Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespBMS 12S320 8Ω
LF DriverMedia
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Overview
LF Driver
BMS
BMS 12S320
BMS 12S320 is a 12" 8 ohm LF driver rated at 500W RMS. The validated T/S data includes Fs 45Hz, Qts 0.20, Vas 69.5L, Xmax 4.5mm, sensitivity 96.9dB, plus 239cm³ Vd and 216 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £204.98.
Size
12"
Impedance
8Ω
RMS Power
500W
Sensitivity
96.9dB
98.0dBmanufacturer; using T/S-derived value (1.1dB delta).
EBP
216
Vented alignment
Vd
239cm³
T/S Parameters
Valid
Fs45Hz
Qts0.20
Qes0.21
Qms4.2
Vas69.5L
Re5.7Ω
Le0.75mH
BL23.3Tm
Sd531cm²
Mms69g
Xmax4.5mm
SPL97dB
Power500W
Impedance8Ω
F Low45Hz
F High2500Hz
Voice Coil76mm
Pricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
leanaudio
£204.98
inc VAT·2 in stock
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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.
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Plain text · Clipboard
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Dimensions & Physical
Weight8.1kg
Diameter318.0mm
Overall Depth149.0mm
Cutout Diameter284.0mm
Bolt Circle Diameter300.0mm
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
BMS
12S320
12"
Best current price
£204.98
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.
53%
Similarity
31% cheaper£140.76
Oberton
12B400
12"
Lower price
Xmax5.3mm+17%
Qts0.25+24%
BL18.4Tm-21%
Vas74.7L+8%
Qes0.26+22%
93%
Similarity
28% cheaper£147.86
PRV Audio
12MR1200X
12"
Lower price
Xmax4.5mm0%
Qts0.21+5%
BL22Tm-6%
Vas71.8L+3%
Qes0.210%
66%
Similarity
26% cheaper£151.02
B&C
12PLB76
12"
Lower price
Xmax5mm+11%
Qts0.23+15%
BL18.6Tm-20%
Vas75L+8%
Qes0.24+14%
55%
Similarity
25% cheaper£153.26
Eighteen Sound
12MB650
12"
Lower price
Xmax5.5mm+22%
Qts0.23+15%
BL19Tm-18%
Vas90L+29%
Qes0.24+14%
52%
Similarity
25% cheaper£153.54
B&C
12CLA76
12"
Lower price
Xmax5.3mm+18%
Qts0.25+25%
BL20.2Tm-13%
Vas56L-19%
Qes0.26+24%
84%
Similarity
19% cheaper£166.61
B&C
12MH32
12"
Lower price
Xmax5mm+11%
Qts0.19-5%
BL22.3Tm-4%
Vas63L-9%
Qes0.2-5%
71%
Similarity
11% cheaper£181.89
Eighteen Sound
12MB700
12"
Lower price
Xmax4.5mm0%
Qts0.19-5%
BL17.8Tm-24%
Vas101L+45%
Qes0.2-5%
62%
Similarity
3% more£210.18
BMS
12N610
12"
Higher price
Xmax3.5mm-22%
Qts0.24+20%
BL21Tm-10%
Vas70L+1%
Qes0.25+19%
54%
Similarity
21% more£247.26
BMS
12N620
12"
Higher price
Xmax5.5mm+22%
Qts0.25+25%
BL20.6Tm-12%
Vas72.7L+5%
Qes0.26+24%
72%
Similarity
21% more£248.59
Eighteen Sound
12ND710
12"
Higher price
Xmax5mm+11%
Qts0.20%
BL18Tm-23%
Vas92L+32%
Qes0.2-5%
74%
Similarity
23% more£252.00
Eighteen Sound
12NMB1000
12"
Higher price
Xmax3.5mm-22%
Qts0.19-5%
BL24.4Tm+5%
Vas58L-17%
Qes0.19-10%
74%
Similarity
32% more£271.01
BMS
12N802
12"
Higher price
Xmax4.5mm0%
Qts0.24+20%
BL22.3Tm-5%
Vas65L-6%
Qes0.25+19%