Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespScanspeak 18WU/4741T00 4Ω
LF DriverMedia
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Overview
LF DriverIlluminator series
Scanspeak
Scanspeak 18WU/4741T00
Scanspeak 18WU/4741T00 is a 7" 4 ohm LF driver rated at 70W RMS. The validated T/S data includes Fs 34Hz, Qts 0.36, Vas 38.4L, Xmax 9mm, sensitivity 87.9dB, plus 139cm³ Vd and 87 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £346.95.
Size
7"
Impedance
4Ω
RMS Power
70W
Sensitivity
87.9dB
EBP
87
Either alignment
Vd
139cm³
T/S Parameters
Valid
Fs34Hz
Qts0.36
Qes0.39
Qms3.8
Vas38.4L
Re3.3Ω
Le0.40mH
BL5.9Tm
Sd154cm²
Mms19g
Xmax9.0mm
SPL88dB
Power70W
Impedance4Ω
Min Impedance4.6Ω
Voice Coil42mm
Pricing & availability
Price definitionsPrice movement
Other offers
2 vendorssoundimports
Updated 11 Sept 2026
Source: inc VAT
£317.85
inc VAT
Out of stock
wilmslowaudio
Updated 11 Sept 2026
Source: inc VAT · 20%
£374.99
inc VAT
Best current price
Updated 11 Sept 2026
willyshifi
£346.95
Avg £360.97£14.02 below avg (-3.9%)
inc VAT
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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
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Dimensions & Physical
Diameter180.0mm
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
Scanspeak
18WU/4741T00
7"
Best current price
£346.95
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.
68%
Similarity
93% cheaper£26.00
SB Acoustics
SB16PFCR25-4
6"
Lower price
Xmax9mm0%
Qts0.34-6%
BL5Tm-15%
Vas32.7L-15%
Qes0.390%
56%
Similarity
93% cheaper£26.00
SB Acoustics
SB16PFCR25-8
6"
Lower price
Xmax9mm0%
Qts0.4+11%
BL6.2Tm+5%
Vas27L-30%
Qes0.48+23%
52%
Similarity
88% cheaper£40.33
Visaton
W 170 S
6.5"
Lower price
Xmax10mm+11%
Qts0.41+14%
BL4.4Tm-25%
Vas38L-1%
Qes0.51+31%
68%
Similarity
84% cheaper£54.89
SB Acoustics
SB17MFC35-8
6"
Lower price
Xmax11mm+22%
Qts0.37+3%
BL5.9Tm0%
Vas39L+2%
Qes0.4+3%
34%
Similarity
84% cheaper£54.89
SB Acoustics
SB17MFC35-4
6"
Lower price
Xmax11mm+22%
Qts0.28-22%
BL4.9Tm-17%
Vas45L+17%
Qes0.3-23%
51%
Similarity
84% cheaper£55.41
SB Acoustics
SB17NRX2C35-4
6"
Lower price
Xmax11mm+22%
Qts0.37+3%
BL4.9Tm-17%
Vas27.6L-28%
Qes0.41+5%
41%
Similarity
84% cheaper£55.41
SB Acoustics
SB17NRX2C35-8
6"
Lower price
Xmax11mm+22%
Qts0.42+17%
BL6.3Tm+6%
Vas27L-30%
Qes0.47+21%
52%
Similarity
82% cheaper£62.34
Visaton
W 170 S - 4 OHM
6.5"
Lower price
Xmax10mm+11%
Qts0.41+14%
BL4.4Tm-25%
Vas38L-1%
Qes0.51+31%
63%
Similarity
81% cheaper£65.93
SB Acoustics
SB17NBAC35-8
6"
Lower price
Xmax11mm+22%
Qts0.35-3%
BL5.9Tm0%
Vas45L+17%
Qes0.38-3%
39%
Similarity
81% cheaper£65.93
SB Acoustics
SB17NBAC35-4
6"
Lower price
Xmax11mm+22%
Qts0.29-19%
BL4.9Tm-17%
Vas42.6L+11%
Qes0.31-21%
65%
Similarity
76% cheaper£82.13
SB Acoustics
SB17CAC35-8
6"
Lower price
Xmax11mm+22%
Qts0.360%
BL6.2Tm+5%
Vas42L+9%
Qes0.4+3%
44%
Similarity
76% cheaper£82.13
SB Acoustics
SB17CAC35-4
6"
Lower price
Xmax11mm+22%
Qts0.29-19%
BL5.3Tm-10%
Vas37.8L-2%
Qes0.31-21%