Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespEighteen Sound 18NLS4000 4Ω
LF DriverMedia
Overview
LF Driver
Eighteen Sound
Eighteen Sound 18NLS4000
Eighteen Sound 18NLS4000 is a 18" 4 ohm LF driver rated at 1200W RMS. The validated T/S data includes Fs 27Hz, Qts 0.35, Vas 168L, Xmax 22.3mm, sensitivity 91.7dB, plus 2732cm³ Vd and 75 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £486.84.
Size
18"
Impedance
4Ω
RMS Power
1200W
Sensitivity
91.7dB
88.0dBmanufacturer; using T/S-derived value (3.7dB delta).
EBP
75
Either alignment
Vd
2732cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
frequency response240 ptsp2medium
Curve provenanceInspect 2 tracesHide details
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 confidence725 selected pixels of 814 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence522 selected pixels of 779
T/S Parameters
Valid
Fs27Hz
Qts0.35
Qes0.36
Qms13.7
Vas168.0L
Re2.9Ω
Le2.60mH
BL24.2Tm
Sd1225cm²
Mms433g
Xmax22.3mm
SPL92dB
Power1200W
Power Nominal1200W
Impedance4Ω
F Low28Hz
F High500Hz
Pricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
leanaudio
£486.84
inc VAT·2 in stock
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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
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Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight12.0kg
Diameter462.0mm
Overall Depth250.0mm
Cutout Diameter420.0mm
Bolt Circle Diameter439.0mm
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
Eighteen Sound
18NLS4000
18"
Best current price
£486.84
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.
9 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
37%
Similarity
14% cheaper£420.00
FaitalPRO
18XL2000
18"
Lower price
Xmax16.3mm-27%
Qts0.27-23%
BL30.8Tm+27%
Vas232.1L+38%
Qes0.28-22%
68%
Similarity
13% cheaper£425.00
FaitalPRO
18XL1800
18"
Lower price
Xmax20.2mm-10%
Qts0.4+14%
BL25.4Tm+5%
Vas215.5L+28%
Qes0.42+17%
Image unavailable
70%
Similarity
11% cheaper£432.00
Precision Devices
PD.1845-2N
18"
Lower price
Xmax18mm-19%
Qts0.39+11%
BL27Tm+12%
Vas157L-7%
Qes0.4+11%
41%
Similarity
2% cheaper£479.00
FaitalPRO
18XL1700
18"
Lower price
Xmax16.2mm-27%
Qts0.28-20%
BL30.5Tm+26%
Vas227L+35%
Qes0.29-19%
64%
Similarity
13% more£550.00
Eighteen Sound
18NTLW5000
18"
Higher price
Xmax17.5mm-22%
Qts0.32-9%
BL31.3Tm+29%
Vas176L+5%
Qes0.33-8%
56%
Similarity
37% more£665.00
Eighteen Sound
18NTLS5000
18"
Higher price
Xmax17.8mm-20%
Qts0.33-6%
BL30.7Tm+27%
Vas75L-55%
Qes0.35-3%
Image unavailable
70%
Similarity
Precision Devices
PD.1845-1N
18"
Xmax16mm-28%
Qts0.32-7%
BL26.4Tm+9%
Vas179L+7%
Qes0.33-7%
61%
Similarity
Dayton Audio
SS18-22
18"
Xmax26mm+17%
Qts0.37+6%
BL29.2Tm+21%
Vas224L+33%
Qes0.42+17%
57%
Similarity
SB Audience
NERO-18SW1900D
18"
Xmax17.5mm-22%
Qts0.42+20%
BL28.5Tm+18%
Vas157.9L-6%
Qes0.43+19%