance
- 8.2Ω
- Voice coil
- 64mm
- Weight
- 4.5kg
- Diameter
- 239mm
- Depth
- 115mm
- Cutout
- 200mm
- Bolt circle
- 222mm
- Bl
- 22 Tm
- Fs
- 245 Hz
- Le
- 0.6 mH
- Re
- 5.7 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 700 Hz
- Mms
- 19 g
- Qes
- 0.35
- Qms
- 9.3
- Qts
- 0.34
- Vas
- 1.5 dm³ (0.05 ft³)
- Η0
- 4.5 %
- Cone
- RCK008NSM648
- Xmax
- 2 mm
- Xvar
- 1.7 mm
- Depth
- 115 mm (4.53 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 4.55 kg (10.03 lb)
- Pole design
- T-Pole
- Sensitivity
- 100 dB
- Flux density
- 1.55 T
- Shipping box
- 295x314x175 mm (11.61x12.36x6.89 in)
- Winding depth
- 13 mm (0.51 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 245 Hz - 2000 Hz
- Magnet material
- Neodymium Ring
- Shipping weight
- 5.15 kg (11.35 lb)
- Nominal diameter
- 200 mm (8 in)
- Overall diameter
- 239 mm (9.41 in)
- Winding material
- Aluminium
- Minimum impedance
- 8.2 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 10 mm (0.39 in)
- Voice coil diameter
- 64 mm (2.5 in)
- Bolt circle diameter
- 222 mm (8.74 in)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 200 mm (7.87 in)
- Nominal power handling
- 250 W
- Continuous power handling
- 500 W
- Flange and gasket thickness
- 16 mm (0.63 in)
- Air volume occupied by driver
- 3.5 dm³ (0.12 ft³)
02
Compare
Same-size drivers, compared with the 8NSM64. Clear differences are green when better and red when worse.
This driver8NSM64
Best price
£207.37
Fs
245 Hz
Qts
0.34
Vas
1.5 L
BL
22 T·m
Xmax
2 mm
Sensitivity
100 dB
Power
250 W
PRV Audio8MR600X-4
£67.72 · 67% less, betterFs77 Hz −68%, better
Qts0.34 –
Vas19.6 L +1210%, worse
BL8.9 T·m −59%, worse
Xmax5.1 mm +155%, better
Sensitivity96 dB −4, worse
B&C8PS21
£80.83 · 61% less, betterFs73 Hz −70%, better
Qts0.33 –
Vas14 L +833%, worse
BL12.6 T·m −43%, worse
Xmax5 mm +150%, better
Sensitivity93.8 dB −6.2, worse
SB AcousticsSB23NBACS45-4
£98.70 · 52% less, betterFs23 Hz −91%, better
Qts0.33 –
Vas95 L +6233%, worse
BL6.7 T·m −70%, worse
Xmax13 mm +550%, better
Sensitivity87.2 dB −12.8, worse
Scanspeak22W/4534G00
£101.82 · 51% less, betterFs30 Hz −88%, better
Qts0.34 –
Vas95 L +6233%, worse
BL6 T·m −73%, worse
Xmax5.7 mm +185%, better
Sensitivity90.4 dB −9.6, worse
CIARENDI8
£104.66 · 50% less, betterFs81 Hz −67%, better
Qts0.33 –
Vas13 L +767%, worse
BL12.8 T·m −42%, worse
Xmax4.5 mm +125%, better
Sensitivity94.9 dB −5.1, worse
SB AcousticsSB23CACS45-4
£114.02 · 45% less, betterFs23 Hz −91%, better
Qts0.33 –
Vas95 L +6233%, worse
BL6.7 T·m −70%, worse
Xmax13 mm +550%, better
Sensitivity87.2 dB −12.8, worse
SB AcousticsSB23MFCL45-4
£117.27 · 43% less, betterFs27 Hz −89%, better
Qts0.34 –
Vas37 L +2367%, worse
BL9.6 T·m −56%, worse
Xmax24 mm +1100%, better
Sensitivity85.1 dB −14.9, worse
VisatonGF 200
£134.50 · 35% less, betterFs30 Hz −88%, better
Qts0.34 –
Vas68 L +4433%, worse
BL9.2 T·m −58%, worse
Xmax10 mm +400%, better
Sensitivity89 dB −11, worse
VisatonGF 200 - 2 x 4 Ohm
£142.63 · 31% less, betterFs30 Hz −88%, better
Qts0.34 –
Vas68 L +4433%, worse
BL9.2 T·m −58%, worse
Xmax10 mm +400%, better
Sensitivity89 dB −11, worse
FaitalPRO8RS340
£165.52 · 20% less, betterFs42 Hz −83%, better
Qts0.34 –
Vas25.5 L +1600%, worse
BL13 T·m −41%, worse
Xmax7.3 mm +267%, better
Sensitivity89.2 dB −10.8, worse
B&C8FCX51
£178.00 · 14% less, betterFs69 Hz −72%, better
Qts0.34 –
Vas16 L +967%, worse
BL11.5 T·m −48%, worse
Xmax6 mm +200%, better
Sensitivity93.7 dB −6.3, worse
WavecorWF211PA01
