Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespLavoce CSF051.21 8Ω
LF DriverMedia
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Overview
LF DriverCSF051 series
Lavoce
Lavoce CSF051.21
Lavoce CSF051.21 is a 5" 8 ohm LF driver rated at 50W RMS. The validated T/S data includes Fs 110Hz, Qts 0.64, Vas 4.1L, Xmax 3.4mm, sensitivity 90.7dB, plus 32cm³ Vd and 149 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £28.85.
Size
5"
Impedance
8Ω
RMS Power
50W
Sensitivity
90.7dB
92.0dBmanufacturer; using T/S-derived value (1.3dB delta).
EBP
149
Vented alignment
Vd
32cm³
Overall Parameters
Valid
Fs110Hz
Qts0.64
Qes0.74
Qms4.8
Vas4.1L
Re5.7Ω
Le0.30mH
BL5.9Tm
Sd95cm²
Mms7g
Xmax3.4mm
SPL91dB
Power50W
Impedance8Ω
Min Impedance6.1Ω
F Low110Hz
F High22000Hz
Voice Coil30mm
Hybrid view: LF section is used for excursion/motor values, while frequency limits merge upper sections.
What this validation status meansPricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
partsexpress
£28.85
inc VAT·7 in stock
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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.
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.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
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A WinISD driver file that VituixCAD imports directly.
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Dimensions & Physical
Weight0.8kg
Driver Components
LF
Fs110 Hz
Qts0.64
Qes0.74
Qms4.8
Vas4.1 L
Re5.7 Ω
Le0.30 mH
BL5.9 Tm
Sd95 cm²
Mms7 g
Xmax3.4 mm
SPL91 dB
Power50 W
Impedance8 Ω
Min Impedance6.1 Ω
F Low110 Hz
F High22000 Hz
Voice Coil30 mm
Cms0.32
Power Program100
Xmech4
Section dimensions
Weight800.0 kg
HF
Throat20 mm
Voice Coil14 mm
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
Lavoce
CSF051.21
5"
Best current price
£28.85
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.
53%
Similarity
59% cheaper£11.83
GRS
4SMP-8
4"
Lower price
Xmax4mm+18%
Qts0.65+2%
BL4.2Tm-29%
Vas4L-2%
Qes0.83+12%
77%
Similarity
49% cheaper£14.72
Lavoce
WSF051.02
5"
Lower price
Xmax3.1mm-9%
Qts0.6-6%
BL6.4Tm+8%
Vas3.3L-20%
Qes0.66-11%
46%
Similarity
24% cheaper£21.94
FaitalPRO
4FE32
4"
Lower price
Xmax2.7mm-20%
Qts0.61-5%
BL4.8Tm-19%
Vas2.3L-44%
Qes0.7-5%
36%
Similarity
3% more£29.57
Dayton Audio
RS100P-8
4"
Higher price
Xmax3.7mm+9%
Qts0.54-16%
BL4Tm-33%
Vas1.8L-55%
Qes0.71-4%
37%
Similarity
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Eminence
ALPHA 4-4
4"
Higher price
Xmax2.6mm-24%
Qts0.63-2%
BL4.1Tm-30%
Vas1.8L-57%
Qes0.7-5%
37%
Similarity
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Visaton
W 100 S - 8 Ohm
4"
Higher price
Xmax4mm+18%
Qts0.54-16%
BL4.3Tm-27%
Vas5.4L+33%
Qes0.67-9%
63%
Similarity
41% more£40.67
Dayton Audio
LW150-4
6"
Higher price
Xmax4mm+18%
Qts0.640%
BL6.5Tm+10%
Vas3.5L-14%
Qes0.72-3%
31%
Similarity
48% more£42.77
Eminence
ALPHA 4-8
4"
Higher price
Xmax2.6mm-24%
Qts0.75+17%
BL4.9Tm-16%
Vas1.9L-52%
Qes0.84+14%
47%
Similarity
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Celestion
TFX0412
4"
Higher price
Xmax4mm+18%
Qts0.59-8%
BL5.4Tm-9%
Vas2.2L-47%
Qes0.67-10%
78%
Similarity
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Accuton
C90-6-724
5"
Higher price
Xmax3mm-12%
Qts0.6-6%
BL6Tm+1%
Vas5.1L+25%
Qes0.67-9%
74%
Similarity
Sica
5 N 1.5 PL
5"
Xmax3mm-12%
Qts0.56-12%
BL6.2Tm+5%
Vas3L-26%
Qes0.72-3%
65%
Similarity
Peerless
FSL-0512R01-08
5.25"
Xmax4.3mm+27%
Qts0.58-9%
BL6.4Tm+9%
Vas3.5L-15%
Qes0.76+3%