Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Precision Devices PD.121/2 8Ω
LF DriverMedia
Auto-advancing
Overview
LF DriverPD series
Precision Devices
Precision Devices PD.121/2
Precision Devices PD.121/2 is a 12" 8 ohm LF driver rated at 300W RMS. The validated T/S data includes Fs 53Hz, Qts 0.23, Vas 66.6L, Xmax 2.7mm, sensitivity 98.4dB, plus 143cm³ Vd and 232 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £172.00.
Size
12"
Impedance
8Ω
RMS Power
300W
Sensitivity
98.4dB
EBP
232
Vented alignment
Vd
143cm³
T/S Parameters
Valid
Fs53Hz
Qts0.23
Qes0.23
Qms14.7
Vas66.6L
Re5.9Ω
BL21.5Tm
Sd531cm²
Mms65g
Xmax2.7mm
SPL98dB
Power300W
Impedance8Ω
F Low100Hz
F High6000Hz
Voice Coil63mm
Flux Density1.50T
Pricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
thomann
£172.00
inc VAT·In 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.
Not enough T/S data
Missing Le
BASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Not enough T/S data
Missing Le
VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Not enough T/S data
Missing Le
00 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
Weight9.2kg
Diameter331.0mm
Overall Depth112.2mm
Cutout Diameter282.0mm
Bolt Circle Diameter318.0mm
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
Precision Devices
PD.121/2
12"
Best current price
£172.00
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.
8 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
57%
Similarity
20% cheaper£137.69
B&C
12PE32
12"
Lower price
Xmax2.8mm+4%
Qts0.18-22%
BL19.1Tm-11%
Vas101L+52%
Qes0.19-17%
69%
Similarity
20% more£206.15
Eighteen Sound
12MB1000
12"
Higher price
Xmax2.5mm-7%
Qts0.18-22%
BL23.5Tm+10%
Vas60L-10%
Qes0.2-13%
74%
Similarity
22% more£210.18
BMS
12N610
12"
Higher price
Xmax3.5mm+30%
Qts0.24+4%
BL21Tm-2%
Vas70L+5%
Qes0.25+9%
85%
Similarity
33% more£228.36
BMS
12C262
12"
Higher price
Xmax2.5mm-7%
Qts0.24+4%
BL20.6Tm-4%
Vas60.6L-9%
Qes0.25+9%
55%
Similarity
47% more£252.00
Eighteen Sound
12NMB1000
12"
Higher price
Xmax3.5mm+30%
Qts0.19-17%
BL24.4Tm+14%
Vas58L-13%
Qes0.19-17%
90%
Similarity
Beyma
112MI108
12"
Xmax3mm+11%
Qts0.22-4%
BL21.6Tm+1%
Vas64L-4%
Qes0.230%
76%
Similarity
BMS
12S310
12"
Xmax2.5mm-7%
Qts0.2-13%
BL24.2Tm+13%
Vas66.9L0%
Qes0.2-13%
60%
Similarity
Oberton
12L300
12"
Xmax3.3mm+20%
Qts0.25+10%
BL16.8Tm-22%
Vas79.6L+20%
Qes0.26+13%