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NEW Beyma 12WR400 WR Series 12" Subwoofer 8 Ohm

BeymaPart # 253-060
Model: 12WR400

The Beyma 12WR400 is a 12" low/mid‑frequency transducer engineered for powerful, versatile bass and mid‑bass reproduction in professional audio systems. With high sensitivity and robust construction, it delivers efficient output with strong control.

Key Features

  • FEA‑optimized ceramic magnetic circuit for improved efficiency
  • 3" copper‐wire voice coil for thermal resilience
  • Extended controlled displacement: ±6.3 mm Xmax with 30 mm peak‑to‑peak excursion
  • Weather‑treated cone on both sides for durability in varied environments
  • Designed for low and mid‑low frequency applications
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Overview

Beyma 12WR400 WR Series 12" Subwoofer 8 Ohm

12WR400 WR Series 12" Subwoofer 8 Ohm

The 12WR400 combines a 400 W AES rating with 97 dB sensitivity to deliver high‑output performance without requiring excessive amplifier power. Its 3" copper‐wire voice coil and FEA‑refined ceramic magnet assembly support reliable thermal and mechanical operation under load. With ±6.3 mm Xmax and a large ±30 mm peak‑to‑peak excursion capacity, it maintains control even during heavy use. Covering a broad 45–5 000 Hz band, this driver handles both bass and lower mid‑range duties effectively. The weather‑treated cone ensures durability for varied environments, making the 12WR400 a strong choice for professional systems aiming for linear, powerful performance across bass and mid‑bass regions.

Product Details

BrandBeyma
Model12WR400
Part Number253-060
UPC8435469043299
Unit of MeasureEach
Weight14

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.6
Power Handling (RMS)400 Watts
Power Handling (MAX)800 Watts
Impedance8Ω
Frequency Response45 to 5000Hz
Sensitivity97dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)42Hz
DC Resistance (Re)5.6Ω
Voice Coil Inductance (Le)1mH
Mechanical Q (Qms)5.6
Electromagnetic Q (Qes)0.28
Total Q (Qts)0.27
Compliance Equivalent Volume (Vas)3.21ft³
Mechanical Compliance of Suspension (Cms)228mm/N
BL Product (BL)18T·m
Diaphragm Mass Inc. Airload (Mms)0.063g
Maximum Linear Excursion (Xmax)6.3mm
Surface Area of Cone (Sd)0.053cm²

Materials of Construction

Voice Coil Wire MaterialCopper

Mounting Information

Overall Outside Diameter12.3"
Baffle Cutout Diameter10.9"
Depth5.2"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.321ft³
Sealed F3134Hz
Vented Volume0.728ft³
Vented F382.77Hz

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