Name: B&C 8NW51 4 Ohm
Brand: B&C
SKU: 8NW51

Media

B&C 8NW51 8 inch 4 ohm loudspeaker driver view 1

B&C 8NW51 8 inch 4 ohm loudspeaker driver view 2

B&C 8NW51 8 inch 4 ohm loudspeaker driver view 3

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Overview

LF Driver8NW series

B&C

B&C 8NW51

B&C 8NW51 is a 8" 4 ohm LF driver rated at 200W RMS. The validated T/S data includes Fs 76Hz, Qts 0.25, Vas 10.6L, Xmax 6mm, sensitivity 94.6dB, plus 132cm³ Vd and 292 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.

Size

Impedance

4Ω

RMS Power

200W

Sensitivity

94.6dB

97.0dBmanufacturer; using T/S-derived value (2.4dB delta).

EBP

292

Vented alignment

V_d

132cm³

Frequency response

Manufacturer-provided response plots and related charts.

2 images

T/S Parameters

Valid

Canonical

Fs76Hz

Qts0.25

Qes0.26

Qms5.3

Vas10.6L

Re2.5Ω

Le0.20mH

BL11.2Tm

Sd220cm²

Mms27g

Xmax6.0mm

SPL95dB

Power200W

Power Nominal200W

Impedance4Ω

Min Impedance3.7Ω

F Low70Hz

F High3000Hz

Voice Coil51mm

Flux Density1.30T

What this validation status means

Pricing & availability

Price definitions

No current price found

Pricing may appear after the next vendor refresh.

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

Weight3.0kg

Diameter225.0mm

Overall Depth100.0mm

Cutout Diameter187.0mm

Bolt Circle Diameter210.0mm

Additional Manufacturer Specs

Bl11.2 Tm

Fs76 Hz

Le0.2 mH

Re2.5 Ω

Sd220 cm² (34.1 in²)

Ebp292 Hz

Mms27 g

Qes0.26

Qms5.3

Qts0.25

Vas10.6 dm³ (0.37 ft³)

η01.76 %

ConeRCK008NW514

Xmax6 mm

Xvar5 mm

SpiderSingle

Cone ShapeExponential

Pole DesignT-Pole

Winding Depth16 mm (0.65 in)

Surround ShapeDouble Roll

Former MaterialGlass Fibre

Magnet MaterialNeodymium Ring

Nominal Diameter200 mm (8 in)

Winding MaterialCopper

Magnetic Gap Depth10 mm (0.4 in)

Bolt Circle Diameter210 mm (8.3 in)

Woofer Cone TreatmentTWP Waterproof Both Sides

Baffle Cutout Diameter187 mm (7.4 in)

Flange And Gasket Thickness11 mm (0.4 in)

Air Volume Occupied By Driver1.1 dm³ (0.04 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

8NW51

Compare on

Matches sit inside every range. Size stays fixed automatically.

Q_ts

Q_es

V_as

X_max

5 active T/S params, plus size.

9 matches

Compare a specific driver

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

Oberton 8NB201 8 inch 8 ohm loudspeaker driver similar driver