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Overview

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.

Specifications

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Q&A

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