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Franco Serblin Ktema Proscenium Loudspeaker

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Overview

Technical

With fine craftsmanship and technical innovation, respecting the ideal continuity, Ktêma embraces the past in a new way, making a further contribution to enhance the ecstasy of the musical experience.

 

 

“Ktêma eis aei”

The Greeks said, “Ktêma eis aei”:
a possession for ever - something that,
over time, cannot be disputed.

 

Specifications

Geometry: four-way topology, five units. The two low-frequency radiators are compression-loaded and room-interfaced at the lower part of the rear of the enclosure. Above the “fusion” frequency, the mid-high cardioid radiators reproduce the significant part of the spectrum, at the top section of the front of the cabinet.

The cabinet is a rigid, triple arch-shaped structure. The two lateral front cheeks are concave, while the woofer compressor is convex.

The tweeter is a well-established and time-proven 28mm soft-dome unit, created by Ragnar Lian, one of the greatest Danish masters of transducer design.

The midrange array consists of two custom-made 4in units in a stepcompensated baffle, in a cardioid acoustic-resistance configuration, for the most accurate reproduction of the musical perspective.

The woofers are custom-made 9in metal cone, piston performanceoptimised units, in a compression-controlled and room-interfaced configuration.

The crossover is a mutational variable slope, coherent spatial radiation design.

Yter pure Silver-Palladium mono-wiring used throughout.

 

Frequency Response: 26Hz - 33Khz, in room
Nominal Impedance: 4 ohm (minimum 3, 2 ohm at 70 Hz)
Sensitivity: 92 dB/W/m
Minimum power amplifier: 20W per channel
Dimensions: 42,5 cm × 46 cm × 111 cm (unpacked) 52 cm × 57 cm × 110,5 cm (packed)
Weight: 110 kg/pair (unpacked) - 127 kg/pair (packed)

Finishing: High gloss piano black, hand-polished aluminium top & bottom Satin Sycamore, hand-polished aluminium top & bottom

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