Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 12NBX100 4Ω
LF DriverMedia
Auto-advancing
Overview
LF Driver12NBX series
B&C
B&C 12NBX100
B&C 12NBX100 is a 12" 4 ohm LF driver rated at 1000W RMS. The validated T/S data includes Fs 40Hz, Qts 0.22, Vas 46.5L, Xmax 10mm, sensitivity 93.1dB, plus 531cm³ Vd and 174 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £247.00.
Size
12"
Impedance
4Ω
RMS Power
1000W
Sensitivity
93.1dB
EBP
174
Vented alignment
Vd
531cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs40Hz
Qts0.22
Qes0.23
Qms7.0
Vas46.5L
Re3.6Ω
Le1.35mH
BL23.0Tm
Sd531cm²
Mms133g
Xmax10.0mm
SPL93dB
Power1000W
Power Nominal1000W
Impedance4Ω
Min Impedance4.5Ω
F Low40Hz
F High1500Hz
Voice Coil100mm
Flux Density1.10T
Pricing & availability
Price definitionsPrice movement
Other offers
2 vendorsjpleisure
Updated 7 Aug 2026· 4Ω
Source: ex VAT · 20%
£252.08
inc VAT
In stock
jpleisure
Updated 11 Sept 2026· 4Ω
Source: ex VAT · 20%
£252.08
inc VAT
In stock
Best current price
Updated 11 Sept 2026
bluearan
£247.00
Avg £250.39£3.39 below avg (-1.4%)
inc VAT
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
Weight8.3kg
Diameter320.0mm
Overall Depth143.0mm
Cutout Diameter280.0mm
Bolt Circle Diameter300.0mm
Additional Manufacturer Specs
Bl23.04 Tm
Fs40 Hz
Le1.35 mH
Re3.6 Ω
Sd531 cm² (82 in²)
Ebp174 Hz
Mms133 g
Qes0.23
Qms7.05
Qts0.22
Vas46.5 dm³ (1.64 ft³)
η01.27 %
ConeRCK12NBX1004
Xmax10 mm
Xvar10 mm
SpiderDouble Silicone
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth25 mm (1 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter320 mm (12 in)
Winding MaterialCopper
Magnetic Gap Depth11 mm (0.43 in)
Recommended Tuning50 Hz
Bolt Circle Diameter300 mm (11.8 in)
Recommended Enclosure40 dm³ (1.41 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter280 mm (11 in)
Flange And Gasket Thickness12 mm (0.47 in)
Air Volume Occupied By Driver4 dm³ (0.14 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
12NBX100
12"
Best current price
£247.00
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.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
53%
Similarity
39% cheaper£151.51
B&C
12FW76
12"
Lower price
Xmax7mm-30%
Qts0.18-18%
BL26.4Tm+15%
Vas45L-3%
Qes0.18-22%
51%
Similarity
32% cheaper£169.00
B&C
12NDL76
12"
Lower price
Xmax7mm-30%
Qts0.2-9%
BL20.1Tm-13%
Vas73L+57%
Qes0.21-9%
40%
Similarity
32% cheaper£169.00
B&C
12NDL76
12"
Lower price
Xmax7mm-30%
Qts0.27+23%
BL24.7Tm+7%
Vas69L+48%
Qes0.3+30%
45%
Similarity
29% cheaper£174.16
Beyma
12MCB700
12"
Lower price
Xmax7mm-30%
Qts0.27+23%
BL20.4Tm-11%
Vas59.5L+28%
Qes0.29+26%
43%
Similarity
27% cheaper£180.61
FaitalPRO
12FH530
12"
Lower price
Xmax7.5mm-25%
Qts0.26+18%
BL18.9Tm-18%
Vas74.1L+59%
Qes0.27+17%
63%
Similarity
24% cheaper£187.93
RCF
MB12X351
12"
Lower price
Xmax7mm-30%
Qts0.26+18%
BL22.5Tm-2%
Vas46L-1%
Qes0.27+17%
62%
Similarity
21% cheaper£194.77
B&C
12PS100
12"
Lower price
Xmax8mm-20%
Qts0.27+23%
BL22.5Tm-2%
Vas47L+1%
Qes0.29+26%
60%
Similarity
17% cheaper£204.88
B&C
12NDL88
12"
Lower price
Xmax8mm-20%
Qts0.24+9%
BL16.6Tm-28%
Vas57L+23%
Qes0.25+9%
86%
Similarity
15% cheaper£209.86
B&C
12TBX100
12"
Lower price
Xmax9mm-10%
Qts0.23+5%
BL22.9Tm-1%
Vas41.1L-12%
Qes0.24+4%
65%
Similarity
15% cheaper£209.86
B&C
12TBX100
12"
Lower price
Xmax9mm-10%
Qts0.26+18%
BL25.5Tm+11%
Vas37.5L-19%
Qes0.27+17%
62%
Similarity
12% cheaper£217.96
Beyma
12MC700ND
12"
Lower price
Xmax7mm-30%
Qts0.24+9%
BL21.6Tm-6%
Vas58L+25%
Qes0.26+13%
54%
Similarity
12% cheaper£218.40
B&C
12NDL88
12"
Lower price
Xmax8mm-20%
Qts0.27+23%
BL19.9Tm-14%
Vas52L+12%
Qes0.29+26%