Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespSB Acoustics SB12PFCR25-8 8Ω
LF DriverMedia
Overview
LF DriverSB12 series
SB Acoustics
SB Acoustics SB12PFCR25-8
SB Acoustics SB12PFCR25-8 is a 4" 8 ohm LF driver rated at 30W RMS. The validated T/S data includes Fs 59Hz, Qts 0.48, Vas 5.3L, Xmax 10mm, sensitivity 85dB, plus 50cm³ Vd and 107 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £19.19.
Size
4"
Impedance
8Ω
RMS Power
30W
Sensitivity
85.0dB
84.0dBmanufacturer; using T/S-derived value (1.0dB delta).
EBP
107
Vented alignment
Vd
50cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
30 degrees240 ptsp1medium
Curve provenanceInspect 1 traceHide 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 confidence1,544 selected pixels of 2,978
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs59Hz
Qts0.48
Qes0.55
Qms3.6
Vas5.3L
Re6.4Ω
Le0.36mH
BL4.6Tm
Sd50cm²
Mms5g
Xmax10.0mm
SPL85dB
Power30W
Impedance8Ω
Voice Coil25mm
Flux Density0.84T
Pricing & availability
Price definitionsPrice movement
Other offers
2 vendorswillyshifi
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£22.95
inc VAT
soundimports
Updated 11 Sept 2026· 8Ω
Source: inc VAT
£23.58
inc VAT
Out of stock
Best current price
Updated 11 Sept 2026
leanaudio
£19.19
Avg £21.07£1.88 below avg (-8.9%)
inc VAT·2 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
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
Weight0.7kg
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
SB12PFCR25-8
4"
Best current price
£19.19
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.
75%
Similarity
35% more£25.95
SB Acoustics
SB12PFCR25-4
4"
Higher price
Xmax9.8mm-2%
Qts0.43-10%
BL3.5Tm-24%
Vas5.2L-2%
Qes0.49-11%
37%
Similarity
50% more£28.74
Visaton
KT 100 V
4"
Higher price
Xmax7mm-30%
Qts0.56+17%
BL3.3Tm-28%
Vas7.5L+42%
Qes0.69+25%
70%
Similarity
136% more£45.28
SB Acoustics
SB12NRX25-4
4"
Higher price
Xmax10mm0%
Qts0.4-17%
BL3.6Tm-22%
Vas5.6L+6%
Qes0.46-16%
66%
Similarity
136% more£45.28
SB Acoustics
SB12NRX25-8
4"
Higher price
Xmax10mm0%
Qts0.37-23%
BL5.4Tm+17%
Vas5.3L0%
Qes0.41-25%
28%
Similarity
147% more£47.39
Peerless
SLS-P830945
5"
Higher price
Xmax7mm-30%
Qts0.4-17%
BL6.2Tm+35%
Vas4.7L-12%
Qes0.44-20%
61%
Similarity
204% more£58.31
SB Acoustics
SB12CACS25-8
4"
Higher price
Xmax10mm0%
Qts0.37-23%
BL5.2Tm+13%
Vas6.5L+23%
Qes0.4-27%
72%
Similarity
425% more£100.74
Visaton
B 100 - 6 Ohm
4"
Higher price
Xmax7mm-30%
Qts0.52+8%
BL4.1Tm-11%
Vas5.3L-1%
Qes0.54-2%
37%
Similarity
Visaton
KT 100 V - 4 OHM
4"
Xmax7mm-30%
Qts0.56+17%
BL3.3Tm-28%
Vas7.5L+42%
Qes0.69+25%