£186.80 · 10% less, betterFs68 Hz −72%, better
Qts0.29 −15%, better
Vas13.6 L +807%, worse
BL10.7 T·m −51%, worse
Xmax2 mm –
Sensitivity93.6 dB −6.4, worse
Beyma8NMFW
£230.72 · 11% more, worseFs37 Hz −85%, better
Qts0.34 –
Vas27 L +1700%, worse
BL13.4 T·m −39%, worse
Xmax9 mm +350%, better
Sensitivity87.8 dB −12.2, worse
SB AcousticsMW19TX-8
£288.56 · 39% more, worseFs33 Hz −87%, better
Qts0.33 –
Vas53.4 L +3460%, worse
BL7.5 T·m −66%, worse
Xmax13.4 mm +570%, better
Sensitivity89.4 dB −10.6, worse
SB AcousticsWO24TX-8
£299.00 · 44% more, worseFs25 Hz −90%, better
Qts0.34 –
Vas88 L +5767%, worse
BL10.4 T·m −53%, worse
Xmax17.1 mm +755%, better
Sensitivity87.6 dB −12.4, worse
AccutonC173-6-191
£339.49 · 64% more, worseFs39 Hz −84%, better
Qts0.34 –
Vas21.6 L +1340%, worse
BL8.8 T·m −60%, worse
Xmax5 mm +150%, better
Sensitivity87.3 dB −12.7, worse
No photo
PHL Audio2520
No current priceFs109 Hz −56%, better
Qts0.33 –
Vas9 L +500%, worse
BL14.3 T·m −35%, worse
Xmax2 mm –
Sensitivity97 dB −3, worse
Eighteen Sound8MB710
No current priceFs108 Hz −56%, better
Qts0.32 −6%
Vas9 L +500%, worse
BL13.4 T·m −39%, worse
Xmax2.3 mm +13%, better
Sensitivity97.1 dB −2.9, worse
Eighteen Sound8MB720
No current priceFs108 Hz −56%, better
Qts0.32 −6%
Vas9 L +500%, worse
BL13.4 T·m −39%, worse
Xmax2.3 mm +13%, better
Sensitivity97.1 dB −2.9, worse
CelestionTN0820
No current priceFs62 Hz −75%, better
Qts0.28 −17%, better
Vas21.9 L +1361%, worse
BL11.8 T·m −46%, worse
Xmax2 mm –
Sensitivity93.8 dB −6.2, worse
No photo
PHL Audio2520NDM
No current priceFs110 Hz −55%, better
Qts0.37 +9%
Vas8.6 L +473%, worse
BL14.2 T·m −35%, worse
Xmax2 mm –
Sensitivity96.6 dB −3.4, worse
REDCATT81NPM-1
No current priceFs72 Hz −71%, better
Qts0.33 –
Vas10.3 L +587%, worse
BL16.7 T·m −24%, worse
Xmax6 mm +200%, better
Sensitivity92.6 dB −7.4, worse
RCFMR8N301
No current priceFs310 Hz +27%, worse
Qts0.37 +9%
Vas2 L +33%, worse
BL17.8 T·m −19%, worse
Xmax4 mm +100%, better
Sensitivity103.7 dB +3.7, better
B&C8CXN64
No current priceFs71 Hz −71%, better
Qts0.33 –
Vas10.5 L +600%, worse
BL15.5 T·m −30%, worse
Xmax5.5 mm +175%, better
Sensitivity92.3 dB −7.7, worse
WavecorWF182BD07
No current priceFs40 Hz −84%, better
Qts0.34 –
Vas24.4 L +1527%, worse
BL8.5 T·m −61%, worse
Xmax5.5 mm +175%, better
Sensitivity88.5 dB −11.5, worse
Tang BandW8Q-1071F
No current priceFs27 Hz −89%, better
Qts0.34 –
Vas70.4 L +4595%, worse
BL14.6 T·m −34%, worse
Xmax12 mm +500%, better
Sensitivity87.9 dB −12.1, worse
CIARECMI200
No current priceFs80 Hz −67%, better
Qts0.34 –
Vas12 L +700%, worse
BL9.6 T·m −56%, worse
Xmax4.5 mm +125%, better
Sensitivity94.4 dB −5.6, worse
Tang BandW8-740M
No current priceFs30 Hz −88%, better
Qts0.34 –
Vas14.7 L +881%, worse
BL14.3 T·m −35%, worse
Xmax12 mm +500%, better
Sensitivity82.3 dB −17.7, worse
JensenBP8150-8
No current priceFs75 Hz −70%, better
Qts0.33 –
Vas13.1 L +773%, worse
BL13.3 T·m −40%, worse
Xmax3.1 mm +55%, better
Sensitivity93.8 dB −6.2, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £207.37, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £207.37 | In stock | Visit shop at JP Leisure | |
Blue Aran 5-7 weeks | £226.10 | 9.0% above the lowest price | 21 in stock | Visit shop at Blue Aran |
Parts Express Import VAT and duty may apply | £276.72 | 33% 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£185.58 → £207.37Up 12% from £185.58
- 23 JunBlue Aran£226.16 → £226.10Down <0.1% from £226.16
- 5 JunBlue Aran£194.26 → £226.16Up 16% from £194.26