Eighteen Sound design
8" COMPACT LINE ARRAY with AMT
- Drivers
- 2 × 8NTLW2000, 8 Ω
8-inch LF driver · 350 W
Eighteen Sound 8NTLW2000 8Ω
70–4500 Hz
£145.52
SteadyLean Audio · 2 in stock · All 3 offers
- Fs
- 71Hz
- Xmax
- 4.4mm
- SPL
- 96dB
- Pe
- 350W
- BL
- 17.5T·m
- Vd
- 100cm³
- Qts
- 0.21
- 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
172 plotted pointsMedium confidence2,086 selected pixels of 2,649
Published graphs
Eighteen Sound 8NTLW2000 is an 8-inch 8 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 71 Hz, Qts 0.21, Vas 13 L, Xmax 4.4 mm, sensitivity 95.5 dB, plus 100 cm³ Vd and 338 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 £137.32.
The published T/S values agree with each other
Thiele/Small
- Fs
- 71Hz
- Qts
- 0.21
- Qes
- 0.21
- Qms
- 8.1
- Vas
- 13L
- Re
- 5.2Ω
- Le
- 0.63mH
Motor and cone
- BL
- 17.5T·m
- Sd
- 227cm²
- Mms
- 28g
- Xmax
- 4.4mm
- Vd †
- 100cm³
Power and response
- Sensitivity †
- 95.5dB
- Manufacturer sensitivity
- 97.5dB
- Power
- 350W
- Nominal power
- 350W
- Impedance
- 8Ω
- Range
- 70–4500Hz
- EBP †
- 338 · Leans vented
Size and mounting
- Diameter
- 210mm
- Cutout
- 186mm
- Bolt circle
- 196mm
- Depth
- 121mm
- Weight
- 1.5kg
Other published values
- Power Program
- 700
Sensitivity shows 95.5 dB, calculated from the T/S values. Eighteen Sound publishes 97.5 dB, 2.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 8″
- BL
- 17.5T·m
- Fs
- 71Hz
- Le
- 0.63mH
- Re
- 5.2Ω
- Sd
- 227cm²
- Mms
- 28g
- Qes
- 0.21
- Qms
- 8.1
- Qts
- 0.21
- SPL
- 95.5dB
- Vas
- 13L
- Xmax
- 4.4mm
- Power
- 350W
- Impedance
- 8Ω
- Sensitivity
- 97.5dB
- Low limit
- 70Hz
- Nominal power
- 350W
- Power Program
- 700
- Calculated sensitivity †
- 95.5dB
- High limit
- 4500Hz
- Manufacturer sensitivity
- 97.5dB
- Weight
- 1.5kg
- Diameter
- 210mm
- Depth
- 121mm
- Cutout
- 186mm
- Bolt circle
- 196mm
02
Designs
Cabinets for the 8NTLW2000: a design and a suggested box from Eighteen Sound.
All 8NTLW2000 designsHow we find designsEighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 8NTLW2000 page
- Net volume
- 15L
- Tuning
- 100Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 8NTLW2000. Clear differences are green when better and red when worse.
This driver8NTLW2000
Best price
£137.32
Fs
71 Hz
Qts
0.21
Vas
13 L
BL
17.5 T·m
Xmax
4.4 mm
Sensitivity
95.5 dB
Power
350 W
CIAREFXI8
£67.65 · 51% less, betterFs81 Hz +14%, worse
Qts0.29 +38%, worse
Vas13 L –
BL13.3 T·m −24%, worse
Xmax4.5 mm –
Sensitivity95.4 dB –
LavoceMAF082.00
£74.52 · 46% less, betterFs85 Hz +20%, worse
Qts0.20 −5%
Vas11.3 L −13%, better
BL17.2 T·m –
Xmax2.6 mm −41%, worse
Sensitivity97 dB +1.5
B&C8PE21
£95.00 · 31% less, betterFs87 Hz +23%, worse
Qts0.19 −10%
Vas13 L –
BL16.6 T·m −5%
Xmax2.5 mm −43%, worse
Sensitivity98.3 dB +2.8, better
CIARENDI8
£103.24 · 25% less, betterFs81 Hz +14%, worse
Qts0.33 +57%, worse
Vas13 L –
BL12.8 T·m −27%, worse
Xmax4.5 mm –
Sensitivity94.9 dB −0.6
B&C8FW51
£116.87 · 15% less, betterFs74 Hz +4%
Qts0.21 –
Vas12 L −8%
BL17.7 T·m –
Xmax6 mm +36%, better
Sensitivity95.7 dB –
B&C8NW51
£120.85 · 12% less, betterFs74 Hz +4%
Qts0.17 −19%, better
Vas11 L −15%, better
BL18.9 T·m +8%
Xmax6 mm +36%, better
Sensitivity95.7 dB –
B&C8NDL64
£122.00 · 11% less, betterFs80 Hz +13%, worse
Qts0.25 +19%, worse
Vas9.6 L −26%, better
BL17.5 T·m –
Xmax4.5 mm –
Sensitivity95 dB −0.5
B&C8MDN51
£136.46 · Same priceFs70 Hz –
Qts0.20 −5%
Vas16 L +23%, worse
BL15.3 T·m −13%, worse
Xmax6 mm +36%, better
