Eighteen Sound design
Manifolded 2x18” band-pass subwoofer
- Drivers
- 18NLW960118NLW9600
18-inch LF driver · 1,800 W
Eighteen Sound 18NLW9601 4Ω
30–2300 Hz
£630.91
SteadyLean Audio · In stock · All 5 offers
- Fs
- 38Hz
- Xmax
- 14mm
- SPL
- 95dB
- Pe
- 1800W
- BL
- 25T·m
- Vd
- 1813cm³
- Qts
- 0.28
- Vas
- 111L
Published graphs
Eighteen Sound 18NLW9601 is an 18-inch 4 ohm LF driver rated at 1800 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.28, Vas 111 L, Xmax 14 mm, sensitivity 95.3 dB, plus 1813 cm³ Vd and 131 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 £542.42.
The published T/S values agree with each other
Thiele/Small
- Fs
- 38Hz
- Qts
- 0.28
- Qes
- 0.29
- Qms
- 6
- Vas
- 111L
- Re
- 2.7Ω
- Le
- 1.53mH
Motor and cone
- BL
- 25T·m
- Sd
- 1295cm²
- Mms
- 255g
- Xmax
- 14mm
- Vd †
- 1813cm³
Power and response
- Sensitivity †
- 95.3dB
- Manufacturer sensitivity
- 96dB
- Power
- 1800W
- Nominal power
- 1800W
- Impedance
- 4Ω
- Range
- 30–2300Hz
- EBP †
- 131 · Leans vented
Size and mounting
- Diameter
- 462mm
- Cutout
- 416mm
- Bolt circle
- 440mm
- Depth
- 236mm
- Weight
- 12.8kg
Other published values
- Power Program
- 3600
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 18″
- BL
- 25T·m
- Fs
- 38Hz
- Le
- 1.53mH
- Re
- 2.7Ω
- Sd
- 1295cm²
- Mms
- 255g
- Qes
- 0.29
- Qms
- 6
- Qts
- 0.28
- SPL
- 95.3dB
- Vas
- 111L
- Xmax
- 14mm
- Power
- 1800W
- Impedance
- 4Ω
- Sensitivity
- 96dB
- Low limit
- 30Hz
- Nominal power
- 1800W
- Power Program
- 3600
- Calculated sensitivity †
- 95.3dB
- High limit
- 2300Hz
- Manufacturer sensitivity
- 96dB
- Weight
- 12.8kg
- Diameter
- 462mm
- Depth
- 236mm
- Cutout
- 416mm
- Bolt circle
- 440mm
02
Designs
Cabinets for the 18NLW9601: a design and a suggested box from Eighteen Sound.
All 18NLW9601 designsHow we find designsEighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 18NLW9601 page
- Net volume
- 200L
- Tuning
- 40Hz
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 18NLW9601. Clear differences are green when better and red when worse.
This driver18NLW9601
Best price
£542.42
Fs
38 Hz
Qts
0.28
Vas
111 L
BL
25 T·m
Xmax
14 mm
Sensitivity
95.3 dB
Power
1800 W
B&C18PS76
£162.77 · 70% less, betterFs39 Hz –
Qts0.27 −4%
Vas207 L +86%, worse
BL25.8 T·m +3%
Xmax7 mm −50%, worse
Sensitivity98.3 dB +3, better
B&C18NW100
£234.45 · 57% less, betterFs30 Hz −21%, better
Qts0.27 −4%
Vas203.5 L +83%, worse
BL24.7 T·m –
Xmax9 mm −36%, worse
Sensitivity95 dB –
B&C18PZB100
£238.00 · 56% less, betterFs38 Hz –
Qts0.28 –
Vas164 L +48%, worse
BL25 T·m –
Xmax8 mm −43%, worse
Sensitivity96.9 dB +1.6
RCFLF18G401
£252.42 · 53% less, betterFs33 Hz −13%, better
Qts0.29 +4%
Vas268 L +141%, worse
BL24.6 T·m –
Xmax9 mm −36%, worse
Sensitivity97.1 dB +1.8
RCFL18P400
£289.00 · 47% less, betterFs29 Hz −24%, better
Qts0.28 –
Vas340 L +206%, worse
BL24.6 T·m –
Xmax9 mm −36%, worse
Sensitivity96.6 dB +1.3
RCFLF18X401
£289.00 · 47% less, betterFs30 Hz −21%, better
Qts0.30 +7%
Vas274 L +147%, worse
BL26.5 T·m +6%
Xmax12 mm −14%, worse
Sensitivity95.8 dB +0.5
Eighteen Sound18LW2600
£296.70 · 45% less, betterFs30 Hz −21%, better
Qts0.28 –
Vas186 L +68%, worse
BL23.4 T·m −6%
Xmax14 mm –
Sensitivity94.4 dB −0.9
Oberton18XB1301DS
£322.78 · 40% less, betterFs36 Hz −6%
Qts0.30 +8%
Vas172.9 L +56%, worse
BL26.9 T·m +7%
Xmax12 mm −14%, worse
Sensitivity96 dB +0.7
RCFLF18N405
£325.54 · 40% less, betterFs30 Hz −21%, better
Qts0.32 +14%, worse
Vas227 L +105%, worse
BL26.5 T·m +6%
Xmax14 mm –
Sensitivity94.6 dB −0.7
RCFLF18X451
£360.00 · 34% less, betterFs30 Hz −21%, better
Qts0.28 –
Vas220 L +98%, worse
BL30.5 T·m +22%, better
Xmax14 mm –
