Eighteen Sound design
2x18" subwoofer
- Drivers
- 18TLW3000or 18LW2420or 18LW2600or 18LW4100
18-inch LF driver · 1,300 W
Eighteen Sound 18LW2420 8Ω
35–2500 Hz
£279.00
SteadyLean Business · All 3 offers
- Fs
- 32Hz
- Xmax
- 10mm
- SPL
- 96dB
- Pe
- 1300W
- BL
- 25.3T·m
- Vd
- 1225cm³
- Qts
- 0.33
- Vas
- 252L
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 confidence1,108 selected pixels of 1,796
Published graphs
Eighteen Sound 18LW2420 is an 18-inch 8 ohm LF driver rated at 1300 W RMS. The validated T/S data includes Fs 32 Hz, Qts 0.33, Vas 252 L, Xmax 10 mm, sensitivity 95.8 dB, plus 1225 cm³ Vd and 91 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 £279.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 32Hz
- Qts
- 0.33
- Qes
- 0.35
- Qms
- 10.5
- Vas
- 252L
- Re
- 5.3Ω
- Le
- 1.90mH
Motor and cone
- BL
- 25.3T·m
- Sd
- 1225cm²
- Mms
- 206g
- Xmax
- 10mm
- Vd †
- 1225cm³
Power and response
- Sensitivity †
- 95.8dB
- Manufacturer sensitivity
- 98dB
- Power
- 1300W
- Nominal power
- 1300W
- Impedance
- 8Ω
- Range
- 35–2500Hz
- EBP †
- 91 · Sealed or vented
Size and mounting
- Diameter
- 462mm
- Cutout
- 422mm
- Bolt circle
- 440mm
- Depth
- 215mm
- Weight
- 12.4kg
Other published values
- Power Program
- 2600
Sensitivity shows 95.8 dB, calculated from the T/S values. Eighteen Sound publishes 98.0 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 18″
- BL
- 25.3T·m
- Fs
- 32Hz
- Le
- 1.90mH
- Re
- 5.3Ω
- Sd
- 1225cm²
- Mms
- 206g
- Qes
- 0.35
- Qms
- 10.5
- Qts
- 0.33
- SPL
- 95.8dB
- Vas
- 252L
- Xmax
- 10mm
- Power
- 1300W
- Impedance
- 8Ω
- Sensitivity
- 98dB
- Low limit
- 35Hz
- Nominal power
- 1300W
- Power Program
- 2600
- Calculated sensitivity †
- 95.8dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 98dB
- Weight
- 12.4kg
- Diameter
- 462mm
- Depth
- 215mm
- Cutout
- 422mm
- Bolt circle
- 440mm
02
Designs
Cabinets for the 18LW2420: a design and a suggested box from Eighteen Sound.
All 18LW2420 designsHow we find designsEighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 18LW2420 page
- Net volume
- 220L
- Tuning
- 37Hz
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 18LW2420. Clear differences are green when better and red when worse.
This driver18LW2420
Best price
£279.00
Fs
32 Hz
Qts
0.33
Vas
252 L
BL
25.3 T·m
Xmax
10 mm
Sensitivity
95.8 dB
Power
1300 W
B&C18TBX100
£184.81 · 34% less, betterFs34 Hz +6%
Qts0.35 +6%
Vas212 L −16%, better
BL25.5 T·m –
Xmax9 mm −10%, worse
Sensitivity95.6 dB –
RCFL18P300
£225.00 · 19% less, betterFs33 Hz +3%
Qts0.33 –
Vas226 L −10%, better
BL23.5 T·m −7%
Xmax8 mm −20%, worse
Sensitivity95.8 dB –
Beyma18LEX1000FE
£225.00 · 19% less, betterFs34 Hz +6%
Qts0.38 +15%, worse
Vas250 L –
BL23.8 T·m −6%
Xmax11 mm +10%, better
Sensitivity96 dB –
B&C18RBX100
£226.58 · 19% less, betterFs40 Hz +25%, worse
Qts0.34 +3%
Vas220 L −13%, better
BL25.1 T·m –
Xmax10 mm –
Sensitivity98 dB +2.2, better
Beyma18P1000FEV2S
£249.00 · 11% less, betterFs33 Hz +3%
Qts0.32 −3%
Vas230 L −9%
BL26.8 T·m +6%
Xmax8 mm −20%, worse
Sensitivity96 dB –
RCFLF18G401
£252.42 · 10% less, betterFs33 Hz +3%
Qts0.29 −12%, better
Vas268 L +6%
BL24.6 T·m –
Xmax9 mm −10%, worse
Sensitivity97.1 dB +1.3
B&C18NBX100
£262.92 · 6% less, betterFs35 Hz +9%
Qts0.38 +15%, worse
Vas198 L −21%, better
BL24.8 T·m –
Xmax10 mm –
Sensitivity95.3 dB −0.5
FaitalPRO18HP1022
£266.26 · 5% lessFs35 Hz +9%
Qts0.30 −9%
