Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespEighteen Sound 12ND940 8Ω
LF DriverMedia
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Overview
LF Driver
Eighteen Sound
Eighteen Sound 12ND940
Eighteen Sound 12ND940 is a 12" 8 ohm LF driver rated at 600W RMS. The validated T/S data includes Fs 49Hz, Qts 0.20, Vas 64.8L, Xmax 7.6mm, sensitivity 97.8dB, plus 404cm³ Vd and 245 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
8Ω
RMS Power
600W
Sensitivity
97.8dB
100.0dBmanufacturer; using T/S-derived value (2.2dB delta).
EBP
245
Vented alignment
Vd
404cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
frequency response240 ptsp2medium
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
frequency response
Frequency response
240 plotted pointsMedium confidence11,460 selected pixels of 11,460
T/S Parameters
Valid
Fs49Hz
Qts0.20
Qes0.20
Qms5.6
Vas64.8L
Re5.0Ω
Le0.57mH
BL22.2Tm
Sd531cm²
Mms66g
Xmax7.6mm
SPL98dB
Power600W
Power Nominal600W
Impedance8Ω
F Low50Hz
F High3000Hz
Pricing & availability
Price definitionsVendor offers
1 vendorleanaudio
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£209.77
inc VAT
Back order
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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Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight4.3kg
Diameter310.0mm
Overall Depth147.0mm
Cutout Diameter283.0mm
Bolt Circle Diameter295.0mm
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
Eighteen Sound
12ND940
12"
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
93%
Similarity
£371.39
Beyma
12P80ND
12"
Xmax7.5mm-1%
Qts0.19-5%
BL23.7Tm+7%
Vas65L0%
Qes0.20%
89%
Similarity
Oberton
12NB450
12"
Xmax7.8mm+2%
Qts0.2+2%
BL20.3Tm-8%
Vas72.6L+12%
Qes0.21+4%
88%
Similarity
Beyma
112P80FEV28
12"
Xmax7.5mm-1%
Qts0.21+5%
BL23Tm+4%
Vas61L-6%
Qes0.22+10%
86%
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£228.13
RCF
MB12N405
12"
Xmax7mm-8%
Qts0.20%
BL23.5Tm+6%
Vas53L-18%
Qes0.21+5%
86%
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£169.00
B&C
12NDL76
12"
Xmax7mm-8%
Qts0.20%
BL20.1Tm-9%
Vas73L+13%
Qes0.21+5%
84%
Similarity
£104.34
RCF
MB12N351
12"
Xmax6mm-21%
Qts0.20%
BL22.5Tm+1%
Vas61L-6%
Qes0.21+5%
80%
Similarity
£226.95
Eighteen Sound
12ND930
12"
Xmax6.5mm-14%
Qts0.21+5%
BL21.2Tm-5%
Vas70L+8%
Qes0.22+10%
78%
Similarity
£139.00
B&C
12CL76
12"
Xmax6mm-21%
Qts0.21+5%
BL22.4Tm+1%
Vas59L-9%
Qes0.22+10%
77%
Similarity
RCF
LF12P903
12"
Xmax7mm-8%
Qts0.23+15%
BL22.1Tm0%
Vas65L0%
Qes0.24+20%
74%
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£259.00
B&C
12NW100
12"
Xmax9mm+18%
Qts0.20%
BL24.4Tm+10%
Vas43.3L-33%
Qes0.21+5%
73%
Similarity
£435.65
RCF
CX12N351
12"
Xmax6mm-21%
Qts0.20%
BL25Tm+13%
Vas47L-27%
Qes0.21+5%
73%
Similarity
Sica
12 F 4 CP
12"
Xmax6mm-21%
Qts0.20%
BL26Tm+17%
Vas52L-20%
Qes0.21+5%