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NEW Beyma 12MCB700 MCB Series 12" Subwoofer 8 Ohm

Beyma
Part #253-021

NEW Beyma 12MCB700 MCB Series 12" Subwoofer 8 Ohm

Beyma
Part #253-021  
Model: 12MCB700

The Beyma 12MCB700 is a 12" low and mid-bass driver engineered for professional audio systems demanding high power handling and efficiency. Its robust construction, aluminum demodulating ring, and advanced Maltcross cooling technology make it ideal for low-frequency and mid-bass applications.

Key Features
  • 3" DUO double-layer in/out copper voice coil enhances thermal stability​
  • Exclusive Maltcross cooling system reduces power compression​
  • Aluminum demodulating ring minimizes distortion​
  • ±7 mm Xmax allows for extended linear excursion​
  • Weatherproof cone treatment on both sides for increased durability​
  • 45 mm peak-to-peak excursion before damage ensures mechanical reliability​
  • Optimized for low-frequency and mid-bass applications​
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Overview

Beyma 12MCB700 MCB Series 12" Subwoofer 8 Ohm

12MCB700 MCB Series 12" Subwoofer 8 Ohm

The 12MCB700's 700 W AES power handling and 98 dB sensitivity make it suitable for demanding audio applications, delivering clear and dynamic sound output. Its 3" DUO double-layer in/out copper voice coil enhances thermal stability, contributing to consistent performance over time. The exclusive Maltcross cooling system effectively dissipates heat, reducing power compression and maintaining consistent output during prolonged use. An aluminum demodulating ring is incorporated to minimize distortion, resulting in cleaner sound reproduction. The driver features an Xmax of ±7 mm, allowing for extended linear cone movement and deeper bass response without distortion. Its weatherproof cone, treated on both sides, enhances durability and resistance to environmental factors, making it suitable for both indoor and outdoor applications. With a peak-to-peak excursion before damage of 45 mm, the 12MCB700 can withstand significant mechanical stress, ensuring longevity even under high-demand conditions. Optimized for low-frequency and mid-bass applications, this transducer offers versatility and high performance for professional audio setups.​

Solid Line: On Axis
Dotted Line: 45° 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
Model12MCB700
Part Number253-021
UPC8435469043138
Unit of MeasureEach
Weight20.9

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.6
Power Handling (RMS)700 Watts
Power Handling (MAX)1400 Watts
Impedance8Ω
Frequency Response55 to 4,000Hz
Sensitivity98dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)51Hz
DC Resistance (Re)5.4Ω
Voice Coil Inductance (Le)0.9mH
Mechanical Q (Qms)3.9
Electromagnetic Q (Qes)0.29
Total Q (Qts)0.27
Compliance Equivalent Volume (Vas)0.47ft³
Mechanical Compliance of Suspension (Cms)139mm/N
BL Product (BL)20.4T·m
Diaphragm Mass Inc. Airload (Mms)0.069g
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

Mounting Information

Overall Outside Diameter12.3"
Baffle Cutout Diameter10.9"
Depth5.7"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.216ft³
Sealed F3160.7Hz
Vented Volume0.491ft³
Vented F399.1Hz

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