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Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespDayton Audio SIG180-4 4Ω
LF DriverMedia
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Overview
LF Driver
Dayton Audio
Dayton Audio SIG180-4
Dayton Audio SIG180-4 is a 7" 4 ohm LF driver rated at 80W RMS. The validated T/S data includes Fs 41Hz, Qts 0.38, Vas 23.2L, Xmax 5mm, sensitivity 87.8dB, plus 72cm³ Vd and 99 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £40.67.
Size
7"
Impedance
4Ω
RMS Power
80W
Sensitivity
87.8dB
91.0dBmanufacturer; using T/S-derived value (3.2dB delta).
EBP
99
Either alignment
Vd
72cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
15 degrees240 ptsp1medium
30 degrees240 ptsp1medium
45 degrees202 ptsp1medium
on-axis240 ptsp1medium
Curve provenanceInspect 4 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
240 plotted pointsMedium confidence1,283 selected pixels of 2,026 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence1,130 selected pixels of 1,806 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
202 plotted pointsMedium confidence1,079 selected pixels of 2,278 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence3,620 selected pixels of 3,620
T/S Parameters
Valid
Fs41Hz
Qts0.38
Qes0.41
Qms5.2
Vas23.2L
Re3.7Ω
Le0.47mH
BL6.6Tm
Sd143cm²
Mms19g
Xmax5.0mm
SPL88dB
Power80W
Impedance4Ω
F Low40Hz
F High4000Hz
Pricing & availability
Price definitionsPrice movement
Other offers
1 vendorsoundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£42.92
inc VAT
Out of stock
Best current price
Updated 11 Sept 2026
partsexpress
£40.67
inc VAT·125 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
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Plain text · Clipboard
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Dimensions & Physical
Weight1.6kg
Diameter180.3mm
Overall Depth81.0mm
Cutout Diameter145.0mm
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
Dayton Audio
SIG180-4
7"
Best current price
£40.67
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.
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Image unavailable
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