What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Diapason Reference Series

Form and material fi nd their perfect balance when combined by man’s ingenious intuition, like in the creation of musical instruments. Or when designing instruments for music reproduction. Adamantes III N.W. and Karis N.W. loudspeakers are worldwide unique: the cabinet is fully made in solid wood, following procedures and techniques that trace back from the tradition and knowledge of master craftsmen qualifi ed in the manufacture of acoustic speakers from generation to generation.

The multi-faceted diamond shape of Adamantes III N.W. and Karis N.W. was designed to provide a circular pattern of sound-wave emission from the loudspeaker, thus giving a close approximation to the theoretical ideal of point-source radiation. While listening to, the speaker simply disappears, leaving just the music and our emotion on the stage. The same multi-faceted shape is also found inside the cabinet. This gives very effective control of internal refl ection, while wooden structures of different thickness help ensure that the cabinet is virtually resonancefree. Simplicity, quality without compromise and the most advanced technological research are the guidelines in speaker design and in the choice of drivers and crossover components.

The DDD (Diapason Direct Drive) technology applied to bass unit has been developed during more than ten years’ experience in loudspeakers design, in collaboration with the best Northern European driver manufacturers. Thanks to DDD direct connection from the amplifi er to the bass driver is allowed without the use of a low-pass fi lter in the crossover. The result of this system can be heard immediately when listening: grater transient speed in low frequency range with no loss of sensitivity or phase rotation. The match with the treated silk soft dome treble unit will astonish the listener for its naturalness, realism, three-dimensional experience, and for its capability to return the full spectrum of musical information available during a live musical event. The completeness of all information available to our ears makes the listening experience with Adamantes N.W. and Karis N.W. full of emotion and acoustically detailed. The drivers, especially manufactured according to Diapason specifi cation, are performance-matched within a tolerance of less than 1% for loudspeakers best acoustic performance.

The 3/P stand (63 cm) patented design removes cabinet vibrations by transferring them away from the speaker to the fl oor through three steel support bars. The wooden 3 columns shape works just as external structure since the speaker is isolated from the ground by stell bars only. The 2/B stand (75 cm) is made of a heavy metal and wood structure. The 2/B is provided with 4 cm spikes under the bottom base, making the stand ideal for use on carpet floor.

The high-pass crossover circuit is hard wired with Van den hul CS cable in oxygen-free silver coated copper, eliminating deleterious sonic effect of printed-circuit boards. A stringent fi nal quality check is carried out before packing to ensure that every loudspeaker is in perfect working order. The original Diapason stands are recommended together with Adamantes III N.W. and Karis N.W., since they contribute to the superb sound and aesthetical value.

Front-ported centre-speaker, grants excellent results in voice reproduction, is a functional element in a multi-channel system, matching with Adamantes III N.W. and Karis N.W.

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