- Net volume
- 10L
- Tuning
- 85Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
8-inch LF driver · 8NDL series · 64 mm voice coil · 350 W
B&C 8NDL64 16Ω
80–4000 Hz
£124.99
SteadyBlue Aran · 8 in stock · All 6 offers
- Fs
- 73Hz
- Xmax
- 4.5mm
- SPL
- 95dB
- Pe
- 350W
- BL
- 24T·m
- Vd
- 99cm³
- Qts
- 0.24
- Vas
- 12L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 fa6662c588bd…Medium confidence6,032 selected pixels of 6,032 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 fa6662c588bd…Medium confidence3,646 selected pixels of 3,646
Published graphs
B&C 8NDL64 is an 8-inch 16 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 73 Hz, Qts 0.24, Vas 11.8 L, Xmax 4.5 mm, sensitivity 94.7 dB, plus 99 cm³ Vd and 292 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 £122.23.
The published T/S values agree with each other
Thiele/Small
- Fs
- 73Hz
- Qts
- 0.24
- Qes
- 0.25
- Qms
- 6.8
- Vas
- 11.8L
- Re
- 11.2Ω
- Le
- 1.03mH
Motor and cone
- BL
- 24T·m
- Sd
- 220cm²
- Mms
- 27g
- Xmax
- 4.5mm
- Vd †
- 99cm³
- Voice coil
- 64mm
- Flux density
- 1.25T
Power and response
- Sensitivity †
- 94.7dB
- Manufacturer sensitivity
- 97dB
- Power
- 350W
- Nominal power
- 350W
- Impedance
- 16Ω
- Min. impedance
- 14.4Ω
- Range
- 80–4000Hz
- EBP †
- 292 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 95mm
- Weight
- 2.6kg
Sensitivity shows 94.7 dB, calculated from the T/S values. B&C publishes 97.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 24T·m
- Fs
- 73Hz
- Le
- 1.03mH
- Re
- 11.2Ω
- Sd
- 220cm²
- Mms
- 27g
- Qes
- 0.25
- Qms
- 6.8
- Qts
- 0.24
- SPL
- 94.7dB
- Vas
- 11.8L
- Xmax
- 4.5mm
- Power
- 350W
- Impedance
- 16Ω
- Flux density
- 1.25T
- Sensitivity
- 97dB
- Low limit
- 80Hz
- Nominal power
- 350W
- Calculated sensitivity †
- 94.7dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 97dB
- Min. impedance
- 14.4Ω
- Voice coil
- 64mm
- Weight
- 2.6kg
- Diameter
- 225mm
- Depth
- 95mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Bl
- 24 Tm
- Fs
- 73 Hz
- Le
- 1.03 mH
- Re
- 11.2 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 292 Hz
- Mms
- 27 g
- Qes
- 0.25
- Qms
- 6.8
- Qts
- 0.24
- Vas
- 11.8 dm³ (0.42 ft³)
- Η0
- 1.8 %
- Cone
- RCK008NDL6416
- Xmax
- 4.5 mm
- Xvar
- 5.5 mm
- Depth
- 95 mm (3.74 in)
- Spider
- Single
- Cone shape
- Exponential
- Net weight
- 2.6 kg (5.73 lb)
- Pole design
- T-Pole
- Sensitivity
- 97 dB
- Flux density
- 1.25 T
- Shipping box
- 255x255x150 mm (10.04x10.04x5.91 in)
- Winding depth
- 14 mm (0.55 in)
- Shipping units
- 1 pcs
- Surround shape
- Double Roll
- Former material
- Glass Fibre
- Frequency range
- 80 Hz - 4000 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 3.05 kg (6.72 lb)
- Nominal diameter
- 200 mm (8 in)
- Overall diameter
- 225 mm (8.8 in)
- Winding material
- Copper
- Minimum impedance
- 14.4 Ω
- Nominal impedance
- 16 Ω
- Magnetic gap depth
- 8 mm (0.31 in)
- Recommended tuning
- 85 Hz
- Voice coil diameter
- 64 mm (2.5 in)
- Bolt circle diameter
- 210 mm (8.3 in)
- Recommended enclosure
- 10 dm³ (0.35 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 187 mm (7.4 in)
- Nominal power handling
- 350 W
- Continuous power handling
- 700 W
- Flange and gasket thickness
- 10 mm (0.39 in)
- Air volume occupied by driver
- 1.5 dm³ (0.05 ft³)
B&C’s suggested box
From B&C’s 8NDL64 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 8NDL64. Clear differences are green when better and red when worse.
