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NEW Beyma 15MCS500 MCS Series 15" Midbass Driver 8 Ohm

BeymaPart # 253-025
Model: 15MCS500

The Beyma 15MCS500 is a 15″ low/mid-frequency transducer crafted for high-output PA and line-array systems. Featuring a robust frame and advanced cooling, it delivers clean midbass with efficiency and durability.

Key Features

  • 2.5″ copper voice coil on fiberglass former for enhanced reliability
  • Maltcross cooling system minimizes thermal compression
  • Wide 50–4 000 Hz range for versatile midbass and low-mid applications
  • ±8 mm Xmax and 40 mm peak-to-peak excursion for deep, dynamic bass
  • Optimized pressed steel frame and FEA-refined magnet structure
  • Weather-treated cone and aluminum demodulating ring reduce distortion
  • Explicitly optimized for 2‑ or 3‑way PA systems and line-array use
NEW $188.25
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MSRP: $251.00
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Overview

Beyma 15MCS500 MCS Series 15" Midbass Driver 8 Ohm

Beyma 15MCS500 MCS Series 15" Midbass Driver 8 Ohm

The 15MCS500 combines robust power handling and 98 dB sensitivity to deliver impactful midbass audio without requiring excessive amplifier power. Its 2.5″ copper voice coil wound on a fiberglass former ensures thermal resilience, while Beyma’s Maltcross passive cooling maintains performance during extended, high-power use. Covering a broad 50–4 000 Hz range with ±8 mm Xmax and 40 mm mechanical excursion, this driver delivers deep, undistorted low-mid frequencies. The pressed steel frame and FEA-optimized magnetic structure add structural and acoustic precision. A weather-treated cone and aluminum demodulating ring further reduce distortion and enhance durability. Notably, the datasheet explicitly states it’s optimized for 2‑ or 3‑way PA systems and line-array setups, showcasing its professional audio pedigree.

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
Model15MCS500
Part Number253-025
UPC8435469043770
Unit of MeasureEach
Weight17

Product Specifications

Nominal Diameter15"
Bolt Circle Diameter14.4
Power Handling (RMS)500 Watts
Power Handling (MAX)1000 Watts
Impedance8Ω
Frequency Response50 to 4000Hz
Sensitivity98dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)46Hz
DC Resistance (Re)5.6Ω
Voice Coil Inductance (Le)1.1mH
Mechanical Q (Qms)7.8
Electromagnetic Q (Qes)0.51
Total Q (Qts)0.48
Compliance Equivalent Volume (Vas)4.73ft³
Mechanical Compliance of Suspension (Cms)122mm/N
BL Product (BL)17.6T·m
Diaphragm Mass Inc. Airload (Mms)0.098g
Maximum Linear Excursion (Xmax)8mm
Surface Area of Cone (Sd)0.088cm²

Materials of Construction

Cone MaterialTreated Paper
Voice Coil Wire MaterialCopper

Mounting Information

Overall Outside Diameter15.2"
Baffle Cutout Diameter13.9"
Depth6.77"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume1.987ft³
Sealed F382.14Hz
Vented Volume6.623ft³
Vented F339.56Hz

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