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NEW Beyma 12MC700Nd MC Series 12" Neo Subwoofer 8 Ohm

Beyma
Part #253-015

NEW Beyma 12MC700Nd MC Series 12" Neo Subwoofer 8 Ohm

Beyma
Part #253-015  
Model: 12MC700Nd

The Beyma 12MC700Nd is a 12" subwooder driver built for systems that need serious output without added weight. Its neodymium motor, advanced Maltcross cooling technology, and long-excursion suspension make it a strong choice for bass or mid-bass use in high-performance loudspeakers.

Key Features
  • 3" DUO in/out copper voice coil improves thermal performance
  • Maltcross cooling system helps reduce power compression
  • Aluminum demodulating ring minimizes distortion at high levels
  • ±7 mm Xmax supports clean, dynamic low-frequency movement
  • Treated on both sides for a weather-resistant, durable cone
  • 48 mm peak-to-peak excursion limit protects against damage
  • Tuned for bass or mid-bass roles in pro audio system designs
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Overview

Beyma 12MC700Nd MC Series 12" Neo Subwoofer 8 Ohm

12MC700Nd MC Series 12" Neo Subwoofer 8 Ohm

Designed for high-output audio systems, the 12MC700Nd balances power and portability with a lightweight neodymium magnet structure and a rugged mechanical design. Its 3" DUO copper voice coil uses inner and outer windings for improved heat dissipation and power handling under continuous load. The Maltcross cooling system keeps thermal buildup in check, maintaining consistent output over time. An aluminum demodulating ring helps suppress distortion, particularly in the upper bass and lower midrange. With ±7 mm of linear excursion and a 48 mm mechanical limit, the cone is capable of delivering deep, dynamic response while staying protected against overdrive. Its dual-side treated cone adds durability and moisture resistance, making the 12MC700Nd a reliable option for bass and mid-bass duties in modern high-performance speaker systems. 

Solid Line: On Axis
Dotted Line: Off Axis

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
Model12MC700Nd
Part Number253-015
UPC8435469043084
Unit of MeasureEach
Weight9.7

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.6
Power Handling (RMS)700 Watts
Power Handling (MAX)1400 Watts
Impedance8Ω
Frequency Response60 to 4,000Hz
Sensitivity99dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)51Hz
DC Resistance (Re)5.2Ω
Voice Coil Inductance (Le)1mH
Mechanical Q (Qms)4.1
Electromagnetic Q (Qes)0.26
Total Q (Qts)0.24
Compliance Equivalent Volume (Vas)2.05ft³
Mechanical Compliance of Suspension (Cms)136mm/N
BL Product (BL)21.6T·m
Diaphragm Mass Inc. Airload (Mms)0.072g
Maximum Linear Excursion (Xmax)7mm
Surface Area of Cone (Sd)0.055cm²

Materials of Construction

Cone MaterialPaper-Treated Paper
Voice Coil Wire MaterialCopper
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter12.3"
Baffle Cutout Diameter10.9"
Depth5.6"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.17ft³
Sealed F3177.4Hz
Vented Volume0.376ft³
Vented F3110.7Hz

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