- Net volume
- 220L
- Tuning
- 35Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
18-inch LF driver · 1,200 W
Eighteen Sound 18NLW9400 4Ω
30–2500 Hz
No price for delivery to the UK
- Fs
- 32Hz
- Xmax
- 9.5mm
- SPL
- 98dB
- Pe
- 1200W
- BL
- 20.5T·m
- Vd
- 1164cm³
- Qts
- 0.22
- Vas
- 278L
Published graphs
Eighteen Sound 18NLW9400 is an 18-inch 4 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 32 Hz, Qts 0.22, Vas 278 L, Xmax 9.5 mm, sensitivity 98 dB, plus 1164 cm³ Vd and 139 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 £305.06.
The published T/S values agree with each other
Thiele/Small
- Fs
- 32Hz
- Qts
- 0.22
- Qes
- 0.23
- Qms
- 6.1
- Vas
- 278L
- Re
- 2.6Ω
- Le
- 1.25mH
Motor and cone
- BL
- 20.5T·m
- Sd
- 1225cm²
- Mms
- 185g
- Xmax
- 9.5mm
- Vd †
- 1164cm³
Power and response
- Sensitivity †
- 98dB
- Manufacturer sensitivity
- 98dB
- Power
- 1200W
- Nominal power
- 1200W
- Impedance
- 4Ω
- Range
- 30–2500Hz
- EBP †
- 139 · Leans vented
Size and mounting
- Diameter
- 462mm
- Cutout
- 416mm
- Bolt circle
- 438mm
- Depth
- 223mm
- Weight
- 8.7kg
Other published values
- Power Program
- 2400
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 18″
- BL
- 20.5T·m
- Fs
- 32Hz
- Le
- 1.25mH
- Re
- 2.6Ω
- Sd
- 1225cm²
- Mms
- 185g
- Qes
- 0.23
- Qms
- 6.1
- Qts
- 0.22
- SPL
- 98dB
- Vas
- 278L
- Xmax
- 9.5mm
- Power
- 1200W
- Impedance
- 4Ω
- Sensitivity
- 98dB
- Low limit
- 30Hz
- Nominal power
- 1200W
- Power Program
- 2400
- Calculated sensitivity †
- 98dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 98dB
- Weight
- 8.7kg
- Diameter
- 462mm
- Depth
- 223mm
- Cutout
- 416mm
- Bolt circle
- 438mm
02
Designs
Cabinets for the 18NLW9400: a suggested box from Eighteen Sound and plans builders have published.
All 18NLW9400 designsHow we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 18NLW9400 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
Plans from builders
Links to published plans that name this driver
The designer suggests it for 1,000–1,500 W per driver
03
Compare
Same-size drivers, compared with the 18NLW9400. Clear differences are green when better and red when worse.
This driver18NLW9400
Best price
£305.06
Fs
32 Hz
Qts
0.22
Vas
278 L
BL
20.5 T·m
Xmax
9.5 mm
Sensitivity
98 dB
Power
1200 W
SB AudienceBIANCO-18SW500
£151.79 · 50% less, betterFs30 Hz −6%
Qts0.52 +136%, worse
Vas334.8 L +20%, worse
BL19.8 T·m −3%
Xmax9.2 mm −3%
Sensitivity94.3 dB −3.7, worse
REDCATT182FIND
£198.91 · 35% less, betterFs31 Hz −3%
Qts0.23 +5%
Vas208.6 L −25%, better
BL35.4 T·m +73%, better
Xmax5.8 mm −39%, worse
Sensitivity96.2 dB −1.8
FaitalPRO18FH510
£216.48 · 29% less, betterFs30 Hz −6%
Qts0.26 +18%, worse
Vas391.4 L +41%, worse
BL18.3 T·m −11%, worse
Xmax9.4 mm –
Sensitivity98 dB –
B&C18PZB100
£234.00 · 23% less, betterFs30 Hz −6%
Qts0.24 +9%
Vas297 L +7%
BL26 T·m +27%, better
Xmax8 mm −16%, worse
Sensitivity97.1 dB −0.9
B&C18NW100
£234.45 · 23% less, betterFs30 Hz −6%
Qts0.27 +23%, worse
Vas203.5 L −27%, better
BL24.7 T·m +20%, better
Xmax9 mm −5%
Sensitivity95 dB −3, worse
B&C18TBX100
£234.85 · 23% less, betterFs30 Hz −6%
Qts0.31 +41%, worse
Vas256 L −8%
BL22 T·m +7%
Xmax9 mm −5%
Sensitivity95.2 dB −2.8, worse
FaitalPRO18HP1010
£246.55 · 19% less, betterFs35 Hz +9%
Qts0.31 +41%, worse
Vas225.9 L −19%, better
BL18.4 T·m −10%, worse
Xmax9.8 mm –
Sensitivity96.8 dB −1.2
RCFLF18G401
£252.42 · 17% less, betterFs33 Hz +3%
Qts0.29 +32%, worse
Vas268 L −4%
