Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespEighteen Sound 6NMB420 8Ω
LF DriverMedia
Overview
LF Driver
Eighteen Sound
Eighteen Sound 6NMB420
Eighteen Sound 6NMB420 is a 6.5" 8 ohm LF driver rated at 200W RMS. The validated T/S data includes Fs 110Hz, Qts 0.33, Vas 6.1L, Xmax 3mm, sensitivity 95.3dB, plus 39cm³ Vd and 289 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £115.20.
Size
6.5"
Impedance
8Ω
RMS Power
200W
Sensitivity
95.3dB
100.0dBmanufacturer; using T/S-derived value (4.7dB delta).
EBP
289
Vented alignment
Vd
39cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
frequency response240 ptsp2medium
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
frequency response
Frequency response
240 plotted pointsMedium confidence2,526 selected pixels of 2,956 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,549 selected pixels of 1,922
T/S Parameters
Valid
Fs110Hz
Qts0.33
Qes0.38
Qms2.7
Vas6.1L
Re5.3Ω
Le0.10mH
BL9.0Tm
Sd130cm²
Mms9g
Xmax3.0mm
SPL95dB
Power200W
Power Nominal200W
Impedance8Ω
F Low200Hz
F High7000Hz
Pricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
leanbusiness
£115.20
inc VAT
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
Weight1.3kg
Diameter162.0mm
Overall Depth73.0mm
Cutout Diameter148.0mm
Bolt Circle Diameter170.0mm
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
6NMB420
6.5"
Best current price
£115.20
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.
69%
Similarity
77% cheaper£26.27
Lavoce
WSF061.52
6.5"
Lower price
Xmax3.8mm+27%
Qts0.34+3%
BL10.8Tm+20%
Vas6.6L+9%
Qes0.36-5%
54%
Similarity
65% cheaper£40.47
CIARE
CME160
6.5"
Lower price
Xmax3.5mm+17%
Qts0.4+21%
BL7.6Tm-16%
Vas4.5L-26%
Qes0.45+18%
63%
Similarity
57% cheaper£49.78
Lavoce
WSN061.52
6.5"
Lower price
Xmax3.8mm+27%
Qts0.39+18%
BL9.9Tm+10%
Vas5.9L-3%
Qes0.42+11%
59%
Similarity
35% cheaper£74.45
B&C
6MBX44
6.5"
Lower price
Xmax3.5mm+17%
Qts0.31-6%
BL11.7Tm+30%
Vas4.1L-33%
Qes0.34-11%
54%
Similarity
27% cheaper£84.13
FaitalPRO
6PR122
6"
Lower price
Xmax2.8mm-8%
Qts0.39+18%
BL10.5Tm+17%
Vas4.7L-23%
Qes0.44+16%
61%
Similarity
26% cheaper£85.46
FaitalPRO
6PR150
6"
Lower price
Xmax2.6mm-12%
Qts0.34+3%
BL11.6Tm+29%
Vas4.9L-20%
Qes0.35-8%
79%
Similarity
25% cheaper£86.62
B&C
6PEV13
6.5"
Lower price
Xmax2.5mm-17%
Qts0.36+9%
BL8.2Tm-9%
Vas6L-2%
Qes0.39+3%
42%
Similarity
16% cheaper£96.40
B&C
6MDN44
6.5"
Lower price
Xmax2.5mm-17%
Qts0.4+21%
BL11Tm+22%
Vas2.7L-56%
Qes0.46+21%
63%
Similarity
4% more£120.06
Beyma
6G40ND
6.5"
Higher price
Xmax3mm0%
Qts0.38+15%
BL10.6Tm+18%
Vas3.7L-39%
Qes0.45+18%
66%
Similarity
HiVi
D6.4MKII
6.5"
Xmax3.5mm+17%
Qts0.35+6%
BL7.8Tm-13%
Vas8.5L+39%
Qes0.41+8%
66%
Similarity
Sica
6 N 2 PL
6"
Xmax3.5mm+17%
Qts0.330%
BL9.5Tm+6%
Vas8.7L+43%
Qes0.36-5%
51%
Similarity
Oberton
6NM150
6.5"
Xmax2.3mm-25%
Qts0.38+14%
BL11.6Tm+29%
Vas4L-34%
Qes0.4+6%