Sensitivity96.2 dB +0.7
BMS8S215
£137.66 · Same priceFs88 Hz +24%, worse
Qts0.31 +48%, worse
Vas11.0 L −15%, better
BL13.6 T·m −22%, worse
Xmax4.3 mm −3%
Sensitivity95.6 dB –
CelestionFTX0820
£139.00 · 1% moreFs79 Hz +11%, worse
Qts0.28 +33%, worse
Vas13.1 L –
BL14.6 T·m −17%, worse
Xmax4 mm −9%
Sensitivity95.2 dB –
LavoceWAN082.02
£147.03 · 7% more, worseFs80 Hz +13%, worse
Qts0.23 +10%
Vas9.0 L −31%, better
BL17.8 T·m –
Xmax5.8 mm +32%, better
Sensitivity94.7 dB −0.8
RCFMB8N251
£149.04 · 9% more, worseFs68 Hz −4%
Qts0.25 +19%, worse
Vas13 L –
BL15.2 T·m −13%, worse
Xmax5 mm +14%, better
Sensitivity94 dB −1.5
Sica8 K 3 PL
£158.25 · 15% more, worseFs68 Hz −4%
Qts0.25 +19%, worse
Vas12.2 L −6%
BL16.1 T·m −8%
Xmax5 mm +14%, better
Sensitivity93.6 dB −1.9
Beyma8MC500ND
£159.93 · 16% more, worseFs69 Hz –
Qts0.18 −14%, better
Vas15.9 L +22%, worse
BL16.7 T·m −5%
Xmax5 mm +14%, better
Sensitivity96.4 dB +0.9
Eighteen Sound8NTLS2000
£162.28 · 18% more, worseFs41 Hz −42%, better
Qts0.19 −10%
Vas27 L +108%, worse
BL17.2 T·m –
Xmax7.4 mm +68%, better
Sensitivity91.9 dB −3.6, worse
Beyma8MC300ND
£175.84 · 28% more, worseFs62 Hz −13%, better
Qts0.22 +5%
Vas18 L +38%, worse
BL16 T·m −9%
Xmax6 mm +36%, better
Sensitivity94.6 dB −0.9
AccutonC173-6-096
£837.27 · 510% more, worseFs50 Hz −30%, better
Qts0.22 +5%
Vas17.0 L +31%, worse
BL11.4 T·m −35%, worse
Xmax5 mm +14%, better
Sensitivity91.5 dB −4, worse
LavoceWAF082.01
No current priceFs76 Hz +7%
Qts0.21 –
Vas10.2 L −21%, better
BL17.9 T·m –
Xmax5.8 mm +32%, better
Sensitivity95.1 dB –
CelestionNTR08-2009D
No current priceFs71 Hz –
Qts0.21 –
Vas11.7 L −10%, better
BL18.0 T·m +3%
Xmax6.5 mm +48%, better
Sensitivity94.6 dB −0.9
Oberton8MVCX (8NMB250VCX)
No current priceFs85 Hz +20%, worse
Qts0.16 −22%, better
Vas10.7 L −18%, better
BL17.8 T·m –
Xmax4.3 mm −3%
Sensitivity98 dB +2.5, better
B&C8CLA64
No current priceFs71 Hz –
Qts0.24 +14%, worse
Vas12.5 L −4%
BL16.4 T·m −6%
Xmax5.3 mm +20%, better
Sensitivity94.6 dB −0.9
No photo
PHL Audio2513NDU
No current priceFs70 Hz –
Qts0.23 +10%
Vas12.5 L −4%
BL24 T·m +37%, better
Xmax4 mm −9%
Sensitivity94.5 dB −1
Oberton8M250
No current priceFs74 Hz +5%
Qts0.20 −4%
Vas15.6 L +20%, worse
BL13.7 T·m −22%, worse
Xmax2.8 mm −38%, worse
Sensitivity97 dB +1.5
No photo
PHL Audio2513NDS
No current priceFs71 Hz –
Qts0.18 −14%, better
Vas12.2 L −6%
BL27.5 T·m +57%, better
Xmax4 mm −9%
Sensitivity95.6 dB –
No photo
PHL Audio2510
No current priceFs72 Hz –
Qts0.24 +14%, worse
Vas13.3 L –
BL23 T·m +31%, better
Xmax4 mm −9%
Sensitivity95 dB −0.5
Oberton8NB201
No current priceFs71 Hz –
Qts0.24 +17%, worse
Vas12.5 L −4%
BL14.4 T·m −18%, worse
Xmax5.3 mm +19%, better
Sensitivity94.4 dB −1.1
Oberton8NMB250V4
No current priceFs82 Hz +16%, worse
Qts0.26 +23%, worse
Vas10.9 L −16%, better
BL14.3 T·m −19%, worse
Xmax4.5 mm –
Sensitivity95.5 dB –
REDCATT81NPM-2
No current priceFs69 Hz –
Qts0.28 +33%, worse
Vas10.3 L −21%, better
BL19.3 T·m +10%, better
Xmax4.0 mm −8%
Sensitivity92.7 dB −2.8, worse
Oberton8NM250V2
No current priceFs68 Hz −5%
Qts0.25 +20%, worse
Vas8.4 L −35%, better
BL21.3 T·m +21%, better
Xmax4 mm −9%
Sensitivity92.1 dB −3.4, worse
PRV Audio8MR600X-NDY
No current priceFs88 Hz +23%, worse
Qts0.29 +38%, worse
Vas12.6 L −3%
BL15.2 T·m −13%, worse
Xmax3.8 mm −15%, worse
Sensitivity96.5 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 |
|---|---|---|---|---|
Lean Audio | £145.52, the lowest price | 2 in stock | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr