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Quantum Signature

High-end floorstanding speaker as 3-way bass reflex system

  • The ultimate Quantum flagship: Six 3-way precision acoustic transducers, absolute high-tech materials and decades of experience
  • 30 mm fmax Signature special tweeter with a particularly lightweight membrane made of semi-crystalline polymer (PTFE) for maximum efficiency
  • Two Klippel-optimized 170 mm "Controlled Flexing Cone" woofers with ceramic-aluminium cone sandwich membrane for outstanding three-dimensionality
  • Three 200 mm ceramic-aluminium cone subwoofers for an incomparably precise, dynamic and detailed bass foundation
  • Extremely sturdy MDF enclosure, rounded at the sides and weighing in at 73 kg, with low-resonance baffle and double-walled side profile structure


High-end floorstanding speaker as 3-way bass reflex system

The Quantum Signature is impressive at first sight due to its sheer size. The speaker accommodates a total of six high-tech individual chassis in a high gloss MDF cabinet, which weighs in at 73 kg. The overall appearance of this exceptional transducer is predominantly shaped by three sumptuous 200 mm woofer chassis. The two 170 mm midrange drivers offer ideal properties in the critical vocal range. The new dome tweeter in the Signature speaker is positioned centrally in a D´Appolito configuration.

Test reviews

What do trade magazines say about this product?

Ceramic meets aluminium

Three high-strength ceramic-aluminium membranes with an inverse dust cap produce bloodcurdling bass of the highest quality.

Top-class connector panel

The large bi-wiring terminal with solid screw terminals and high-quality cable bridges also provides scope for larger gauge cables.

High Resolution

The particularly lightweight fabric tweeter membrane guarantees maximum efficiency and, at the same time, outstanding harmony with the mid-tone range.

Technical specifications


Highlights