Sensitivity95.1 dB –
Eighteen Sound18NLW4100
£371.08 · 32% less, betterFs29 Hz −24%, better
Qts0.27 −4%
Vas207 L +86%, worse
BL22.8 T·m −9%
Xmax15 mm +7%
Sensitivity94.6 dB −0.7
CelestionTSQ1845
£380.28 · 30% less, betterFs35 Hz −8%
Qts0.29 +4%
Vas119.3 L +7%
BL33.8 T·m +35%, better
Xmax15 mm +7%
Sensitivity94.3 dB −1
Oberton18XB1600V2
£388.58 · 28% less, betterFs33 Hz −14%, better
Qts0.28 –
Vas267 L +141%, worse
BL29.6 T·m +18%, better
Xmax12.5 mm −11%, worse
Sensitivity97.1 dB +1.8
B&C18SW115
£425.41 · 22% less, betterFs34 Hz −11%, better
Qts0.30 +7%
Vas149.1 L +34%, worse
BL26 T·m +4%
Xmax14 mm –
Sensitivity94.8 dB −0.5
B&C18DS100
£455.18 · 16% less, betterFs32 Hz −16%, better
Qts0.24 −14%, better
Vas157 L +41%, worse
BL24.3 T·m –
Xmax14 mm –
Sensitivity95.3 dB –
FaitalPRO18XL1700
£468.00 · 14% less, betterFs28 Hz −26%, better
Qts0.28 –
Vas227 L +105%, worse
BL30.5 T·m +22%, better
Xmax16.2 mm +16%, better
Sensitivity94.4 dB −0.9
Eighteen Sound18NLW4500
£468.03 · 14% less, betterFs37 Hz –
Qts0.31 +11%, worse
Vas127 L +14%, worse
BL26.7 T·m +7%
Xmax14.8 mm +5%
Sensitivity95.1 dB –
Eighteen Sound18NTLW5000
£550.00 · 1% moreFs32 Hz −16%, better
Qts0.30 +7%
Vas165 L +49%, worse
BL25 T·m –
Xmax17.5 mm +25%, better
Sensitivity94.4 dB −0.9
Precision DevicesPD.185NR1
No current priceFs34 Hz −11%, better
Qts0.27 −4%
Vas102 L −8%
BL29.5 T·m +18%, better
Xmax11.8 mm −16%, worse
Sensitivity93.4 dB −1.9
Eighteen Sound18ID
No current priceFs40 Hz +5%
Qts0.26 −7%
Vas67 L −40%, better
BL24 T·m −4%
Xmax15.5 mm +11%, better
Sensitivity94 dB −1.3
Oberton18NXB1601
No current priceFs35 Hz −9%
Qts0.29 –
Vas146.2 L +32%, worse
BL30.5 T·m +22%, better
Xmax12.5 mm −11%, worse
Sensitivity95.1 dB –
Precision DevicesPD.184NR1
No current priceFs38 Hz –
Qts0.27 −4%
Vas102 L −8%
BL29.5 T·m +18%, better
Xmax8.5 mm −39%, worse
Sensitivity94.9 dB –
Oberton18NXB1200
No current priceFs36 Hz −6%
Qts0.28 –
Vas159.6 L +44%, worse
BL29.4 T·m +17%, better
Xmax11.5 mm −18%, worse
Sensitivity96 dB +0.7
Oberton18NSW700
No current priceFs30 Hz −20%, better
Qts0.24 −13%, better
Vas309.0 L +178%, worse
BL26.6 T·m +7%
Xmax14 mm –
Sensitivity97.5 dB +2.2, better
No photo
RCFLF18Y402
No current priceFs30 Hz −21%, better
Qts0.30 +7%
Vas274 L +147%, worse
BL26.5 T·m +6%
Xmax12 mm −14%, worse
Sensitivity95.8 dB +0.5
VAS Audio18-1700NC
No current priceFs32 Hz −16%, better
Qts0.28 –
Vas178 L +60%, worse
BL34.4 T·m +38%, better
Xmax13.5 mm −4%
Sensitivity95.1 dB –
Oberton18B500
No current priceFs35 Hz −8%
Qts0.28 –
Vas243.9 L +120%, worse
BL24.1 T·m −4%
Xmax8.8 mm −38%, worse
Sensitivity97.7 dB +2.4, better
Oberton18FBR700
No current priceFs36 Hz −6%
Qts0.27 −3%
Vas231.3 L +108%, worse
BL25.2 T·m –
Xmax8 mm −43%, worse
Sensitivity97.8 dB +2.5, better
Oberton18NXB1600
No current priceFs32 Hz −15%, better
Qts0.30 +8%
Vas173.1 L +56%, worse
BL29.6 T·m +18%, better
Xmax13.5 mm −4%
Sensitivity94.5 dB −0.8
RCFLF18G908
No current priceFs33 Hz −13%, better
Qts0.29 +4%
Vas268 L +141%, worse
BL24.6 T·m –
Xmax9 mm −36%, worse
Sensitivity97.1 dB +1.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.5 out of 52 ratings · Checked 4 Nov 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 Audio | £630.91, the lowest price | In stock | Visit shop at Lean Audio | |
Lean Business | £630.91 | Stock not listed | Visit shop at Lean Business | |
Thomann | £635.00 | 0.6% above the lowest price | In stock | Visit shop at Thomann |
Best price over time
Tracked since 1 Apr
Recent changes
- 4 NovThomann£639.00 → £635.00Down 0.6% from £639.00
- 27 OctThomann£643.00 → £639.00Down 0.6% from £643.00
- 19 OctThomann£645.00 → £643.00Down 0.3% from £645.00