Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespGRS 12SW-4HE 4Ω
LF DriverMedia
Auto-advancing
Overview
LF Driver
GRS
GRS 12SW-4HE
GRS 12SW-4HE is a 12" 4 ohm LF driver rated at 250W RMS. The validated T/S data includes Fs 22Hz, Qts 0.43, Vas 2.8L, Xmax 12.5mm, sensitivity 70dB, plus 634cm³ Vd and 46 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
4Ω
RMS Power
250W
Sensitivity
70.0dB
84.5dBmanufacturer; using T/S-derived value (14.5dB delta).
EBP
46
Sealed alignment
Vd
634cm³
T/S Parameters
Valid
Fs22Hz
Qts0.43
Qes0.48
Qms4.1
Vas2.8L
Re3.9Ω
Le3.50mH
BL16.2Tm
Sd507cm²
Mms237g
Xmax12.5mm
SPL70dB
Power250W
Impedance4Ω
F Low20Hz
F High500Hz
Voice Coil51mm
Pricing & availability
Price definitionsVendor offers
1 vendorsoundimports
Updated 11 Sept 2026
Source: inc VAT
£72.13
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
Diameter308.0mm
Overall Depth160.0mm
Cutout Diameter279.4mm
Bolt Circle Diameter294.6mm
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
GRS
12SW-4HE
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.
Loading matches