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NEW Beyma 12LEX1300Nd LEX Series 12" Neo Subwoofer 8 Ohm

BeymaPart # 253-042
Model: 12LEX1300Nd

The Beyma 12LEX1300Nd is a 12" subwoofer built for high-output professional audio systems requiring deep bass, low distortion, and lightweight construction. Its neodymium motor, long-excursion suspension, and advanced Maltcross thermal management make it a top choice for compact direct radiation or band-pass subwoofer designs.

Key Features

  • 4" DUO in/out copper voice coil improves thermal performance
  • Maltcross cooling system reduces power compression
  • Double silicone spider enhances mechanical stability
  • ±11 mm Xmax supports long linear cone movement
  • 65 mm peak-to-peak excursion before damage for high mechanical reliability
  • Weatherproof cone treated on both sides for environmental resistance
  • FEA-optimized neodymium motor with aluminum demodulating ring lowers distortion
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Overview

Beyma 12LEX1300Nd LEX Series 12" Neo Subwoofer 8 Ohm

12LEX1300Nd LEX Series 12" Neo Subwoofer 8 Ohm

The 12LEX1300Nd delivers a powerful combination of high output and low distortion, engineered for compact but demanding subwoofer designs. Its 1,300 W AES power rating is supported by a 4" DUO copper voice coil that uses inner and outer windings for improved heat dissipation under sustained use. A lightweight neodymium magnet structure, optimized using FEA, delivers strong motor force while reducing overall driver weight, making it ideal for portable or space-constrained systems. The cone's ±11 mm Xmax and 65 mm mechanical excursion limit allow for deep, controlled bass extension with minimal risk of overdrive. The cone is sealed on both sides for protection against moisture, and a double silicone spider enhances suspension control at high excursion. With the addition of an aluminum demodulating ring to reduce harmonic distortion and Beyma’s Maltcross cooling system to maintain output consistency, the 12LEX1300Nd is built to perform reliably in high-demand professional subwoofer applications.

At Beyma, the challenge of heat dissipation is met with a clear objective: ensuring our speakers consistently deliver optimal performance within the system, maximizing total sound pressure level (SPL) and maintaining stability.

It's widely recognized that a system's overall SPL decreases over time due to power compression effects in the speakers. Typically, larger voice coil diameters correlate with higher power capacity; however, this also necessitates bigger motor structures to achieve high total output from the transducer.

Beyma's Maltcross cooling technology presents multiple solutions to achieve this goal. It enables the woofer to handle higher power levels with a given coil diameter, allowing for designs with smaller coils and motor structures. This reduction in size decreases weight, increases sensitivity, and maintains adequate power handling for specific applications, resulting in a total SPL comparable to that of drivers with larger motor structures.

Maltcross technology incorporates a forced convection circuit within the driver's core, effectively lowering the coil's operating temperature. Additionally, it functions as a demodulation ring, linearizing the transducer's inductance.

Product Details

BrandBeyma
Model12LEX1300Nd
Part Number253-042
UPC8435469042988
Unit of MeasureEach
Weight19.8

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.7
Power Handling (RMS)1300 Watts
Power Handling (MAX)2600 Watts
Impedance8Ω
Frequency Response45 to 1,500Hz
Sensitivity96dB 2.83V/1m
Voice Coil Diameter4"

Thiele-Small Parameters

Resonant Frequency (Fs)45Hz
DC Resistance (Re)5Ω
Voice Coil Inductance (Le)1.3mH
Mechanical Q (Qms)4.2
Electromagnetic Q (Qes)0.25
Total Q (Qts)0.24
Compliance Equivalent Volume (Vas)1.52ft³
Mechanical Compliance of Suspension (Cms)100mm/N
BL Product (BL)26.4T·m
Diaphragm Mass Inc. Airload (Mms)0.125g
Maximum Linear Excursion (Xmax)11mm
Surface Area of Cone (Sd)0.055cm²

Materials of Construction

Cone MaterialPaper-Treated Paper
Voice Coil Wire MaterialCopper
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter12.4"
Baffle Cutout Diameter11.1"
Depth6.9"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.116ft³
Sealed F3162.2Hz
Vented Volume0.256ft³
Vented F3101.7Hz

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