Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespCelestion CF1840JD 8Ω
LF DriverMedia
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Overview
LF DriverCF1840 series
Celestion
Celestion CF1840JD
Celestion CF1840JD is a 18" 8 ohm LF driver rated at 1200W RMS. The validated T/S data includes Fs 37Hz, Qts 0.40, Vas 155L, Xmax 12.5mm, sensitivity 94.6dB, plus 1418cm³ Vd and 85 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £239.00.
Size
18"
Impedance
8Ω
RMS Power
1200W
Sensitivity
94.6dB
97.0dBmanufacturer; using T/S-derived value (2.4dB delta).
EBP
85
Either alignment
Vd
1418cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
LF frequency response137 ptsp1medium
Curve provenanceInspect 1 traceHide details
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
T/S Parameters
Valid
Fs37Hz
Qts0.40
Qes0.44
Qms4.4
Vas155.0L
Re5.3Ω
Le1.16mH
BL24.8Tm
Sd1134cm²
Mms217g
Xmax12.5mm
SPL95dB
Power1200W
Impedance8Ω
Voice Coil100mm
Pricing & availability
Price definitionsOffers & B-stock
1 hidden from price comparisons
Price movement
Other offers
2 vendorspartsexpress
Updated 11 Sept 2026· 8Ω
Source: ex VAT
£247.78
inc VAT
2 in stock
leanbusiness
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£299.00
inc VAT
Best current price
Updated 11 Sept 2026
leanaudio
£239.00
Avg £261.93£22.93 below avg (-8.8%)
inc VAT·1 in stock
Use this driver
Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
Download for WinISDBASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Download for BASTA!VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Download for VituixCAD00 Simulator
Direct import · Web app
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight11.6kg
Diameter460.0mm
Overall Depth220.0mm
Cutout Diameter414.0mm
Bolt Circle Diameter441.0mm
Similar Drivers
Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
Celestion
CF1840JD
18"
Best current price
£239.00
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
65%
Similarity
16% cheaper£200.80
SB Audience
ROSSO-18SW750
18"
Lower price
Xmax8.8mm-29%
Qts0.43+8%
BL23.3Tm-6%
Vas206.9L+33%
Qes0.45+3%
76%
Similarity
4% cheaper£230.00
Celestion
ERPROX18
18"
Lower price
Xmax9.5mm-24%
Qts0.38-5%
BL24.4Tm-2%
Vas188.9L+22%
Qes0.43-1%
71%
Similarity
£237.20
Celestion
FTR18-4080HDX
18"
Xmax10.1mm-19%
Qts0.43+8%
BL21.3Tm-14%
Vas174.9L+13%
Qes0.47+7%
58%
Similarity
£238.99
B&C
18TBX100
18"
Xmax9mm-28%
Qts0.35-12%
BL25.5Tm+3%
Vas212L+37%
Qes0.37-15%
82%
Similarity
3% more£245.81
FaitalPRO
18HP1060
18"
Higher price
Xmax12.4mm0%
Qts0.37-7%
BL24.8Tm0%
Vas200.3L+29%
Qes0.38-13%
74%
Similarity
4% more£249.41
FaitalPRO
18HP1042
18"
Higher price
Xmax9mm-28%
Qts0.41+3%
BL24.5Tm-1%
Vas191.9L+24%
Qes0.43-2%
65%
Similarity
6% more£252.44
FaitalPRO
18HP1010
18"
Higher price
Xmax9.8mm-22%
Qts0.4+1%
BL22Tm-11%
Vas240.1L+55%
Qes0.42-4%
87%
Similarity
13% more£268.99
B&C
18TBW100
18"
Higher price
Xmax12mm-4%
Qts0.39-2%
BL26.4Tm+7%
Vas175L+13%
Qes0.41-6%
67%
Similarity
13% more£268.99
B&C
18TBW100
18"
Higher price
Xmax12mm-4%
Qts0.32-19%
BL22.8Tm-8%
Vas181.5L+17%
Qes0.34-22%
91%
Similarity
13% more£269.00
FaitalPRO
18HP1030
18"
Higher price
Xmax12.4mm0%
Qts0.41+3%
BL24.3Tm-2%
Vas185.5L+20%
Qes0.43-2%
45%
Similarity
14% more£272.63
Eighteen Sound
18LW2400
18"
Higher price
Xmax9.5mm-24%
Qts0.31-22%
BL25.6Tm+3%
Vas230L+48%
Qes0.32-27%
75%
Similarity
15% more£274.00
B&C
18NBX100
18"
Higher price
Xmax10mm-20%
Qts0.38-4%
BL24.8Tm0%
Vas198L+28%
Qes0.4-8%