Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 320K/C-A 8Ω
LF DriverMedia
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Overview
LF Driver320K series
B&C
B&C 320K/C-A
B&C 320K/C-A is a 12" 8 ohm LF driver rated at 120W RMS. The validated T/S data includes Fs 82Hz, Qts 0.50, Vas 53L, Xmax 2mm, sensitivity 99.5dB, plus 104cm³ Vd and 158 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £107.29.
Size
12"
Impedance
8Ω
RMS Power
120W
Sensitivity
99.5dB
101.0dBmanufacturer; using T/S-derived value (1.5dB delta).
EBP
158
Vented alignment
Vd
104cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs82Hz
Qts0.50
Qes0.52
Qms13.3
Vas53.0L
Re5.4Ω
Le1.10mH
BL12.2Tm
Sd522cm²
Mms27g
Xmax2.0mm
SPL100dB
Power120W
Power Nominal120W
Impedance8Ω
Min Impedance6.3Ω
F Low80Hz
F High16000Hz
Voice Coil38mm
Flux Density1.40T
Pricing & availability
Price definitionsPrice movement
Other offers
2 vendorsjpleisure
Updated 11 Sept 2026· 8Ω
Source: ex VAT · 20%
£107.29
inc VAT
In stock
bluearan
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£109.99
inc VAT
Best current price
Updated 7 Aug 2026
jpleisure
£107.29
Avg £108.19£0.90 below avg (-0.8%)
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.
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
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight4.6kg
Diameter316.0mm
Overall Depth136.0mm
Cutout Diameter286.0mm
Bolt Circle Diameter298.0mm
Additional Manufacturer Specs
Bl12.2 Tm
Fs82 Hz
Le1.1 mH
Re5.4 Ω
Sd522 cm² (80.91 in²)
Ebp158 Hz
Mms27 g
Qes0.52
Qms13.3
Qts0.5
Vas53 dm³ (1.87 ft³)
η05.4 %
ConeRCK320KC8A
Xmax2 mm
SpiderSingle
Cone ShapeRadial
Pole DesignStraight Pole
Winding Depth9 mm (0.37 in)
Surround ShapeAccordion
Former MaterialKraft Paper
Magnet MaterialFerrite
Nominal Diameter320 mm (12 in)
Winding MaterialCopper
Magnetic Gap Depth9 mm (0.35 in)
Recommended Tuning75 Hz
Bolt Circle Diameter298 mm (11.73 in)
Recommended Enclosure60 dm³ (2.12 ft³)
Woofer Cone TreatmentNone
Baffle Cutout Diameter286 mm (11.26 in)
Flange And Gasket Thickness12 mm (0.47 in)
Air Volume Occupied By Driver3 dm³ (0.11 ft³)
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
B&C
320K/C-A
12"
Best current price
£107.29
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.
2 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
55%
Similarity
9% cheaper£97.63
Eminence
DELTA-12A
12"
Lower price
Xmax2.4mm+20%
Qts0.43-14%
BL13.5Tm+11%
Vas81.3L+53%
Qes0.46-12%
71%
Similarity
Celestion
TF1218
12"
Xmax2mm0%
Qts0.52+3%
BL11.2Tm-8%
Vas83L+57%
Qes0.61+17%