- Net volume
- 25L
- Tuning
- 62Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
6.5-inch LF driver · 200 W
Eighteen Sound 6ND430 8Ω
63–5500 Hz
£110.59
SteadyLean Business · All 3 offers
- Fs
- 61Hz
- Xmax
- 5mm
- SPL
- 92dB
- Pe
- 200W
- BL
- 10T·m
- Vd
- 67cm³
- Qts
- 0.27
- Vas
- 13L
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 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
frequency response
Frequency response
240 plotted pointsMedium confidence1,538 selected pixels of 1,538
Published graphs
Eighteen Sound 6ND430 is a 6.5-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 61 Hz, Qts 0.27, Vas 12.6 L, Xmax 5 mm, sensitivity 92.1 dB, plus 67 cm³ Vd and 218 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 £110.59.
The published T/S values agree with each other
Thiele/Small
- Fs
- 61Hz
- Qts
- 0.27
- Qes
- 0.28
- Qms
- 6.5
- Vas
- 12.6L
- Re
- 5.5Ω
- Le
- 0.28mH
Motor and cone
- BL
- 10T·m
- Sd
- 133cm²
- Mms
- 13g
- Xmax
- 5mm
- Vd †
- 67cm³
Power and response
- Sensitivity †
- 92.1dB
- Manufacturer sensitivity
- 92.5dB
- Power
- 200W
- Nominal power
- 200W
- Impedance
- 8Ω
- Range
- 63–5500Hz
- EBP †
- 218 · Leans vented
Size and mounting
- Diameter
- 162mm
- Cutout
- 148mm
- Bolt circle
- 170mm
- Depth
- 73mm
- Weight
- 1.3kg
Other published values
- Power Program
- 260
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 6.5″
- BL
- 10T·m
- Fs
- 61Hz
- Le
- 0.28mH
- Re
- 5.5Ω
- Sd
- 133cm²
- Mms
- 13g
- Qes
- 0.28
- Qms
- 6.5
- Qts
- 0.27
- SPL
- 92.1dB
- Vas
- 12.6L
- Xmax
- 5mm
- Power
- 200W
- Impedance
- 8Ω
- Sensitivity
- 92.5dB
- Low limit
- 63Hz
- Nominal power
- 200W
- Power Program
- 260
- Calculated sensitivity †
- 92.1dB
- High limit
- 5500Hz
- Manufacturer sensitivity
- 92.5dB
- Weight
- 1.3kg
- Diameter
- 162mm
- Depth
- 73mm
- Cutout
- 148mm
- Bolt circle
- 170mm
02
Designs
What Eighteen Sound suggests for the 6ND430. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 6ND430 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 6ND430. Clear differences are green when better and red when worse.
This driver6ND430
Best price
£110.59
Fs
61 Hz
Qts
0.27
Vas
12.6 L
BL
10 T·m
Xmax
5 mm
Sensitivity
92.1 dB
Power
200 W
Dayton AudioDS175-8
£37.39 · 66% less, betterFs37 Hz −39%, better
Qts0.27 –
Vas17 L +35%, worse
BL10.4 T·m +4%
Xmax5.3 mm +5%
Sensitivity86.3 dB −5.8, worse
Dayton AudioDSA175-8
£41.13 · 63% less, betterFs38 Hz −37%, better
Qts0.29 +7%
Vas18.7 L +48%, worse
BL9.8 T·m –
Xmax5.3 mm +6%
Sensitivity86.8 dB −5.3, worse
Scanspeak15W/8434G00
£56.10 · 49% less, betterFs45 Hz −26%, better
Qts0.25 −7%
Vas12.8 L –
BL7.3 T·m −27%, worse
Xmax4.2 mm −16%, worse
Sensitivity88.4 dB −3.7, worse
SB AcousticsSB17NRX2L35-8
£71.13 · 36% less, betterFs38 Hz −38%, better
Qts0.28 +4%
Vas26.1 L +107%, worse
BL7.8 T·m −22%, worse
Xmax4.8 mm −4%
Sensitivity88.7 dB −3.4, worse
REDCATT6FHM
£82.06 · 26% less, betterFs36 Hz −41%, better
Qts0.29 +7%
Vas26.1 L +107%, worse
BL9.9 T·m –
Xmax4.3 mm −15%, worse
Sensitivity88.3 dB −3.8, worse
LavoceWAN061.80
£83.14 · 25% less, betterFs60 Hz –
Qts0.27 –
Vas11.2 L −11%, better
BL10.9 T·m +9%
Xmax5.2 mm +4%
Sensitivity91.2 dB −0.9
FaitalPRO6RS140
£84.31 · 24% less, betterFs65 Hz +7%
Qts0.27 –
Vas9.3 L −26%, better
BL11 T·m +10%, better
Xmax5.6 mm +12%, better
Sensitivity91.6 dB −0.5
Beyma6P200FE
£88.70 · 20% less, betterFs58 Hz −5%
Qts0.26 −4%
Vas11.1 L −12%, better
BL10.5 T·m +5%
Xmax5 mm –
Sensitivity91.1 dB −1
CIARENDI6
£89.68 · 19% less, betterFs71 Hz +16%, worse
Qts0.29 +7%
Vas8.5 L −33%, better
BL10.8 T·m +8%
Xmax5.3 mm +6%
Sensitivity91.8 dB –
Beyma6P200ND
£136.52 · 23% more, worseFs56 Hz −8%
