Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespEighteen Sound 15NMB420 8Ω
LF DriverMedia
Overview
LF Driver
Eighteen Sound
Eighteen Sound 15NMB420
Eighteen Sound 15NMB420 is a 15" 8 ohm LF driver rated at 450W RMS. The validated T/S data includes Fs 42Hz, Qts 0.29, Vas 225L, Xmax 6.5mm, sensitivity 99.5dB, plus 585cm³ Vd and 140 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
15"
Impedance
8Ω
RMS Power
450W
Sensitivity
99.5dB
EBP
140
Vented alignment
Vd
585cm³
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 confidence1,475 selected pixels of 1,475
T/S Parameters
Valid
Fs42Hz
Qts0.29
Qes0.30
Qms6.0
Vas225.0L
Re5.6Ω
Le0.80mH
BL19.0Tm
Sd900cm²
Mms73g
Xmax6.5mm
SPL100dB
Power450W
Power Nominal450W
Impedance8Ω
F Low40Hz
F High5000Hz
Pricing & availability
Price definitionsVendor offers
1 vendorleanaudio
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£340.34
inc VAT
Out of stock
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
Weight3.9kg
Diameter387.0mm
Overall Depth169.0mm
Cutout Diameter353.0mm
Bolt Circle Diameter370.0mm
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
15NMB420
15"
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
Beyma
115WR408
15"
Xmax6.3mm-3%
Qts0.3+3%
BL19.2Tm+1%
Vas236L+5%
Qes0.31+3%
91%
Similarity
£181.89
Eighteen Sound
15W700
15"
Xmax6.5mm0%
Qts0.3+3%
BL18.4Tm-3%
Vas217L-4%
Qes0.33+10%
88%
Similarity
£396.97
B&C
15CXN76
15"
Xmax6mm-8%
Qts0.28-3%
BL17.8Tm-6%
Vas246L+9%
Qes0.30%
88%
Similarity
£399.49
B&C
15HCX76
15"
Xmax6mm-8%
Qts0.28-3%
BL17.8Tm-6%
Vas246L+9%
Qes0.30%
87%
Similarity
Beyma
115XA38ND8
15"
Xmax6mm-8%
Qts0.3+3%
BL20.4Tm+7%
Vas238L+6%
Qes0.31+3%
87%
Similarity
Eighteen Sound
15ND730
15"
Xmax6.5mm0%
Qts0.290%
BL21Tm+11%
Vas156L-31%
Qes0.30%
84%
Similarity
£173.41
Eighteen Sound
15MB700
15"
Xmax5.5mm-15%
Qts0.290%
BL17.6Tm-7%
Vas202L-10%
Qes0.31+3%
83%
Similarity
£153.86
Eminence
KAPPA PRO-15LF
15"
Xmax6.7mm+3%
Qts0.3+3%
BL21.6Tm+14%
Vas198.8L-12%
Qes0.32+7%
83%
Similarity
Oberton
15B450 / 15B450A / 15B450A2
15"
Xmax6.8mm+4%
Qts0.29-1%
BL20.4Tm+8%
Vas146.8L-35%
Qes0.29-2%
83%
Similarity
Monacor
FTX1530/8
15"
Xmax6mm-8%
Qts0.28-5%
BL20.2Tm+6%
Vas172.1L-24%
Qes0.3-1%
83%
Similarity
Celestion
FTX1530
15"
Xmax6mm-8%
Qts0.28-5%
BL20.2Tm+6%
Vas172.1L-24%
Qes0.3-1%
82%
Similarity
£239.90
Eighteen Sound
15ND830
15"
Xmax6.5mm0%
Qts0.32+10%
BL18Tm-5%
Vas213L-5%
Qes0.35+17%