This driver8NDL64
Best price
£122.23
Fs
73 Hz
Qts
0.24
Vas
11.8 L
BL
24 T·m
Xmax
4.5 mm
Sensitivity
94.7 dB
Power
350 W
CIAREFXI8
£68.59 · 44% less, betterFs81 Hz +11%, worse
Qts0.29 +21%, worse
Vas13 L +10%, worse
BL13.3 T·m −45%, worse
Xmax4.5 mm –
Sensitivity95.4 dB +0.7
LavoceMAF082.00
£89.64 · 27% less, betterFs85 Hz +16%, worse
Qts0.20 −17%, better
Vas11.3 L −4%
BL17.2 T·m −28%, worse
Xmax2.6 mm −42%, worse
Sensitivity97 dB +2.3, better
Eighteen Sound8M400F
£114.19 · 7% less, betterFs89 Hz +22%, worse
Qts0.26 +8%
Vas13.7 L +16%, worse
BL13.1 T·m −45%, worse
Xmax3 mm −33%, worse
Sensitivity97.4 dB +2.7, better
B&C8FW51
£116.29 · 5% lessFs74 Hz –
Qts0.21 −13%, better
Vas12 L –
BL17.7 T·m −26%, worse
Xmax6 mm +33%, better
Sensitivity95.7 dB +1
Eighteen Sound8NW650
£138.53 · 13% more, worseFs62 Hz −15%, better
Qts0.25 +4%
Vas19.0 L +61%, worse
BL19.1 T·m −20%, worse
Xmax5.5 mm +22%, better
Sensitivity94.4 dB –
CelestionFTX0820
£139.00 · 14% more, worseFs79 Hz +8%
Qts0.28 +16%, worse
Vas13.1 L +11%, worse
BL14.6 T·m −39%, worse
Xmax4 mm −11%, worse
Sensitivity95.2 dB +0.5
Eighteen Sound8NTLW2000
£139.21 · 14% more, worseFs74 Hz –
Qts0.26 +8%
Vas11.3 L −4%
BL22.4 T·m −7%
Xmax4.4 mm –
Sensitivity94.3 dB –
LavoceWAN082.02
£149.05 · 22% more, worseFs80 Hz +10%
Qts0.23 −4%
Vas9.0 L −24%, better
BL17.8 T·m −26%, worse
Xmax5.8 mm +29%, better
Sensitivity94.7 dB –
B&C8NW51
£156.58 · 28% more, worseFs68 Hz −7%
Qts0.22 −8%
Vas14 L +19%, worse
BL23 T·m −4%
Xmax7 mm +56%, better
Sensitivity94.8 dB –
Sica8 K 3 PL
£160.43 · 31% more, worseFs68 Hz −7%
Qts0.25 +4%
Vas12.2 L +3%
BL16.1 T·m −33%, worse
Xmax5 mm +11%, better
Sensitivity93.6 dB −1.1
MonacorFTX0820/8
£163.39 · 34% more, worseFs79 Hz +8%
Qts0.28 +16%, worse
Vas13.1 L +11%, worse
BL14.6 T·m −39%, worse
Xmax4 mm −11%, worse
Sensitivity95.2 dB +0.5
PRV Audio8MB700FT-NDY-4
£180.76 · 48% more, worseFs60 Hz −18%, better
Qts0.22 −8%
Vas25.0 L +112%, worse
BL11.3 T·m −53%, worse
Xmax3.8 mm −17%, worse
Sensitivity95.5 dB +0.8
Eighteen Sound8NTLS2000
£188.18 · 54% more, worseFs42 Hz −42%, better
Qts0.24 –
Vas28 L +137%, worse
BL21.8 T·m −9%
Xmax7.4 mm +64%, better
Sensitivity91.4 dB −3.3, worse
BMS8CN552
£262.59 · 115% more, worseFs88 Hz +20%, worse
Qts0.29 +21%, worse
Vas10.1 L −15%, better
BL13.4 T·m −44%, worse
Xmax4 mm −11%, worse
Sensitivity95.6 dB +0.9
AccutonC173-6-096
£848.78 · 594% more, worseFs50 Hz −32%, better
Qts0.22 −8%
Vas17.0 L +44%, worse
BL11.4 T·m −53%, worse
Xmax5 mm +11%, better
Sensitivity91.5 dB −3.2, worse
No photo
PHL Audio2510
No current priceFs72 Hz –
Qts0.24 –
Vas13.3 L +13%, worse
BL23 T·m −4%
Xmax4 mm −11%, worse
Sensitivity95 dB –
No photo
PHL Audio2513NDU
No current priceFs70 Hz −4%
Qts0.23 −4%
