CelestionFTR18-4080HDX
£237.20 · Same priceFs39 Hz +6%
Qts0.43 +8%
Vas174.9 L +13%, worse
BL21.3 T·m −14%, worse
Xmax10.1 mm −19%, worse
Sensitivity95.6 dB +1
18-inch LF driver · CF1840 series · 100 mm voice coil · 1,200 W
Celestion CF1840JD 8Ω
8 Ω · 30–2500 Hz
£239.00
SteadyLean Audio · 1 in stock · All 3 offers
- Fs
- 37Hz
- Xmax
- 12.5mm
- SPL
- 95dB
- Pe
- 1200W
- BL
- 24.8T·m
- Vd
- 1418cm³
- Qts
- 0.40
- Vas
- 155L
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
LF frequency response
Frequency response
137 plotted pointsMedium confidence213 selected pixels of 383
Published graphs
Celestion CF1840JD is an 18-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 37 Hz, Qts 0.40, Vas 155 L, Xmax 12.5 mm, sensitivity 94.6 dB, plus 1418 cm³ Vd and 85 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 £239.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 37Hz
- Qts
- 0.40
- Qes
- 0.44
- Qms
- 4.4
- Vas
- 155L
- Re
- 5.3Ω
- Le
- 1.16mH
Motor and cone
- BL
- 24.8T·m
- Sd
- 1134cm²
- Mms
- 217g
- Xmax
- 12.5mm
- Vd †
- 1418cm³
- Voice coil
- 100mm
Power and response
- Sensitivity †
- 94.6dB
- Manufacturer sensitivity
- 97dB
- Power
- 1200W
- Impedance
- 8Ω
- Range
- 30–2500Hz
- EBP †
- 85 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 414mm
- Bolt circle
- 441mm
- Depth
- 220mm
- Weight
- 11.6kg
Other published values
- Cms
- 0.09mm/N
- Rms
- 11.56kg/s
- Power Program
- 2400
Sensitivity shows 94.6 dB, calculated from the T/S values. Celestion publishes 97.0 dB, 2.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 18″
- BL
- 24.8T·m
- Fs
- 37Hz
- Le
- 1.16mH
- Re
- 5.3Ω
- Sd
- 1134cm²
- Cms
- 0.09mm/N
- Mms
- 217g
- Qes
- 0.44
- Qms
- 4.4
- Qts
- 0.40
- Rms
- 11.56kg/s
- SPL
- 94.6dB
- Vas
- 155L
- Xmax
- 12.5mm
- Power
- 1200W
- Impedance
- 8Ω
- Sensitivity
- 97dB
- Low limit
- 30Hz
- Power Program
- 2400
- Calculated sensitivity †
- 94.6dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 97dB
- Voice coil
- 100mm
- Weight
- 11.6kg
- Diameter
- 460mm
- Depth
- 220mm
- Cutout
- 414mm
- Bolt circle
- 441mm
02
Compare
Same-size drivers, compared with the CF1840JD. Clear differences are green when better and red when worse.
This driverCF1840JD
Best price
£239.00
Fs
37 Hz
Qts
0.40
Vas
155 L
BL
24.8 T·m
Xmax
12.5 mm
Sensitivity
94.6 dB
Power
1200 W
FaitalPRO18HP1060
£245.81 · 3% moreFs35 Hz −5%
Qts0.37 −7%
Vas200.3 L +29%, worse
BL24.8 T·m –
Xmax12.4 mm –
Sensitivity95.6 dB +1
Beyma18LEX1000ND
£249.54 · 4% moreFs34 Hz −8%
Qts0.39 –
Vas260 L +68%, worse
BL22 T·m −11%, worse
Xmax11 mm −12%, worse
Sensitivity95.9 dB +1.3
Beyma18PWB1000FE
£255.00 · 7% more, worseFs27 Hz −27%, better
Qts0.38 −4%
Vas317 L +105%, worse
BL25 T·m –
Xmax12.5 mm –
Sensitivity94 dB −0.6
B&C18TBW100
£267.10 · 12% more, worseFs35 Hz −5%
Qts0.39 –
Vas175 L +13%, worse
BL26.4 T·m +7%
Xmax12 mm −4%
Sensitivity94.7 dB –
FaitalPRO18HP1030
£269.00 · 13% more, worseFs35 Hz −5%
Qts0.41 +3%
Vas185.5 L +20%, worse
BL24.3 T·m –
Xmax12.4 mm –
Sensitivity94.7 dB –
B&C18NBX100
£270.00 · 13% more, worseFs35 Hz −5%
Qts0.38 −4%
Vas198 L +28%, worse
BL24.8 T·m –
Xmax10 mm −20%, worse
Sensitivity95.3 dB +0.7
Beyma18LEX1600FE
£277.00 · 16% more, worseFs34 Hz −8%
Qts0.38 −4%
Vas188 L +21%, worse
BL26.9 T·m +9%
Xmax13 mm +4%
Sensitivity94.7 dB –
MonacorCF1840JD/4
£283.85 · 19% more, worseFs37 Hz –
Qts0.40 –
Vas155 L –
BL24.8 T·m –
Xmax12.5 mm –
Sensitivity94.6 dB –
