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Beyma 12WR400 8Ω

LF Driver
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Beyma 12WR400 12 inch 8 ohm loudspeaker driver

Overview

LF Driver
Beyma

Beyma 12WR400

Beyma 12WR400 is a 12" 8 ohm LF driver rated at 400W RMS. The validated T/S data includes Fs 42Hz, Qts 0.27, Vas 91L, Xmax 6.3mm, sensitivity 95.8dB, plus 334cm³ Vd and 150 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £142.73.

Size
12"
Impedance
8Ω
RMS Power
400W
Sensitivity
95.8dB
97.0dBmanufacturer; using T/S-derived value (1.2dB delta).
EBP
150
Vented alignment
Vd
334cm³
Datasheet

Datasheet traces

Frequency and impedance curves traced from the manufacturer PDF.

2 curves
1079379645020501002005001k2k5k10kHzdBfrequency response
frequency response240 ptsp2medium
Curve provenanceInspect 2 tracesHide details

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

  • frequency response

    Frequency response

    Trace datasheet-response-trace-poc/v1
    240 plotted pointsMedium confidence4,189 selected pixels of 4,189
    Manufacturer datasheet, page 2

  • impedance

    Impedance response

    Trace datasheet-response-trace-poc/v1
    240 plotted pointsMedium confidence3,679 selected pixels of 3,679
    Manufacturer datasheet, page 2

Frequency response

Manufacturer-provided response plots and related charts.

1 image
Beyma 12WR400 response graph 1

T/S Parameters

Valid
Canonical
Fs42Hz
Qts0.27
Qes0.28
Qms5.6
Vas91.0L
Re5.6Ω
Le1.00mH
BL18.0Tm
Sd530cm²
Mms63g
Xmax6.3mm
SPL96dB
Power400W
Impedance8Ω
F Low45Hz
F High5000Hz
What this validation status means

Pricing & availability

Price definitions

Price movement

Other offers

2 vendors
bluearan
Updated 23 Sept 2026· 8Ω
Source: inc VAT · 20%
£143.20
inc VAT
soundimports
Updated 23 Sept 2026
Source: inc VAT
£158.65
inc VAT
4 in stock

Best current price

Updated 23 Sept 2026

partsexpress
£142.73
Avg £148.19£5.46 below avg (-3.7%)
inc VAT·2 in stock
Buy now

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

Weight5.5kg

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.

Search Similar
Beyma 12WR400 12 inch 8 ohm loudspeaker driver similar-driver reference
Reference
Beyma
12WR400
12"
Best current price
£142.73
Compare on

Matches sit inside every range. Size stays fixed automatically.

Qts
Qes
Vas
L
Xmax
mm
BL
Tm

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.

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