Vas12.5 L +6%
BL24 T·m –
Xmax4 mm −11%, worse
Sensitivity94.5 dB –
Oberton8NM250V2
No current priceFs68 Hz −7%
Qts0.25 +5%
Vas8.4 L −29%, better
BL21.3 T·m −11%, worse
Xmax4 mm −11%, worse
Sensitivity92.1 dB −2.6, worse
B&C8CLA64
No current priceFs71 Hz –
Qts0.24 –
Vas12.5 L +6%
BL16.4 T·m −32%, worse
Xmax5.3 mm +18%, better
Sensitivity94.6 dB –
Oberton8NMB250V4
No current priceFs82 Hz +12%, worse
Qts0.26 +8%
Vas10.9 L −8%
BL14.3 T·m −41%, worse
Xmax4.5 mm –
Sensitivity95.5 dB +0.8
Oberton8NB201
No current priceFs71 Hz −3%
Qts0.24 –
Vas12.5 L +6%
BL14.4 T·m −40%, worse
Xmax5.3 mm +17%, better
Sensitivity94.4 dB –
RCFMB8N251
No current priceFs68 Hz −7%
Qts0.25 +4%
Vas13 L +10%, worse
BL15.2 T·m −37%, worse
Xmax5 mm +11%, better
Sensitivity94 dB −0.7
REDCATT81NPM-2
No current priceFs69 Hz −5%
Qts0.28 +17%, worse
Vas10.3 L −13%, better
BL19.3 T·m −20%, worse
Xmax4.0 mm −10%, worse
Sensitivity92.7 dB −2, worse
Eighteen Sound8NCX750
No current priceFs111 Hz +52%, worse
Qts0.26 +8%
Vas5.2 L −56%, better
BL20 T·m −17%, worse
Xmax4 mm −11%, worse
Sensitivity96.2 dB +1.5
CelestionNTR08-2009D
No current priceFs71 Hz –
Qts0.21 −12%, better
Vas11.7 L –
BL18.0 T·m −25%, worse
Xmax6.5 mm +44%, better
Sensitivity94.6 dB –
No photo
PHL Audio2513NDS
No current priceFs71 Hz –
Qts0.18 −25%, better
Vas12.2 L +3%
BL27.5 T·m +15%, better
Xmax4 mm −11%, worse
Sensitivity95.6 dB +0.9
Acoustic EleganceTD8M-8
No current priceFs76 Hz +4%
Qts0.26 +8%
Vas11.3 L −4%
BL15.5 T·m −35%, worse
Xmax3 mm −33%, worse
Sensitivity94.6 dB –
LavoceWAF082.01
No current priceFs76 Hz +4%
Qts0.21 −13%, better
Vas10.2 L −13%, better
BL17.9 T·m −25%, worse
Xmax5.8 mm +29%, better
Sensitivity95.1 dB –
Audio Technology18 H 52 06 13 SDKA-LR
No current priceFs32 Hz −56%, better
Qts0.25 +4%
Vas50 L +324%, worse
BL7.4 T·m −69%, worse
Xmax4 mm −11%, worse
Sensitivity89.9 dB −4.8, worse
Oberton8MVCX (8NMB250VCX)
No current priceFs85 Hz +17%, worse
Qts0.16 −32%, better
Vas10.7 L −10%
BL17.8 T·m −26%, worse
Xmax4.3 mm −6%
Sensitivity98 dB +3.3, 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 |
|---|---|---|---|---|
Blue Aran | £124.99, the lowest price | 8 in stock | Visit shop at Blue Aran | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £127.16 | 1.7% above the lowest price | In stock | Visit shop at JP Leisure |
JP Leisure | £127.16 | 1.7% above the lowest price | In stock | Visit shop at JP Leisure |
Parts Express Import VAT and duty may apply | £154.56 | 24% above the lowest price | Back order | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 17 JulBlue Aran£133.06 → £124.99Down 6.1% from £133.06
- 23 JunBlue Aran£133.10 → £133.06Down <0.1% from £133.10
- 23 JunJP Leisure£123.90 → £127.16Up 2.6% from £123.90