Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespJensen C8R-4 4Ω
LF DriverMedia
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Overview
LF DriverVintage Ceramic series
Jensen
Jensen C8R-4
Jensen C8R-4 is a 8" 4 ohm LF driver rated at 25W RMS. The validated T/S data includes Fs 131Hz, Qts 1.42, Vas 10.3L, Xmax 1mm, sensitivity 92.3dB, plus 21cm³ Vd and 60 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
8"
Impedance
4Ω
RMS Power
25W
Sensitivity
92.3dB
94.4dBmanufacturer; using T/S-derived value (2.1dB delta).
EBP
60
Either alignment
Vd
21cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
C8R - 4 ohm – SPL121 ptshigh
Curve provenanceInspect 2 tracesHide details
These plotted lines reproduce manufacturer-provided structured chart data, not Bits measurements or pixel digitizations. How provenance works
- Trace jensen-structured-response/v1
C8R - 4 ohm – SPL
Frequency response
121 plotted pointsManufacturer structured chart dataSource payload SHA-256 8ab2cf26f4f6…Series C8R - 4 ohmHigh confidence - Trace jensen-structured-response/v1
C8R - 4 ohm – free-air impedance
Impedance response
121 plotted pointsManufacturer structured chart dataSource payload SHA-256 8ab2cf26f4f6…Series C8R - 4 ohmHigh confidence
T/S Parameters
Valid
Fs131Hz
Qts1.42
Qes2.18
Qms9.7
Vas10.3L
Re3.0Ω
Le0.22mH
BL3.8Tm
Sd214cm²
Mms9g
Xmax1.0mm
SPL92dB
Power25W
Power Nominal25W
Impedance4Ω
Voice Coil25mm
Flux Density1.00T
Pricing & availability
Price definitionsNo standard offers found
Check the manufacturer website for current pricing.
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
Weight1.0kg
Diameter207.0mm
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
Jensen
C8R-4
8"
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