Qts0.29 +7%
Vas11.9 L −6%
BL10.5 T·m +5%
Xmax5.5 mm +10%, better
Sensitivity90.2 dB −1.9
MonacorSPH-170C
£144.60 · 31% more, worseFs38 Hz −38%, better
Qts0.26 −4%
Vas24 L +90%, worse
BL9.4 T·m −6%
Xmax4 mm −20%, worse
Sensitivity88.9 dB −3.2, worse
AccutonC158-6-851
£293.02 · 165% more, worseFs31 Hz −49%, better
Qts0.28 +4%
Vas25.7 L +104%, worse
BL8.7 T·m −13%, worse
Xmax5 mm –
Sensitivity86.2 dB −5.9, worse
£373.14 · 237% more, worse
Fs34 Hz −44%, better
Qts0.26 −4%
Vas30 L +138%, worse
BL8.4 T·m −16%, worse
Xmax5 mm –
Sensitivity88 dB −4.1, worse
AccutonC173-6-096
£837.27 · 657% more, worseFs50 Hz −18%, better
Qts0.22 −19%, better
Vas17.0 L +35%, worse
BL11.4 T·m +14%, better
Xmax5 mm –
Sensitivity91.5 dB −0.6
Beyma6CX200ND
No current priceFs65 Hz +7%
Qts0.27 –
Vas9.4 L −25%, better
BL10.5 T·m +5%
Xmax5.5 mm +10%, better
Sensitivity91.5 dB −0.6
No photo
PHL Audio1426
No current priceFs72 Hz +18%, worse
Qts0.26 −4%
Vas12.4 L –
BL10.3 T·m +3%
Xmax4 mm −20%, worse
Sensitivity94.1 dB +2, better
No photo
PHL Audio1426NDU
No current priceFs72 Hz +18%, worse
Qts0.26 −4%
Vas12.4 L –
BL10.3 T·m +3%
Xmax4 mm −20%, worse
Sensitivity94.1 dB +2, better
Oberton6B150
No current priceFs55 Hz −10%
Qts0.29 +8%
Vas14.6 L +16%, worse
BL10.1 T·m –
Xmax5.5 mm +10%, better
Sensitivity91 dB −1.1
Oberton6NB150
No current priceFs62 Hz –
Qts0.28 +4%
Vas9.3 L −26%, better
BL10.8 T·m +8%
Xmax5.5 mm +10%, better
Sensitivity90.8 dB −1.3
CIAREHSG160
No current priceFs37 Hz −39%, better
Qts0.27 –
Vas16.5 L +31%, worse
BL8 T·m −20%, worse
Xmax5.5 mm +10%, better
Sensitivity86.8 dB −5.3, worse
Acoustic EleganceTD6M-8
No current priceFs76 Hz +24%, worse
Qts0.27 –
Vas9.2 L −27%, better
BL10.6 T·m +6%
Xmax3 mm −40%, worse
Sensitivity93.5 dB +1.4
CelestionNTR06-17X
No current priceFs60 Hz –
Qts0.32 +19%, worse
Vas13.2 L +5%
BL10.4 T·m +4%
Xmax4.5 mm −10%, worse
Sensitivity91.4 dB −0.7
Beyma6CX200FE
No current priceFs65 Hz +7%
Qts0.32 +19%, worse
Vas10.5 L −16%, better
BL9.2 T·m −8%
Xmax5 mm –
Sensitivity91.3 dB −0.8
No photo
PHL Audio1343
No current priceFs40 Hz −34%, better
Qts0.28 +4%
Vas29.9 L +137%, worse
BL8.1 T·m −19%, worse
Xmax5 mm –
Sensitivity90.2 dB −1.9
No photo
PHL Audio1343NDU
No current priceFs40 Hz −34%, better
Qts0.28 +4%
Vas29.9 L +137%, worse
BL8.1 T·m −19%, worse
Xmax5 mm –
Sensitivity90.2 dB −1.9
Oberton6NMB200V
No current priceFs79 Hz +30%, worse
Qts0.27 –
Vas9.5 L −24%, better
BL15.2 T·m +52%, better
Xmax4.5 mm −10%, worse
Sensitivity94.3 dB +2.2, better
No photo
PHL Audio1362
No current priceFs39 Hz −36%, better
Qts0.28 +4%
Vas34.8 L +176%, worse
BL8.1 T·m −19%, worse
Xmax5 mm –
Sensitivity90.4 dB −1.7
No photo
PHL Audio1362NDU
No current priceFs39 Hz −36%, better
Qts0.28 +4%
Vas34.8 L +176%, worse
BL8.1 T·m −19%, worse
Xmax5 mm –
Sensitivity90.4 dB −1.7
WavecorWF152BD06
No current priceFs45 Hz −27%, better
Qts0.29 +7%
Vas11.5 L −9%
BL6.3 T·m −37%, worse
Xmax4.5 mm −10%, worse
Sensitivity87.3 dB −4.8, worse
WavecorWF152BD14
No current priceFs45 Hz −27%, better
Qts0.29 +7%
Vas11.5 L −9%
BL6.3 T·m −37%, worse
Xmax4.5 mm −10%, worse
Sensitivity87.3 dB −4.8, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.8 out of 56 ratings · Checked 26 Oct 2026Read reviews on Thomann
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £110.59, the lowest price | Stock not listed | Visit shop at Lean Business | |
Thomann | £127.00 | 15% above the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 2 Apr
Recent changes
- 19 OctThomann£128.00 → £127.00Down 0.8% from £128.00
- 11 OctThomann£129.00 → £128.00Down 0.8% from £129.00
- 3 OctThomann£130.00 → £129.00Down 0.8% from £130.00