Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF Driver
Tang Band
Tang Band W4-937SF
Tang Band W4-937SF is a 4" 8 ohm LF driver rated at 25W RMS. The validated T/S data includes Fs 65Hz, Qts 0.26, Vas 4.9L, Xmax 4.5mm, sensitivity 88.1dB, plus 26cm³ Vd and 197 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
4"
Impedance
8Ω
RMS Power
25W
Sensitivity
88.1dB
EBP
197
Vented alignment
Vd
26cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
spl240 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
spl
Frequency response
240 plotted pointsMedium confidence1,153 selected pixels of 1,906 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence2,632 selected pixels of 2,632
Overall Parameters
Valid
Fs65Hz
Qts0.26
Qes0.33
Qms1.2
Vas4.9L
Re6.8Ω
Le0.49mH
BL6.7Tm
Sd57cm²
Mms5g
Xmax4.5mm
SPL88dB
Power25W
Impedance8Ω
Hybrid view: LF section is used for excursion/motor values, while frequency limits merge upper sections.
What this validation status meansPricing & 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
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Driver Components
LFPrimary
4"Fs65 Hz
Qts0.26
Qes0.33
Qms1.2
Vas4.9 L
Re6.8 Ω
Le0.49 mH
BL6.7 Tm
Sd57 cm²
Mms5 g
Xmax4.5 mm
SPL88 dB
Power25 W
Impedance8 Ω
Power Peak50
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
Tang Band
W4-937SF
4"
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
7 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
70%
Similarity
CIARE
HW100
4"
Xmax4.3mm-4%
Qts0.31+19%
BL5.6Tm-16%
Vas4.3L-12%
Qes0.37+12%
70%
Similarity
CIARE
HWL100
4"
Xmax4.3mm-4%
Qts0.31+19%
BL5.6Tm-16%
Vas4.3L-12%
Qes0.37+12%
57%
Similarity
Tang Band
W4-657D
4"
Xmax3.3mm-27%
Qts0.32+23%
BL5.6Tm-16%
Vas5.6L+15%
Qes0.35+6%
51%
Similarity
£289.95
Scanspeak
12MU/8731T00
5"
Xmax3.4mm-24%
Qts0.29+12%
BL6.1Tm-9%
Vas5.8L+19%
Qes0.31-6%
48%
Similarity
£51.19
B&C
4NDS34
4"
Xmax3.8mm-16%
Qts0.24-8%
BL8.8Tm+32%
Vas2.6L-47%
Qes0.25-24%
45%
Similarity
Sica
5 F 1.5 CP
5"
Xmax3.5mm-22%
Qts0.3+15%
BL7.6Tm+13%
Vas6.8L+40%
Qes0.330%
43%
Similarity
£289.95
Scanspeak
12MU/4731T00
5"
Xmax3.5mm-22%
Qts0.24-8%
BL5.1Tm-24%
Vas5.4L+11%
Qes0.26-21%