Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespSB Acoustics SB23NRXS45-4 4Ω
LF DriverMedia
Overview
LF DriverSB23 series
SB Acoustics
SB Acoustics SB23NRXS45-4
SB Acoustics SB23NRXS45-4 is a 8" 4 ohm LF driver rated at 60W RMS. The validated T/S data includes Fs 27Hz, Qts 0.30, Vas 87.5L, Xmax 13mm, sensitivity 89.3dB, plus 281cm³ Vd and 84 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £84.41.
Size
8"
Impedance
4Ω
RMS Power
60W
Sensitivity
89.3dB
92.0dBmanufacturer; using T/S-derived value (2.7dB delta).
EBP
84
Either alignment
Vd
281cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
30 degrees240 ptsp1medium
60 degrees240 ptsp1medium
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
30 degrees
Frequency response
240 plotted pointsMedium confidence1,597 selected pixels of 6,898 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
240 plotted pointsMedium confidence1,014 selected pixels of 2,588
T/S Parameters
Valid
Fs27Hz
Qts0.30
Qes0.32
Qms5.5
Vas87.5L
Re3.3Ω
Le0.29mH
BL6.9Tm
Sd216cm²
Mms27g
Xmax13.0mm
SPL89dB
Power60W
Impedance4Ω
Voice Coil46mm
Flux Density0.86T
Pricing & availability
Price definitionsPrice movement
Other offers
3 vendorsleanaudio
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£84.41
inc VAT
Back order
soundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£97.90
inc VAT
Out of stock
willyshifi
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£110.95
inc VAT
Best current price
Updated 17 May 2026
leanbusiness
£84.41
Avg £97.68£13.27 below avg (-13.6%)
inc VAT
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
Weight2.7kg
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
SB Acoustics
SB23NRXS45-4
8"
Best current price
£84.41
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.
72%
Similarity
63% cheaper£31.27
SB Acoustics
SB20PFCR30-4
8"
Lower price
Xmax11.5mm-12%
Qts0.33+10%
BL6.6Tm-4%
Vas66.2L-24%
Qes0.37+16%
53%
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SB Acoustics
SB20PFCR30-8
8"
Lower price
Xmax11.5mm-12%
Qts0.37+23%
BL7.7Tm+12%
Vas66.2L-24%
Qes0.43+34%
56%
Similarity
30% cheaper£58.80
Visaton
W 200 S
8"
Lower price
Xmax10mm-23%
Qts0.35+17%
BL7.7Tm+12%
Vas65L-26%
Qes0.38+19%
56%
Similarity
20% cheaper£67.14
Visaton
W 200 S - 8 OHM
8"
Lower price
Xmax10mm-23%
Qts0.33+10%
BL9Tm+30%
Vas70L-20%
Qes0.36+12%
86%
Similarity
17% more£98.70
SB Acoustics
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8"
Higher price
Xmax13mm0%
Qts0.33+10%
BL6.7Tm-3%
Vas95L+9%
Qes0.35+9%
86%
Similarity
35% more£114.02
SB Acoustics
SB23CACS45-4
8"
Higher price
Xmax13mm0%
Qts0.33+10%
BL6.7Tm-3%
Vas95L+9%
Qes0.35+9%
50%
Similarity
66% more£140.05
Visaton
GF 200
8"
Higher price
Xmax10mm-23%
Qts0.34+13%
BL9.2Tm+33%
Vas68L-22%
Qes0.37+16%
49%
Similarity
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SB Acoustics
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Higher price
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49%
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SB Acoustics
MW19PNW-4
7"
Higher price
Xmax13.6mm+5%
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BL6.5Tm-6%
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51%
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Visaton
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8"
Higher price
Xmax10mm-23%
Qts0.35+17%
BL8.8Tm+28%
Vas77L-12%
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66%
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SB Acoustics
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Higher price
Xmax13.4mm+3%
Qts0.29-3%
BL7.7Tm+12%
Vas61L-30%
Qes0.320%
66%
Similarity
130% more£193.95
SB Acoustics
MW19PNW-8
7"
Higher price
Xmax13.4mm+3%
Qts0.29-3%
BL7.7Tm+12%
Vas61L-30%
Qes0.320%