This is a No. ONE Mk.II SE showroom demo pair in excellent condition. It comes with upgrades like selected Duelund parts and wires and high gloss black piano lacquer.
Ichos' speaker designs combine several different and very interesting features such as wideband drivers, back-loaded horns, dipole tweeter, high sensitivity, time coherency adjustment and more. Ichos lineup currently consists of 4 speaker models, from the entry model No. FOUR to the top model No. ONE.
With the N° ONE Mk.II speakers Ichos strives to create the optimum in passive loudspeakers, handcrafted down to the smallest detail. As in the case of all of Ichos sound converters, the wideband drivers are the product of a special process. Our opinion is that crossovers work as a 'brake' mechanism, and we don’t want to integrate such 'brakes' into our speakers. Just the opposite - the wideband driver is directly connected to the output of the amplifier and, thanks to the special treatment, is able to guarantee an optimal emittance without any distortion up to approximately 6.5 kHz.
This way, key factors such as timing, dynamic behavior and coherence of music reproduction are preserved. The low range is converted through a backloads horns facing downward. This results in an extraordinarily compact construction and an optimal connection of the bass to the listening environment.
Tweeters are connected through special capacitors and are dipoles. The emission characteristics of the dipole reduce the influence of the room acoustics on the sound. Thanks to this system, we have a 1 1/2 way concept. The elliptical body with integrated horn is made of solid, powder-coated aluminum. Because of the high sensitivity, the N° ONE MK.II is the ideal partner for small, single-ended amplifiers. All components, as well as the inner cabling utilized are top-class and hand-selected.
Peter Panholzer of HiFiStatement.net concluded (Dec. 2017):
"...with the Ichos N° ONE, the top model of Ichos sound transducers, the young company has hit a home run! The synthesis of fine craftsmanship, high sensitivity and top-class components makes music an extraordinary experience. Dynamics and timbres impart a vivid live atmosphere that continuously inspires the listener..."
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- Handcrafted from top to bottom
- Black satin standard finish, with a changeable fabric grills
- Optional all RAL colors and piano lacquer available
- Optional real-wood veneer available
- New elliptical tweeter in mono-block casing
- WBT Nextgen binding posts
- Sound optimized spikes
- Additional floor plates available on request
- 1 ea. 15" midrange-woofer, paper cones treated with special varnish
- 1 ea. 1.5" tweeter in dipole version with waveguide in aluminum block casing
- Dimensions (HxWxD): 1270 x 410 x 355 mm (50 x 16.1 x 14 inches)
- Sensitivity: 100 dB/1W/1m
- Impedance: 8 Ohm
- Frequency response: 27Hz - 23kHz
- Listening-distance: from approx. 2.5 m
- Weight: approximately 53 kg ea. (117lbs)
- Standard finish is black satin or RAL color of choice
- Special Edition (SE) version - $2500 surcharge (selected parts by Duelund)
- Real wood veneer - $2000 surcharge
- Dual Color - $2000 surcharge
- High Gloss - $3000 surcharge
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ICHOS loudspeaker is a manufacturer located in the city of music - Vienna, Austria. Designer and owner is Robert Rothleitner. All construction elements are produced with closest tolerances according to the designers specifications. The entire range of loudspeakers is a genuine Austrian hand-made, labor-intensive product.
The centerpiece of ICHOS' sound converters are wideband drivers supported by hand-made cabinets with customized back-loaded, downward-facing horns and augmented by custom-made tweeters. As a result ICHOS loudspeakers produce a vibrant, natural acoustic pattern with an accurate, tight bass and a high sensitivity - from 92dB of the entry model to 100dB of the top model. Due to this rather elaborate construction and a very strong reinforcement inside the cabinet, feedback and vibrations are prevented.
ICHOS loudspeakers have special properties and characteristics due to a labor-intensive treatment of their membranes with mineral-based material, several oils and a special varnish. This particular treatment takes up to eight weeks. Before being fitted into the high-grade, handcrafted cases, every sound converter is properly burned-in for many hours. Together with the tweeter, ICHOS speakers achieve a crystal clear and subtly nuanced sound reproduction with a large dynamic scale and heavily boosted sound pressure level.
Simply said, ICHOS loudspeakers are a work of art due to multiple processes of painstaking handiwork and attention to detail. Fine tuning is done with the aid of exceptionally gifted musicians during many listening sessions. Speaker customizations are not only possible, but are welcomed.