Vas204.9 L −19%, better
BL28 T·m +11%, better
Xmax9.5 mm −5%
Sensitivity96.6 dB +0.8
Eighteen Sound18LW2400
£272.63 · 2% lessFs35 Hz +9%
Qts0.31 −6%
Vas230 L −9%
BL25.6 T·m –
Xmax9.5 mm −5%
Sensitivity96.9 dB +1.1
Eighteen Sound18LW1400
£274.64 · 2% lessFs31 Hz −3%
Qts0.29 −12%, better
Vas297 L +18%, worse
BL24.7 T·m –
Xmax9 mm −10%, worse
Sensitivity96.6 dB +0.8
Beyma18LEX1200ND
£279.79 · Same priceFs36 Hz +13%, worse
Qts0.33 –
Vas219 L −13%, better
BL26.4 T·m +4%
Xmax11 mm +10%, better
Sensitivity96.7 dB +0.9
FaneCOLOSSUS 18SB
£280.00 · Same priceFs36 Hz +13%, worse
Qts0.35 +5%
Vas199 L −21%, better
BL24 T·m −5%
Xmax8.3 mm −18%, worse
Sensitivity96.1 dB –
RCFLF18X401
£289.00 · 4% moreFs30 Hz −6%
Qts0.30 −9%
Vas274 L +9%
BL26.5 T·m +5%
Xmax12 mm +20%, better
Sensitivity95.8 dB –
CIARENDH18-4S
£291.62 · 5% moreFs31 Hz −3%
Qts0.32 −3%
Vas239 L −5%
BL27.7 T·m +9%
Xmax11.5 mm +15%, better
Sensitivity95.4 dB –
Dayton Audio18SW1200N-8
£301.39 · 8% more, worseFs32 Hz –
Qts0.33 –
Vas253.6 L –
BL27.6 T·m +9%
Xmax9.1 mm −9%
Sensitivity95.8 dB –
BMS18S430V2
£316.72 · 14% more, worseFs31 Hz −3%
Qts0.34 +3%
Vas262 L +4%
BL23.5 T·m −7%
Xmax8 mm −20%, worse
Sensitivity95.4 dB –
RCFLF18N405
£325.54 · 17% more, worseFs30 Hz −6%
Qts0.32 −3%
Vas227 L −10%
BL26.5 T·m +5%
Xmax14 mm +40%, better
Sensitivity94.6 dB −1.2
BMS18S450
£345.00 · 24% more, worseFs29 Hz −9%
Qts0.31 −6%
Vas281 L +12%, worse
BL26.5 T·m +5%
Xmax12 mm +20%, better
Sensitivity95.3 dB −0.5
Dayton AudioRSS460HO-4
£442.94 · 59% more, worseFs19 Hz −41%, better
Qts0.32 −3%
Vas272 L +8%
BL23.4 T·m −8%
Xmax12.8 mm +28%, better
Sensitivity89.2 dB −6.6, worse
BMS18N850V2
£457.13 · 64% more, worseFs30 Hz −7%
Qts0.33 –
Vas243 L −4%
BL25.4 T·m –
Xmax12 mm +20%, better
Sensitivity94.7 dB −1.1
Precision DevicesPD.184C002
No current priceFs40 Hz +25%, worse
Qts0.34 +3%
Vas268 L +6%
BL21 T·m −17%, worse
Xmax9.7 mm −3%
Sensitivity98.8 dB +3, better
FaneCOLOSSUS 18XB
No current priceFs33 Hz +3%
Qts0.34 –
Vas236 L −6%
BL25.9 T·m –
Xmax7.5 mm −25%, worse
Sensitivity95.8 dB –
Sica18 PFS 4
No current priceFs29 Hz −10%, better
Qts0.37 +12%, worse
Vas245.9 L –
BL24.6 T·m –
Xmax9.5 mm −5%
Sensitivity93.5 dB −2.3, worse
Oberton18XB1201
No current priceFs38 Hz +19%, worse
Qts0.32 −4%
Vas159.4 L −37%, better
BL26.7 T·m +6%
Xmax10.5 mm +5%
Sensitivity96.3 dB +0.5
Sica18 S 4 CP
No current priceFs33 Hz +3%
Qts0.35 +6%
Vas225 L −11%, better
BL23.5 T·m −7%
Xmax11 mm +10%, better
Sensitivity95.2 dB −0.6
RCFLF18G908
No current priceFs33 Hz +3%
Qts0.29 −12%, better
Vas268 L +6%
BL24.6 T·m –
Xmax9 mm −10%, worse
Sensitivity97.1 dB +1.3
Oberton18XB700
No current priceFs36 Hz +13%, worse
Qts0.30 −8%
Vas183.2 L −27%, better
BL26.1 T·m +3%
Xmax9 mm −10%, worse
Sensitivity96.4 dB +0.6
RCFLF18N408
No current priceFs30 Hz −6%
Qts0.33 –
Vas193 L −23%, better
BL25.7 T·m –
Xmax15 mm +50%, better
Sensitivity93.6 dB −2.2, worse
FaneCOLOSSUS 18-800N
No current priceFs38 Hz +19%, worse
Qts0.31 −7%
Vas217 L −14%, better
BL24 T·m −5%
Xmax8 mm −20%, worse
Sensitivity97.7 dB +1.9
Oberton18B450
No current priceFs34 Hz +7%
Qts0.34 +4%
Vas241.6 L −4%
BL22.1 T·m −13%, worse
Xmax7.3 mm −28%, worse
Sensitivity96.4 dB +0.6
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 Business | £279.00, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £279.00 | Back order | Visit shop at Lean Audio |
Best price over time
Tracked since 1 Apr