BL24.6 T·m +20%, better
Xmax9 mm −5%
Sensitivity97.1 dB −0.9
Eighteen Sound18W1001
£254.65 · 17% less, betterFs35 Hz +9%
Qts0.23 +5%
Vas268 L −4%
BL27.6 T·m +35%, better
Xmax7 mm −26%, worse
Sensitivity98.8 dB +0.8
Eighteen Sound18LW2400
£272.63 · 11% less, betterFs33 Hz +3%
Qts0.32 +45%, worse
Vas235 L −15%, better
BL18 T·m −12%, worse
Xmax9.5 mm –
Sensitivity96.1 dB −1.9
CIARENDH18-4S
£291.62 · 4% lessFs31 Hz −3%
Qts0.25 +14%, worse
Vas240 L −14%, better
BL22.2 T·m +8%
Xmax11.5 mm +21%, better
Sensitivity96.6 dB −1.4
Oberton18XB1500V2
£349.00 · 14% more, worseFs36 Hz +12%, worse
Qts0.23 –
Vas192.5 L −31%, better
BL31.6 T·m +54%, better
Xmax11 mm +16%, better
Sensitivity97.9 dB –
RCFLF18N401
£358.55 · 18% more, worseFs32 Hz –
Qts0.26 +18%, worse
Vas257 L −8%
BL27.8 T·m +36%, better
Xmax9 mm −5%
Sensitivity97 dB −1
Precision DevicesPD.185C003
£359.00 · 18% more, worseFs33 Hz +3%
Qts0.24 +9%
Vas224 L −19%, better
BL31.5 T·m +54%, better
Xmax11 mm +16%, better
Sensitivity97.5 dB −0.5
RCFLF18N451
£375.00 · 23% more, worseFs31 Hz −3%
Qts0.24 +9%
Vas245 L −12%, better
BL30.2 T·m +47%, better
Xmax9 mm −5%
Sensitivity96.7 dB −1.3
Precision DevicesPD.1850/3
£399.00 · 31% more, worseFs33 Hz +4%
Qts0.24 +9%
Vas203.8 L −27%, better
BL31.0 T·m +51%, better
Xmax11.1 mm +16%, better
Sensitivity96.9 dB −1.1
CIAREPW455
No current priceFs35 Hz +9%
Qts0.24 +9%
Vas236 L −15%, better
BL21.8 T·m +6%
Xmax8.5 mm −11%, worse
Sensitivity98.3 dB –
Radian Audio2218NEO-8
No current priceFs30 Hz −6%
Qts0.23 +5%
Vas312 L +12%, worse
BL33 T·m +61%, better
Xmax9 mm −5%
Sensitivity97.3 dB −0.7
Eighteen Sound18NLW9000
No current priceFs32 Hz –
Qts0.21 −5%
Vas247 L −11%, better
BL25 T·m +22%, better
Xmax14 mm +47%, better
Sensitivity97.7 dB –
Eighteen Sound18LW1251
No current priceFs35 Hz +9%
Qts0.27 +23%, worse
Vas268 L −4%
BL23.6 T·m +15%, better
Xmax9 mm −5%
Sensitivity98.2 dB –
Precision DevicesPD.184C002
No current priceFs40 Hz +25%, worse
Qts0.34 +55%, worse
Vas268 L −4%
BL21 T·m –
Xmax9.7 mm –
Sensitivity98.8 dB +0.8
PRV Audio18SW2000
No current priceFs32 Hz –
Qts0.45 +105%, worse
Vas289.9 L +4%
BL22.1 T·m +8%
Xmax9.6 mm –
Sensitivity95.2 dB −2.8, worse
Oberton18B500
No current priceFs35 Hz +9%
Qts0.28 +25%, worse
Vas243.9 L −12%, better
BL24.1 T·m +17%, better
Xmax8.8 mm −8%
Sensitivity97.7 dB –
Precision DevicesPD.185C001
No current priceFs32 Hz –
Qts0.40 +83%, worse
Vas302 L +9%
BL21 T·m –
Xmax10.5 mm +11%, better
Sensitivity95.7 dB −2.3, worse
RCFLF18G908
No current priceFs33 Hz +3%
Qts0.29 +32%, worse
Vas268 L −4%
BL24.6 T·m +20%, better
Xmax9 mm −5%
Sensitivity97.1 dB −0.9
Eighteen Sound18LW2420
No current priceFs34 Hz +6%
Qts0.31 +41%, worse
Vas208 L −25%, better
BL20.2 T·m –
Xmax10 mm +5%
Sensitivity96.1 dB −1.9
CelestionERPROX18E
No current priceFs32 Hz –
Qts0.43 +98%, worse
Vas246.2 L −11%, better
BL23.7 T·m +15%, better
Xmax9.5 mm –
Sensitivity94.4 dB −3.6, worse
Oberton18B35
No current priceFs32 Hz –
Qts0.32 +47%, worse
Vas333.6 L +20%, worse
BL19.3 T·m −6%
Xmax9 mm −5%
Sensitivity97 dB −1
Oberton18NSW700
No current priceFs30 Hz −5%
Qts0.24 +10%, worse
Vas309.0 L +11%, worse
BL26.6 T·m +30%, better
Xmax14 mm +47%, better
Sensitivity97.5 dB −0.5
Eighteen Sound18W1300
No current priceFs35 Hz +9%
Qts0.33 +50%, worse
Vas336 L +21%, worse
BL20.4 T·m –
Xmax8.5 mm −11%, worse
Sensitivity98.2 dB –
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 | £456.21 | Back order | Visit shop at Lean Audio |