Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespSB Acoustics SB23MFCL45-4 4Ω
LF DriverMedia
Overview
LF DriverSB23 series
SB Acoustics
SB Acoustics SB23MFCL45-4
SB Acoustics SB23MFCL45-4 is a 8" 4 ohm LF driver rated at 150W RMS. The validated T/S data includes Fs 27Hz, Qts 0.34, Vas 37L, Xmax 24mm, sensitivity 85.1dB, plus 504cm³ 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 £117.27.
Size
8"
Impedance
4Ω
RMS Power
150W
Sensitivity
85.1dB
87.5dBmanufacturer; using T/S-derived value (2.4dB delta).
EBP
75
Either alignment
Vd
504cm³
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 confidence1,178 selected pixels of 9,251 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
240 plotted pointsMedium confidence1,140 selected pixels of 2,429
T/S Parameters
Valid
Fs27Hz
Qts0.34
Qes0.36
Qms7.7
Vas37.0L
Re3.3Ω
Le0.73mH
BL9.6Tm
Sd210cm²
Mms59g
Xmax24.0mm
SPL85dB
Power150W
Impedance4Ω
Voice Coil46mm
Flux Density1.03T
Pricing & availability
Price definitionsPrice movement
Other offers
3 vendorsleanaudio
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£117.27
inc VAT
Back order
soundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£133.13
inc VAT
Out of stock
willyshifi
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£150.95
inc VAT
Best current price
Updated 17 May 2026
leanbusiness
£117.27
Avg £134.11£16.84 below avg (-12.6%)
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
Weight4.7kg
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
SB23MFCL45-4
8"
Best current price
£117.27
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