Esoterix Atlum

Esoterix Atlum


Sold in pairs.

ESOTERIX ALTUM 6.5" 2-Way with Waveguide, Bottom Ported.
This revolutionary new bookshelf speaker presents a delightfully detailed, open soundstage with a tight and punchy bottom end. Designed for two channel stereo listening, this speaker will surprise and excite those looking for the next wave in high fidelity audio performance.

Available in 11 finishes.

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Frequency Range

40Hz-40kHz in room response

Power Handling

20 – 200 Watts RMS recommended amplifier power


89dB for 2.83 volts at 1 metre


Nominally 4 Ohms (minimum 3.2 Ohms)



Enclosure Type

Bass reflex, bottom vented


390mm high x 260mm wide x 380mm deep

Low Frequency Driver

165mm (6 ½”) natural wood fiber cone, innovative cast aluminium basket with 38mm (1 ½”) voice coil and large neodymium-iron-boron-magnet

High Frequency Driver

26mm (1″) revelator ring radiator design with patented phase plug and large neodymium magnet

Input Terminals

Gold plated binding posts


11kg each

The ultimate bookshelf speaker for esoteric audiophiles. The Esoterix Altum is a refined speaker, designed to truly enhance the full two channel listening experience, whether playing old favourites on vinyl, or enjoying the definition and detail of the latest high resolution digital tracks.

In developing this revolutionary speaker, the Krix engineering team paid particular attention to imaging – the meticulously engineered waveguide controls the directivity to present a soundstage much larger than expected. Paired with the renowned Scanspeak Revelator tweeter, the result is an accurate and detailed stereo image, delivering extreme definition with a very smooth response.

The bass and midrange are superbly handled by a 165mm driver incorporating leading edge transducer technology, highlighted by an innovative cast aluminium basket and a large neodymium-iron-boron magnet for increased power handling. Perfectly tuned with the cabinet and sizable double-flared vent, the Esoterix Altum is able to produce bass much larger than its size would suggest.

Detail isn’t only in the sound. The distinctive fully-mitred cabinets provide a seamless look with no visible joins, while the striking prismatic geometry and optional matching stands ensure these bookshelf speakers will look stunning in any environment.

For the ultimate sound experience at home, play it through Krix.

Related products:

Stand for Esoterix Altum
Neuphonix Mk2
Harmonix Mk2

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