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Overview
LF Driver
Dayton Audio
Dayton Audio RS125-4
Dayton Audio RS125-4 is a 5" 4 ohm LF driver rated at 30W RMS. The validated T/S data includes Fs 57Hz, Qts 0.37, Vas 5.3L, Xmax 4mm, sensitivity 85.5dB, plus 21cm³ Vd and 127 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
5"
Impedance
4Ω
RMS Power
30W
Sensitivity
85.5dB
89.9dBmanufacturer; using T/S-derived value (4.4dB delta).
EBP
127
Vented alignment
Vd
21cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
15 degrees240 ptsp1medium
30 degrees240 ptsp1medium
45 degrees234 ptsp1medium
on-axis240 ptsp1medium
Curve provenanceInspect 5 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 confidence740 selected pixels of 1,055 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence725 selected pixels of 901 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
234 plotted pointsMedium confidence581 selected pixels of 1,291 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence1,254 selected pixels of 1,254 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence919 selected pixels of 919
T/S Parameters
Valid
Fs57Hz
Qts0.37
Qes0.45
Qms2.0
Vas5.3L
Re2.9Ω
Le0.28mH
BL3.6Tm
Sd53cm²
Mms6g
Xmax4.0mm
SPL86dB
Power30W
Impedance4Ω
F Low65Hz
F High5400Hz
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.
Download for VituixCAD00 Simulator
Direct import · Web app
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Plain text · Clipboard
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Dimensions & Physical
Diameter125.5mm
Overall Depth54.2mm
Cutout Diameter94.0mm
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
RS125-4
5"
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
Image unavailable
74%
Similarity
Wavecor
WF120BD05
4.5"
Xmax4mm0%
Qts0.43+16%
BL4.1Tm+13%
Vas5.3L0%
Qes0.450%
Image unavailable
72%
Similarity
Wavecor
WF120BD06
4.5"
Xmax4mm0%
Qts0.4+8%
BL4.1Tm+13%
Vas6.2L+17%
Qes0.42-7%
Image unavailable
70%
Similarity
Wavecor
WF118WA07
4.5"
Xmax4mm0%
Qts0.36-3%
BL4.5Tm+24%
Vas4.9L-7%
Qes0.38-16%
Image unavailable
60%
Similarity
Wavecor
SW118WA01
4.5"
Xmax4mm0%
Qts0.39+5%
BL4.7Tm+29%
Vas3.3L-38%
Qes0.41-9%
Image unavailable
57%
Similarity
Wavecor
WF120BD12
4.5"
Xmax3mm-25%
Qts0.38+3%
BL4.2Tm+16%
Vas3.9L-26%
Qes0.4-11%
56%
Similarity
£47.06
SB Acoustics
SB12MNRX2-25-4
4"
Xmax4.4mm+10%
Qts0.32-14%
BL3.9Tm+7%
Vas5.3L0%
Qes0.35-22%
Image unavailable
54%
Similarity
Wavecor
WF120BD11
4.5"
Xmax3mm-25%
Qts0.39+5%
BL4.2Tm+16%
Vas3.8L-28%
Qes0.4-11%
53%
Similarity
Visaton
W 100 S - 4 Ohm
4"
Xmax4mm0%
Qts0.46+24%
BL3.7Tm+2%
Vas4.5L-15%
Qes0.54+20%
49%
Similarity
£65.90
Tang Band
W4-1720
4"
Xmax5mm+25%
Qts0.42+14%
BL3.8Tm+5%
Vas5.9L+12%
Qes0.51+13%
44%
Similarity
Tang Band
W4-1052SD
4"
Xmax3.4mm-15%
Qts0.44+19%
BL3.4Tm-5%
Vas7.6L+43%
Qes0.49+9%
44%
Similarity
Tang Band
W4-1052SD
4"
Xmax3.4mm-15%
Qts0.44+19%
BL3.4Tm-5%
Vas7.6L+43%
Qes0.49+9%
42%
Similarity
Tang Band
W4-1320SJ
4"
Xmax3mm-25%
Qts0.35-5%
BL4.7Tm+29%
Vas6.4L+21%
Qes0.49+9%