Eighteen Sound design
18’’ horn loaded subwoofer
- Drivers
- 18TLW3000or 18LW2500or 18LW2400
18-inch LF driver · 1,600 W
Eighteen Sound 18LW2500 4Ω
30–1000 Hz
No current price
- Fs
- 35Hz
- Xmax
- 14mm
- SPL
- 93dB
- Pe
- 1600W
- BL
- 20T·m
- Vd
- 1582cm³
- Qts
- 0.44
- Vas
- 135L
Published graphs
Eighteen Sound 18LW2500 is an 18-inch 4 ohm LF driver rated at 1600 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.44, Vas 135 L, Xmax 14 mm, sensitivity 93.1 dB, plus 1582 cm³ Vd and 78 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.44
- Qes
- 0.45
- Qms
- 18.4
- Vas
- 135L
- Re
- 2.6Ω
- Le
- 1.80mH
Motor and cone
- BL
- 20T·m
- Sd
- 1130cm²
- Mms
- 290g
- Xmax
- 14mm
- Vd †
- 1582cm³
Power and response
- Sensitivity †
- 93.1dB
- Manufacturer sensitivity
- 95dB
- Power
- 1600W
- Nominal power
- 1600W
- Impedance
- 4Ω
- Range
- 30–1000Hz
- EBP †
- 78 · Sealed or vented
Size and mounting
- Diameter
- 462mm
- Cutout
- 416mm
- Bolt circle
- 440mm
- Depth
- 234mm
- Weight
- 16.7kg
Other published values
- Power Program
- 3200
Sensitivity shows 93.1 dB, calculated from the T/S values. Eighteen Sound publishes 95.0 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 18″
- BL
- 20T·m
- Fs
- 35Hz
- Le
- 1.80mH
- Re
- 2.6Ω
- Sd
- 1130cm²
- Mms
- 290g
- Qes
- 0.45
- Qms
- 18.4
- Qts
- 0.44
- SPL
- 93.1dB
- Vas
- 135L
- Xmax
- 14mm
- Power
- 1600W
- Impedance
- 4Ω
- Sensitivity
- 95dB
- Low limit
- 30Hz
- Nominal power
- 1600W
- Power Program
- 3200
- Calculated sensitivity †
- 93.1dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 95dB
- Weight
- 16.7kg
- Diameter
- 462mm
- Depth
- 234mm
- Cutout
- 416mm
- Bolt circle
- 440mm
02
Designs
Cabinets for the 18LW2500: two designs and a suggested box from Eighteen Sound.
All 18LW2500 designsHow we find designsEighteen Sound’s designs
From the maker, with plans to download
Eighteen Sound design
Single 18” subwoofer
- Drivers
- 18TLW3000or 18LW2500or 18NLW4000or 18LW2400or 18LW1400
Eighteen Sound’s suggested box
From Eighteen Sound’s 18LW2500 page
- Net volume
- 200L
- Tuning
- 35Hz
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 18LW2500. Clear differences are green when better and red when worse.
This driver18LW2500
Best price
–
Fs
35 Hz
Qts
0.44
Vas
135 L
BL
20 T·m
Xmax
14 mm
Sensitivity
93.1 dB
Power
1600 W
REDCATT183FIND
£122.50Fs32 Hz −9%
Qts0.42 −5%
Vas329.5 L +144%, worse
BL21.1 T·m +6%
Xmax5.9 mm −58%, worse
Sensitivity96 dB +2.9, better
SB AudienceBIANCO-18SW450
£135.53Fs28 Hz −20%, better
Qts0.45 –
Vas370.4 L +174%, worse
BL18.8 T·m −6%
Xmax10.9 mm −22%, worse
Sensitivity94.4 dB +1.3
SB AudienceROSSO-18SW800
£187.71Fs33 Hz −6%
Qts0.46 +5%
Vas258.1 L +91%, worse
BL21 T·m +5%
Xmax11.3 mm −19%, worse
Sensitivity94.9 dB +1.8
SB AudienceROSSO-18SW750
£200.80Fs36 Hz –
Qts0.43 –
Vas206.9 L +53%, worse
BL23.3 T·m +17%, better
Xmax8.8 mm −37%, worse
Sensitivity95.3 dB +2.2, better
CelestionFTR18-4080HDX
£237.20Fs39 Hz +12%, worse
Qts0.43 –
Vas174.9 L +30%, worse
BL21.3 T·m +6%
Xmax10.1 mm −28%, worse
Sensitivity95.6 dB +2.5, better
CelestionCF1840JD
£239.00Fs37 Hz +6%
Qts0.40 −10%
Vas155 L +15%, worse
BL24.8 T·m +24%, better
Xmax12.5 mm −11%, worse
Sensitivity94.6 dB +1.5
SB AudienceROSSO-18SW650
£244.95Fs31 Hz −11%, better
Qts0.41 −7%
Vas304.3 L +125%, worse
BL20.6 T·m +3%
Xmax11.2 mm −20%, worse
Sensitivity95.2 dB +2.1, better
FaitalPRO18HP1030
£269.00Fs35 Hz –
