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NEW Beyma 14MC700Nd 14" Subwoofer 8 Ohm

BeymaPart # 253-019
Model: 14MC700ND

The Beyma 14MC700Nd is a 14" low/mid-frequency transducer built for high-efficiency bass and mid-bass systems. Its combination of advanced cooling, neodymium motor, and long-excursion suspension ensures deep, punchy output with exceptional clarity.

Key Features

  • 3" DUO double-layer copper voice coil with inner/outer windings
  • Maltcross cooling system keeps voice coil temperature down
  • Neodymium motor structure optimized via FEA for linearity
  • Aluminum demodulating ring to reduce distortion
  • Weatherproof cone treated on both sides for durability
  • ±7 mm Xmax and 48 mm peak-to-peak excursion for deep control
  • Designed for bass/mid-bass high-performance use
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Overview

Beyma 14MC700Nd 14" Subwoofer 8 Ohm

Beyma 14MC700Nd 14" Subwoofer 8 Ohm

The 14MC700Nd delivers sustained, impactful bass thanks to its impressive 700 W AES power rating paired with 99 dB sensitivity. The lightweight neodymium motor—refined through FEA—delivers tight control and low distortion, while the 3" DUO copper voice coil efficiently manages heat, aided by Beyma’s Maltcross cooling system. An aluminum demodulating ring further curtails distortion, and the cone’s dual-side weather treatment ensures reliability in varied environments. With ±7 mm Xmax and a massive 48 mm peak-to-peak excursion, this driver excels at dynamic, low-frequency reproduction in compact reflex enclosures tuned around 60 Hz. Built specifically for bass/mid-bass performance, it’s ideal for systems demanding high sensitivity, extended excursion, and robust SPL delivery.

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
Model14MC700ND
Part Number253-019
UPC8435469043428
Unit of MeasureEach
Weight11.5

Product Specifications

Nominal Diameter14"
Bolt Circle Diameter13.5
Power Handling (RMS)700 Watts
Power Handling (MAX)1400 Watts
Impedance8Ω
Frequency Response55 to 4000Hz
Sensitivity99dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)51Hz
DC Resistance (Re)5.3Ω
Voice Coil Inductance (Le)1mH
Mechanical Q (Qms)3.3
Electromagnetic Q (Qes)0.3
Total Q (Qts)0.28
Compliance Equivalent Volume (Vas)2.75ft³
Mechanical Compliance of Suspension (Cms)110mm/N
BL Product (BL)22T·m
Diaphragm Mass Inc. Airload (Mms)0.086g
Maximum Linear Excursion (Xmax)7mm
Surface Area of Cone (Sd)0.07cm²

Materials of Construction

Cone MaterialTreated Paper
Voice Coil Wire MaterialCopper
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter14.1"
Baffle Cutout Diameter12.7"
Depth6.5"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.295ft³
Sealed F3157.7Hz
Vented Volume0.673ft³
Vented F397Hz

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