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B&C 12NBX100 4 Ohm woofer specs & UK prices | bits

B&C 12NBX100 4Ω

LF Driver

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Media

B&C 12NBX100 12 inch 4 ohm loudspeaker driver view 1

B&C 12NBX100 12 inch 4 ohm loudspeaker driver view 2

B&C 12NBX100 12 inch 4 ohm loudspeaker driver view 3

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Overview

LF Driver12NBX series

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

V_d

531cm³

Frequency response

Manufacturer-provided response plots and related charts.

2 images

B&C 12NBX100 response graph 1

B&C 12NBX100 response graph 2

T/S Parameters

Valid

Canonical

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

What this validation status means

Pricing & availability

Price definitions

Price movement

Best current price

£247.00

inc VAT·Vendor hidden

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.

Hornresp

.txt · Hornresp driver database

Driver file ready to place in Hornresp’s Drivers folder.

Download for Hornresp

WinISD

.wdr · WinISD driver editor

Native WinISD driver record with the required SI conversions.

Download for WinISD

BASTA!

.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 VituixCAD

00 Simulator

Direct import · Web app

Start a new enclosure simulation with this driver already loaded.

Open in 00 Simulator

Copy 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.

B&C 12NBX100 12 inch 4 ohm loudspeaker driver similar-driver reference

Reference

B&C

12NBX100

12"

Best current price

£247.00

Compare on

Matches sit inside every range. Size stays fixed automatically.

Q_ts

Q_es

V_as

L

X_max

mm

BL

Tm

5 active T/S params, plus size.

12 matches

Compare a specific driver

Added drivers stay at the front of the list, whatever the ranges say.

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