Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF DriverFTR12 series
Celestion
Celestion FTR12-4075F
Celestion FTR12-4075F is a 12" 4 ohm LF driver rated at 700W RMS. The validated T/S data includes Fs 37Hz, Qts 0.27, Vas 89.2L, Xmax 9mm, sensitivity 94dB, plus 478cm³ Vd and 127 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
4Ω
RMS Power
700W
Sensitivity
94.0dB
95.0dBmanufacturer; using T/S-derived value (1.0dB delta).
EBP
127
Vented alignment
Vd
478cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
LF frequency response130 ptsp1medium
Curve provenanceInspect 1 traceHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
LF frequency response
Frequency response
130 plotted pointsMedium confidence135 selected pixels of 278
T/S Parameters
Valid
Fs37Hz
Qts0.27
Qes0.29
Qms4.0
Vas89.2L
Re2.9Ω
Le0.83mH
BL12.6Tm
Sd531cm²
Mms82g
Xmax9.0mm
SPL94dB
Power700W
Impedance4Ω
F Low60Hz
F High600Hz
Voice Coil100mm
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.
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.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
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Direct import · Web app
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Plain text · Clipboard
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Dimensions & Physical
Weight8.8kg
Diameter315.0mm
Overall Depth121.0mm
Cutout Diameter283.0mm
Bolt Circle Diameter294.0mm
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
Celestion
FTR12-4075F
12"
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
5 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
75%
Similarity
Scanspeak
28W/4878T01
12"
Xmax7mm-22%
Qts0.26-4%
BL12Tm-5%
Vas104L+17%
Qes0.27-8%
60%
Similarity
£175.00
Eminence
KAPPALITE 3012LF
12"
Xmax9.1mm+1%
Qts0.32+18%
BL16.7Tm+33%
Vas106.7L+20%
Qes0.34+16%
59%
Similarity
Scanspeak
28W/8878T01
12"
Xmax7.5mm-17%
Qts0.31+14%
BL14.9Tm+18%
Vas116L+30%
Qes0.33+13%
55%
Similarity
£221.00
B&C
12NDL88
12"
Xmax8mm-11%
Qts0.24-12%
BL16.6Tm+32%
Vas57L-36%
Qes0.25-14%
38%
Similarity
Celestion
CNX1230
12"
Xmax6.5mm-28%
Qts0.34+24%
BL16.3Tm+30%
Vas68.4L-23%
Qes0.36+23%