Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespDayton Audio ND90-4 4Ω
LF DriverMedia
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Overview
LF Driver
Dayton Audio
Dayton Audio ND90-4
Dayton Audio ND90-4 is a 2" 4 ohm LF driver rated at 20W RMS. The validated T/S data includes Fs 90Hz, Qts 0.63, Vas 1.1L, Xmax 4mm, sensitivity 82.4dB, plus 12cm³ Vd and 125 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
2"
Impedance
4Ω
RMS Power
20W
Sensitivity
82.4dB
85.7dBmanufacturer; using T/S-derived value (3.3dB delta).
EBP
125
Vented alignment
Vd
12cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
15 degrees218 ptsp1medium
30 degrees208 ptsp1medium
45 degrees188 ptsp1medium
Curve provenanceInspect 4 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
218 plotted pointsMedium confidence582 selected pixels of 866 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
208 plotted pointsMedium confidence519 selected pixels of 888 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
188 plotted pointsMedium confidence570 selected pixels of 1,037 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,344 selected pixels of 1,344
T/S Parameters
Valid
Fs90Hz
Qts0.63
Qes0.72
Qms5.1
Vas1.1L
Re3.6Ω
Le0.62mH
BL3.5Tm
Sd31cm²
Mms4g
Xmax4.0mm
SPL82dB
Power20W
Impedance4Ω
F Low80Hz
F High15000Hz
Pricing & availability
Price definitionsVendor offers
1 vendorsoundimports
Updated 11 Sept 2026· 4Ω
Source: inc VAT
£38.62
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
Weight0.2kg
Diameter103.5mm
Overall Depth60.8mm
Cutout Diameter85.0mm
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
Dayton Audio
ND90-4
2"
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.
4 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
70%
Similarity
Dayton Audio
CE70PR-6
2.5"
Xmax4mm0%
Qts0.630%
BL3.1Tm-10%
Vas0.5L-51%
Qes0.77+7%
64%
Similarity
Dayton Audio
ND65-4
2"
Xmax3.5mm-12%
Qts0.61-3%
BL2.7Tm-23%
Vas0.5L-50%
Qes0.68-6%
55%
Similarity
Peerless
PLS-75F25AL02-08
3"
Xmax3.4mm-16%
Qts0.74+17%
BL3.6Tm+3%
Vas1.1L+2%
Qes0.84+16%
51%
Similarity
£11.17
Lavoce
WSF030.70
3"
Xmax3.3mm-18%
Qts0.61-3%
BL4.7Tm+34%
Vas0.9L-16%
Qes0.71-1%