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Monitor Audio Platinum 300 3G Floorstanding Speaker (Pair)

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Timonium - 410.308.1650
Columbia - 410.381.2100
Gaithersburg - 301.296.6202

The Platinum 300 3G’s combination of MPD III transducer, 4” RDT III mid-range driver and two 8” RDT III bass drivers allow it to deliver exceptional scale and depth. The worthy flagship of the Platinum Series 3G, this loudspeaker is quite simply the best in its class.

The Platinum 300 3G, the flagship of the Platinum Series, represents the absolute pinnacle of what is achievable at its price-point in terms of both performance and design. The combination of the innovative new MPD III transducer and the RDT III mid-range and bass driver cones, allows the speaker to deliver exceptional scale and depth. With a totally immersive soundstage and believably lifelike performance, 300 3G’s presentation of music and film is astonishing. The Platinum 300 3G’s expertly crafted design and innovative acoustic system performance, ensures that it will remain relevant for a lifetime.

Key Features
  • 1 x MPD III high-frequency transducer for a larger, clearer, and more lifelike sound
  • 1 x 4” RDT III mid-range driver for incredible levels of clarity
  • 2 x 8” RDT III bass drivers for exceptional scale and depth
  • Our flagship three-way loudspeaker delivers best-in-class sound
  • Totally immersive sound stage with music and film
  • Rear-ported and tuned for ease of positioning without affecting sound performance
  • Perfect for high performance hi-fi systems or home theatre
  • Cabinets are embellished with etched inlays to highlight the craftsmanship
  • Choice of three high-quality, elegant finishes: Piano Black, Piano Ebony and Pure Satin White
  • System Format: 3-Way
  • Frequency Response, Free-Field (-6dB)​: 25 Hz – 60 kHz​
  • Frequency Response, In-Room (-6dB): 17 Hz – 60 kHz​
  • Sensitivity (2.83 Vrms @ 1m, Free-Field)​​: 88 dB
  • Nominal Impedance: 4 Ohms
  • Minimum Impedance (20 Hz to 20 kHz)​​: 4.0 Ohms​ @ 3.75 kHz
  • Continuous Power Handling​ ​(RMS into 4 Ohms, Pink Noise with 6dB Crest Factor): 400 W​
  • Recommended Amplifier Power​ (RMS into 4 Ohm, Music Signal): 200 – 800 W​
  • Bass Alignment: Ported
  • Port Tuning Frequency: 32 Hz
  • Crossover Frequency: LF/MF: 650 Hz​ | MF/HF: 3 kHz
  • Drive Unit Complement: 2 x 8" RDT III bass driver, ​1 x 4" RDT III mid-range driver, ​1 x MPD III tweeter
  • External Dimensions including Trims, Terminals & Outrigger Feet & Spikes (H x W x D): 1131.1 x 429.8 x 525 mm​ (44.5 x 16.9 x 20.6")
  • External Dimensions including Trims, Terminals & Outrigger Feet without spikes (H x W x D): 1114.5 x 429.8 x 524.4 mm​ (44.5 x 16.9 x 20.6")
  • Weight (each): 53.6 kg​ (118 lb 2 oz)



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