Qts0.41 −7%
Vas185.5 L +37%, worse
BL24.3 T·m +22%, better
Xmax12.4 mm −11%, worse
Sensitivity94.7 dB +1.6
FaitalPRO18FX800
£277.94Fs34 Hz –
Qts0.40 −9%
Vas247 L +83%, worse
BL24 T·m +20%, better
Xmax13.8 mm –
Sensitivity95.6 dB +2.5, better
MonacorCF1840JD/4
£286.39Fs37 Hz +6%
Qts0.40 −10%
Vas155 L +15%, worse
BL24.8 T·m +24%, better
Xmax12.5 mm −11%, worse
Sensitivity94.6 dB +1.5
MonacorCF1840JD/8
£286.39Fs37 Hz +6%
Qts0.40 −10%
Vas155 L +15%, worse
BL24.8 T·m +24%, better
Xmax12.5 mm −11%, worse
Sensitivity94.6 dB +1.5
SB AudienceROSSO-18SW1000D
£312.54Fs35 Hz –
Qts0.46 +5%
Vas164.3 L +22%, worse
BL25.8 T·m +29%, better
Xmax13.7 mm –
Sensitivity93.6 dB +0.5
B&C18SW100
£336.23Fs36 Hz –
Qts0.36 −18%, better
Vas160 L +19%, worse
BL22 T·m +10%, better
Xmax12.5 mm −11%, worse
Sensitivity94.7 dB +1.6
Eighteen Sound18TLW3000
£340.46Fs32 Hz −9%
Qts0.35 −20%, better
Vas185 L +37%, worse
BL20 T·m –
Xmax12 mm −14%, worse
Sensitivity94.3 dB +1.2
Sica18 PF 4
£359.00Fs38 Hz +9%
Qts0.43 –
Vas147.3 L +9%
BL24.6 T·m +23%, better
Xmax8 mm −43%, worse
Sensitivity94.4 dB +1.3
SB AudienceNERO-18SW1900D
£397.02Fs34 Hz –
Qts0.42 −5%
Vas157.9 L +17%, worse
BL28.5 T·m +43%, better
Xmax17.5 mm +25%, better
Sensitivity93.6 dB +0.5
Beyma18LEX1600ND
£399.00Fs33 Hz −6%
Qts0.43 –
Vas231 L +71%, worse
BL24.5 T·m +23%, better
Xmax14.5 mm +4%
Sensitivity94.7 dB +1.6
PeerlessFCP-1840R02-08
No current priceFs39 Hz +11%, worse
Qts0.43 –
Vas156 L +16%, worse
BL26.2 T·m +31%, better
Xmax13.5 mm −4%
Sensitivity95.2 dB +2.1, better
MonacorFTR18-4080HDX/8
No current priceFs39 Hz +12%, worse
Qts0.43 –
Vas174.9 L +30%, worse
BL21.3 T·m +6%
Xmax10.1 mm −28%, worse
Sensitivity95.6 dB +2.5, better
B&C18RBX100
No current priceFs42 Hz +20%, worse
Qts0.40 −9%
Vas136 L –
BL22 T·m +10%, better
Xmax10 mm −29%, worse
Sensitivity95.9 dB +2.8, better
PeerlessFCP-1840R03-08
No current priceFs41 Hz +17%, worse
Qts0.47 +7%
Vas128 L −5%
BL26.8 T·m +34%, better
Xmax12.3 mm −12%, worse
Sensitivity94.6 dB +1.5
CIARECSD184-22
No current priceFs37 Hz +6%
Qts0.53 +20%, worse
Vas141 L +4%
BL18.5 T·m −7%
Xmax13 mm −7%
Sensitivity92.9 dB –
P.Audio18NT-115XB
No current priceFs33 Hz −6%
Qts0.44 –
Vas112.7 L −17%, better
BL29.0 T·m +45%, better
Xmax9.8 mm −30%, worse
Sensitivity91.6 dB −1.5
BishopSoundBDP18/4
No current priceFs39 Hz +11%, worse
Qts0.40 −10%
Vas183.3 L +36%, worse
BL17.1 T·m −15%, worse
Xmax11.3 mm −19%, worse
Sensitivity96.2 dB +3.1, better
CelestionFTR18-4080FDX
No current priceFs37 Hz +7%
Qts0.41 −6%
Vas160.7 L +19%, worse
BL25.1 T·m +26%, better
Xmax6 mm −57%, worse
Sensitivity94.9 dB +1.8
Precision DevicesPD.185C001
No current priceFs32 Hz −9%
Qts0.40 −8%
Vas302 L +124%, worse
BL21 T·m +5%
Xmax10.5 mm −25%, worse
Sensitivity95.7 dB +2.6, better
P.Audio18NT-100XB
No current priceFs35 Hz –
Qts0.41 −7%
Vas171.3 L +27%, worse
BL24.6 T·m +23%, better
Xmax7 mm −50%, worse
Sensitivity94.4 dB +1.3
PRV Audio18SW2000
No current priceFs32 Hz −8%
Qts0.45 –
Vas289.9 L +115%, worse
BL22.1 T·m +11%, better
Xmax9.6 mm −31%, worse
Sensitivity95.2 dB +2.1, better
CIARE18.00SW
No current priceFs36 Hz –
Qts0.61 +39%, worse
Vas94 L −30%, better
BL20 T·m –
Xmax14 mm –
Sensitivity90 dB −3.1, worse
P.Audio18NT-100SW
No current priceFs35 Hz –
Qts0.48 +9%
Vas144.6 L +7%
BL25.2 T·m +26%, better
Xmax9 mm −36%, worse
Sensitivity93 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.