SB AudienceROSSO-18SW1000D
£309.76 · 30% more, worseFs35 Hz −5%
Qts0.46 +16%, worse
Vas164.3 L +6%
BL25.8 T·m +4%
Xmax13.7 mm +9%
Sensitivity93.6 dB −1
FaitalPRO18HW1070
£325.00 · 36% more, worseFs32 Hz −14%, better
Qts0.38 −4%
Vas195.9 L +26%, worse
BL27 T·m +9%
Xmax13 mm +4%
Sensitivity94.2 dB –
B&C18SW100
£330.74 · 38% more, worseFs35 Hz −5%
Qts0.38 −4%
Vas180 L +16%, worse
BL26.1 T·m +5%
Xmax12.5 mm –
Sensitivity94.9 dB –
Eighteen Sound18TLW3000
£337.44 · 41% more, worseFs33 Hz −11%, better
Qts0.41 +3%
Vas185 L +19%, worse
BL24.5 T·m –
Xmax12 mm −4%
Sensitivity94 dB −0.6
Sica18 PF 4
£355.82 · 49% more, worseFs38 Hz –
Qts0.43 +8%
Vas147.3 L −5%
BL24.6 T·m –
Xmax8 mm −36%, worse
Sensitivity94.4 dB –
SB AudienceNERO-18SW1900D
£393.49 · 65% more, worseFs34 Hz −8%
Qts0.42 +6%
Vas157.9 L –
BL28.5 T·m +15%, better
Xmax17.5 mm +40%, better
Sensitivity93.6 dB −1
Beyma18LEX1600ND
£399.00 · 67% more, worseFs33 Hz −11%, better
Qts0.43 +8%
Vas231 L +49%, worse
BL24.5 T·m –
Xmax14.5 mm +16%, better
Sensitivity94.7 dB –
FaitalPRO18XL1600
£399.95 · 67% more, worseFs32 Hz −14%, better
Qts0.36 −9%
Vas211.4 L +36%, worse
BL26.7 T·m +8%
Xmax12.9 mm +3%
Sensitivity94.8 dB –
No photo
Precision DevicesPD.1845-2N
£422.00 · 77% more, worseFs35 Hz −5%
Qts0.39 –
Vas157 L –
BL27 T·m +9%
Xmax18 mm +44%, better
Sensitivity94.3 dB –
FaitalPRO18XL1800
£425.00 · 78% more, worseFs29 Hz −22%, better
Qts0.40 –
Vas215.5 L +39%, worse
BL25.4 T·m –
Xmax20.2 mm +61%, better
Sensitivity93 dB −1.6
B&C18HTX100
£809.86 · 239% more, worseFs44 Hz +19%, worse
Qts0.32 −19%, better
Vas173 L +12%, worse
BL26.3 T·m +6%
Xmax13 mm +4%
Sensitivity98.4 dB +3.8, better
CelestionFTR18-4080FDX
No current priceFs37 Hz –
Qts0.41 +4%
Vas160.7 L +4%
BL25.1 T·m –
Xmax6 mm −52%, worse
Sensitivity94.9 dB –
P.Audio18NT-100XB
No current priceFs35 Hz −5%
Qts0.41 +3%
Vas171.3 L +11%, worse
BL24.6 T·m –
Xmax7 mm −44%, worse
Sensitivity94.4 dB –
P.AudioP-18N-V3
No current priceFs35 Hz −5%
Qts0.40 –
Vas179.5 L +16%, worse
BL24.1 T·m –
Xmax9 mm −28%, worse
Sensitivity94.7 dB –
CelestionERPROX18
No current priceFs35 Hz −6%
Qts0.38 −5%
Vas188.9 L +22%, worse
BL24.4 T·m –
Xmax9.5 mm −24%, worse
Sensitivity94.7 dB –
Dayton Audio18SW1200F-8
No current priceFs32 Hz −14%, better
Qts0.40 –
Vas287.7 L +86%, worse
BL24.4 T·m –
Xmax10.6 mm −15%, worse
Sensitivity95.5 dB +0.9
Sica18 S 4 PL
No current priceFs36 Hz –
Qts0.39 –
Vas189 L +22%, worse
BL23.5 T·m −5%
Xmax8 mm −36%, worse
Sensitivity95.3 dB +0.7
BishopSoundBDP18/4
No current priceFs39 Hz +5%
Qts0.40 –
Vas183.3 L +18%, worse
BL17.1 T·m −31%, worse
Xmax11.3 mm −10%
Sensitivity96.2 dB +1.6
No current price
Fs33 Hz −11%, better
Qts0.39 −3%
Vas257 L +66%, worse
BL22.4 T·m −10%
Xmax12 mm −4%
Sensitivity95.6 dB +1
P.Audio18BM-1000S
No current priceFs35 Hz −5%
Qts0.40 –
Vas212.1 L +37%, worse
BL23.8 T·m −4%
Xmax8 mm −36%, worse
Sensitivity95.3 dB +0.7
REDCATT18FIND-1
No current priceFs36 Hz –
Qts0.42 +6%
Vas203.4 L +31%, worse
BL23.6 T·m −5%
Xmax5.8 mm −53%, worse
Sensitivity95.4 dB +0.8
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 | £239.00, the lowest price | 1 in stock | Visit shop at Lean Audio | |
Lean Business | £299.00 | 25% above the lowest price | Stock not listed | Visit shop at Lean Business |
Parts Express Import VAT and duty may apply | £250.60 | 4.9% above the lowest price | 1 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr