Designed for continuous high power operation in a correctly constructed acoustic space, the M3 represents the fruit of a research and development program aimed at elevating main monitors above the realm of modified PA speakers. A pair of 300mm bass drivers are perfectly complemented by two 150mm piston midrange drivers employing massive 75mm coils. High frequencies are accommodated by a high power version of the 28mm ESOTAR T-330 DA dome tweeter, which enjoys a reputation as the finest dome tweeter available. All drivers are ferrofluid cooled, a benefit only made possible on low frequency drivers by the use of custom designed ferrofluid compounds applied to very tightly tolerated voice coil gaps – a feature absolutely unique to Dynaudio Acoustics.

The result is a very clean, dynamic and powerful speaker in which common problems, such as cone break up, thermal compression and phase misalignment have been almost eliminated. Frequency response is full and flat, and the overall transparency of sound leaves no doubt that the M3 truly advances the art of monitoring at high levels without sacrificing quality at more relaxing volume.

Levels from 85 to 120dBA exhibit essentially identical timbre allowing total confidence in mix decisions regardless of monitoring level.

Passive or Active
The M3 Main Monitor is available in both Passive and Active versions. Both versions employ the same sophisticated impedance corrected passive crossovers between midrange drivers and tweeter. The Passive version has internal links for simple adjustment of low frequency levels, and is primarily intended for user installation on rigid stands within a control room, although soffit mounting is entirely feasible. The bi-amped Active system uses an active external crossover offering full equalization capabilities together with dual-band electronic driver protection.

Features

• Unique linear phase and frequency response
• Every monitor matched to any other monitor within ± 1.5dB
• 28mm ESOTAR soft dome tweeter with aluminum voice coil
• Dual 150mm magnesium silicate impregnated polypropylene (MSP) midrange drivers with
• 75mm voice coils
• Dual 300mm polypropylene bass drivers with exceptionally large 100mm aluminum voice coils
  offering dramatic improvements in power handling, bass response and distortion figures over conventional systems
• Gold plated professional binding posts accepting heavy-gauge speaker cable
• Heavy internal damping for minimum cabinet resonance.
• Thermal protection of the tweeter

Technical Specs

• Model: M3P
• System: 3-way Passive Main Monitor
• Frequency Response (+/- 3 dB): 30 Hz - 20 kHz
• Peak SPL 1m, pair (IEC Short Term): > 129 dB peak
• Peak SPL 2m, 5.1 (IEC Short Term): > 130.5 dB peak
• Amplifier minimum: 140 W (> 100 dB SPL @ 2.5m)
• Sensitivity (2.83 V/1m): 90 dB
• Impedance, Nominal: 4 ohm
• Impedance, HF (200 kHz): 5.9 ohm
• Resonance Frequency: 38 Hz
• Internal Cabinet Volume: 145 liters
• Bass Principle: Bass reflex
• Crossover Frequencies: 600/3700 Hz
• Crossover Slope: Woofer 12 dB/oct; Midrange 12 dB/oct; Tweeter 18 dB/oct
• Tweeter: Esotar 28 mm/1.1” soft dome, Magnetic fluid, Rear chamber, Pure alu wire voice coil, 4 mm die-cast alu front
• Midrange: 2x145 mm/5.7” One-piece molded
• Woofer: 2x300 mm/12”, One-piece molded polyprop cone, 100 mm/4” pure alu wire voice coil
• Weight: 55.0 kg / 121.3 lbs
• Dimensions (WxHxL): 555 x 775 x 505 mm