Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespBMS 12N820 8Ω
LF DriverMedia
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Overview
LF Driver
BMS
BMS 12N820
BMS 12N820 is a 12" 8 ohm LF driver rated at 800W RMS. The validated T/S data includes Fs 38Hz, Qts 0.16, Vas 98.7L, Xmax 4.5mm, sensitivity 97.3dB, plus 239cm³ Vd and 236 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
8Ω
RMS Power
800W
Sensitivity
97.3dB
EBP
236
Vented alignment
Vd
239cm³
T/S Parameters
Valid
Fs38Hz
Qts0.16
Qes0.16
Qms5.3
Vas98.7L
Re5.7Ω
Le0.62mH
BL24.2Tm
Sd531cm²
Mms72g
Xmax4.5mm
SPL97dB
Power800W
Impedance8Ω
F Low45Hz
F High1700Hz
Voice Coil102mm
Pricing & availability
Price definitionsVendor offers
1 vendorleanaudio
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£285.67
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
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Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
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Dimensions & Physical
Weight5.5kg
Diameter318.0mm
Overall Depth155.0mm
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
12N820
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.
9 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
75%
Similarity
£266.75
Eighteen Sound
12ND610
12"
Xmax3.5mm-22%
Qts0.14-12%
BL24Tm-1%
Vas94.4L-4%
Qes0.15-6%
67%
Similarity
£149.00
Eighteen Sound
12MB600
12"
Xmax4.5mm0%
Qts0.18+12%
BL18Tm-26%
Vas115L+17%
Qes0.19+19%
63%
Similarity
£181.89
Eighteen Sound
12MB700
12"
Xmax4.5mm0%
Qts0.19+19%
BL17.8Tm-26%
Vas101L+2%
Qes0.2+25%
63%
Similarity
Eighteen Sound
12MB777
12"
Xmax4.5mm0%
Qts0.19+19%
BL17.8Tm-26%
Vas101L+2%
Qes0.2+25%
61%
Similarity
Oberton
12NB400
12"
Xmax5.3mm+17%
Qts0.18+12%
BL20.3Tm-16%
Vas70.5L-29%
Qes0.18+14%
59%
Similarity
Oberton
12NMB600
12"
Xmax5.3mm+17%
Qts0.13-16%
BL27.8Tm+15%
Vas70.8L-28%
Qes0.14-14%
57%
Similarity
£166.61
B&C
12MH32
12"
Xmax5mm+11%
Qts0.19+19%
BL22.3Tm-8%
Vas63L-36%
Qes0.2+25%
55%
Similarity
£252.00
Eighteen Sound
12NMB1000
12"
Xmax3.5mm-22%
Qts0.19+19%
BL24.4Tm+1%
Vas58L-41%
Qes0.19+19%
36%
Similarity
Precision Devices
PD.1225C001
12"
Xmax5.6mm+24%
Qts0.19+18%
BL17.5Tm-28%
Vas156L+58%
Qes0.2+22%