The ULTIMATUM XLS loudspeaker is a standmount design which adheres to all the principles that have marked out the ULTIMATUM project and given it such enduring success. The ultra-rigid birch-plywood enclosure, innovative baffle-decoupling technology, 'isobaric' bass loading and use of twin EMIT ribbon-type super-tweeters are employed here to deliver the ULTIMATUM promise of a lifetime of musical enjoyment.

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Technical description The enclosure comprises four discrete internal cavities each optimised for purpose. The Mid/Bass tuning is optimal for the main enclosure volume while the HF cabinet is small to increase rigidity and to stop back pressure from the Mid Bass driver adversely affecting the rear chamber of the tweeter. The two EMIT supertweeters are similarly isolated. -

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Specifications

HF Unit 26mm SONOMEX Domed XL

Super HF Units 2* EMIT 25mm planar/ribbon

Bass / Midrange 2* 168mm NEATUnit with Aluminium Phase Plug

Dimensions (hwd): 38x22x37cm.

Enclosure type: Multi-chamber, multi-driver array, incorporating isobaric internal cavity, plus upward firing super-tweeters.

Sensitivity: 88db/1 watt.

Recommended amplifier power: 25 – 200 watts.

Impedance: 6 ohms average.

Minimum 4 ohms. Weight: 15Kg. each.

Shipping weight: 35Kg. pair.

Finishes Neat Ultimatum standard finishes.

Natural Ash Rose Ash Black Ash Walnut Oak Figured Birch

Neat Ultimatum premium (high gloss) finishes. Velvet Cloud Red Velvet Cloud Piano Black

The representations above are for guidance only. Exact matching cannot be guaranteed. Specification may be subject to change without notice. What Hi Fi? review Enjoy The Music review