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Overview
LF Driver
Dayton Audio
Dayton Audio CF120-4
Dayton Audio CF120-4 is a 2" 4 ohm LF driver rated at 30W RMS. The validated T/S data includes Fs 53Hz, Qts 0.28, Vas 4.9L, Xmax 3.5mm, sensitivity 85.6dB, plus 18cm³ Vd and 166 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
2"
Impedance
4Ω
RMS Power
30W
Sensitivity
85.6dB
89.1dBmanufacturer; using T/S-derived value (3.5dB delta).
EBP
166
Vented alignment
Vd
18cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
15 degrees240 ptsp1medium
30 degrees218 ptsp1medium
45 degrees240 ptsp1medium
Curve provenanceInspect 3 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
240 plotted pointsMedium confidence645 selected pixels of 963 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
218 plotted pointsMedium confidence504 selected pixels of 745 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
240 plotted pointsMedium confidence625 selected pixels of 1,063
T/S Parameters
Valid
Fs53Hz
Qts0.28
Qes0.32
Qms1.9
Vas4.9L
Re3.4Ω
Le0.45mH
BL4.9Tm
Sd52cm²
Mms7g
Xmax3.5mm
SPL86dB
Power30W
Impedance4Ω
F Low50Hz
F High15000Hz
Pricing & availability
Price definitionsNo current price found
Pricing may appear after the next vendor refresh.
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.
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Direct import · Web app
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Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Diameter101.6mm
Overall Depth50.8mm
Cutout Diameter101.6mm
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
Dayton Audio
CF120-4
2"
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
4 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
69%
Similarity
Morel
MSW 424D
2"
Xmax4mm+14%
Qts0.32+14%
BL4.5Tm-10%
Vas4.8L-2%
Qes0.38+19%
62%
Similarity
£165.60
Morel
CAW 428D
2"
Xmax4mm+14%
Qts0.33+18%
BL5.2Tm+6%
Vas5.1L+5%
Qes0.43+33%
56%
Similarity
Morel
EM 428D
2"
Xmax4mm+14%
Qts0.33+18%
BL6Tm+20%
Vas4.1L-16%
Qes0.4+23%
56%
Similarity
Tang Band
W3-1878
3"
Xmax4mm+14%
Qts0.280%
BL4.3Tm-13%
Vas3.1L-37%
Qes0.34+6%