Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespEminence SIGMA PRO-18A 8Ω
LF DriverMedia
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Overview
LF DriverSIGMA PRO series
Eminence
Eminence SIGMA PRO-18A
Eminence SIGMA PRO-18A is a 18" 8 ohm LF driver rated at 650W RMS. The validated T/S data includes Fs 28Hz, Qts 0.29, Vas 441.2L, Xmax 6.1mm, sensitivity 97.1dB, plus 695cm³ Vd and 93 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
18"
Impedance
8Ω
RMS Power
650W
Sensitivity
97.1dB
99.0dBmanufacturer; using T/S-derived value (1.9dB delta).
EBP
93
Either alignment
Vd
695cm³
T/S Parameters
Valid
Fs28Hz
Qts0.29
Qes0.30
Qms8.3
Vas441.2L
Re6.3Ω
Le1.90mH
BL22.1Tm
Sd1140cm²
Mms130g
Xmax6.1mm
SPL97dB
Power650W
Impedance8Ω
F Low41Hz
F High2000Hz
Pricing & availability
Price definitionsVendor offers
1 vendorleanaudio
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£223.09
inc VAT
Out of 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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Dimensions & Physical
Weight11.1kg
Diameter457.2mm
Overall Depth207.0mm
Cutout Diameter420.6mm
Bolt Circle Diameter438.1mm
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
Eminence
SIGMA PRO-18A
18"
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.
8 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
81%
Similarity
£129.42
Dayton Audio
PA460-8
18"
Xmax6mm-2%
Qts0.33+14%
BL22.3Tm+1%
Vas402L-9%
Qes0.34+13%
78%
Similarity
Celestion
FTR18-4080F
18"
Xmax6mm-2%
Qts0.31+7%
BL22.5Tm+2%
Vas281.3L-36%
Qes0.34+12%
67%
Similarity
£196.00
Eminence
OMEGA PRO-18A
18"
Xmax4.8mm-21%
Qts0.31+7%
BL18.8Tm-15%
Vas548.7L+24%
Qes0.32+7%
56%
Similarity
Oberton
18B450
18"
Xmax7.3mm+19%
Qts0.34+18%
BL22.1Tm0%
Vas241.6L-45%
Qes0.36+19%
52%
Similarity
£243.89
Eighteen Sound
18W2001
18"
Xmax7mm+15%
Qts0.25-14%
BL27.1Tm+23%
Vas230L-48%
Qes0.26-13%
47%
Similarity
CIARE
PW455
18"
Xmax7.5mm+23%
Qts0.24-17%
BL26.2Tm+18%
Vas274L-38%
Qes0.24-20%
47%
Similarity
Fane
COLOSSUS 18XB
18"
Xmax7.5mm+23%
Qts0.34+16%
BL25.9Tm+17%
Vas236L-47%
Qes0.36+19%
46%
Similarity
£254.65
Eighteen Sound
18W1001
18"
Xmax7mm+15%
Qts0.23-21%
BL27.6Tm+25%
Vas268L-39%
Qes0.24-20%