M15d2 - 15IN - SUB

Handles up to 1200W RMS, providing exceptional performance for sealed and infinite baffle setups.

Key Features

• Custom Tooled Cast Frame for superior durability and heat dissipation.

• 3″ (76.2 mm) Copper Voice Coil on Aluminum Former for extreme power handling and motor control.

• Dual Gap Motor with Aluminum Shorting Rings ensures maximum motor force and world-class dynamics.

• 40mm Peak-to-Peak Linear Excursion, capable of up to 65mm mechanical excursion.

• Composite Fiber Cone for strength and reduced distortion.

• Rubber Surround for extended durability and flexibility.

• Push Pin Terminals for secure and reliable wiring.

• Available in Dual 2-Ohm (D2) and Dual 4-Ohm (D4) Configurations.

• Designed and built for sealed or infinite baffle applications, tailored for optimal performance.

Optimized Performance

The M15 Subwoofer offers high-stroke, low-distortion bass with excellent transient response. Its dual-gap motor and aluminum shorting rings minimize inductance and extend usable bandwidth to 1 kHz, ensuring dynamic and impactful performance.

Technical Specifications

• Nominal Diameter: 15.75 in (400 mm)

• Mounting Depth: TBD

• Displacement: 3.3 liters

• Fs (Resonant Frequency): TBD

• Qts (Total Q Factor): TBD

• Vas (Compliance Equivalent Volume): TBD

• BL (Force Factor): TBD

• Re (DC Resistance): 2 or 4 ohms

• Power Handling: 1200W RMS

• Xmax (Maximum Linear Excursion): ±20mm

• Sensitivity (SPL): TBD

Crossover Recommendations

• Crossover Frequency: Below 80 Hz is ideal for maintaining imaging and system balance.

• Adjust crossover frequency based on your system's mid-bass/midrange capabilities.

Enclosure Guidelines

• Best Suited For:

  • Moderate Sealed Enclosures

  • Infinite Baffle Applications

• Recommended Volume:

  • Sealed: ~3.0 cu.ft. for optimal thermal and mechanical performance.

  • Infinite Baffle: Ensure adequate protection from the elements for the rear of the driver.

Power Handling Considerations

Proper power handling is crucial for long-term reliability:

• Ensure the amplifier matches the subwoofer’s power rating.

• Avoid overpowering or exceeding thermal or mechanical limits.

Summary

The Master Series M15 Subwoofer is a meticulously engineered driver, ideal for enthusiasts seeking low-distortion, high-impact bass in sealed or infinite baffle applications. Its advanced dual-gap motor and robust construction ensure dynamic performance and long-term reliability. Perfect for audiophiles aiming to elevate their audio system’s low-frequency performance.