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Quantum 723

2-way bass-reflex shelf-top loudspeaker

  • Compact format, powerful sound: This shelf-top speaker lives up to the Quantum name in every respect
  • Stylish, timeless design as the perfect shell for high-end technology – looks and acoustics harmoniously combined in the smallest of spaces
  • 30 mm fabric dome with special damping and ferrofluid cooling, wide surround and Harmonic Radiation Horn (HRH) made of aluminium
  • Klippel-optimized 170 mm woofer chassis with ceramic-aluminium cone for maximum resilience and precision
  • Sturdy, rounded MDF enclosure with low-resonance 25 mm baffle in a silk-matt design and traverse system with height-adjustable spikes


2-way bass-reflex shelf-top loudspeaker

The 2-way shelf-top speakers of the Quantum 720 series are equipped with the identical loudspeaker chassis found in the larger members of the range. So the compact version also benefits from high-quality HRH tweeters with a 30 mm fabric membrane, special damping and ferrofluid cooling as well as a wide bead and Harmonic Radiation Horn made of aluminium. Responsible for the foundation is the Klippel-optimised 170 mm subwoofer with a ceramic-aluminium membrane. The MDF enclosure with rounded side sections is equipped with a low-resonance 25 mm baffle in a silk-matt lacquer finish. An Airflex port with a rounded reflex opening eliminates flow noise.

High-quality chassis components

The FE Dynamics subwoofers and woofers with a size of 130mm and 170mm respectively are made of a ceramic-aluminium membrane. These harmonize perfectly with the 30 mm fabric tweeters of the range and deliver a very dynamic and transparent, spatial soundscape.

High sound performance combined with visual understatement

The enclosure shape rounded at the sides and to the rear gives the loudspeakers a discretely elegant look. The speakers produce high-quality sound.

Technical specifications


Highlights