
Moderator: Redaktörer
Max_Headroom skrev:Oj! En high-End högtalare med sund grundkonstruktion och som ser bra ut!
Flint skrev:Nefilim
Vad läser du in för hrm... "tolkning" i den där?
tFlint skrev:KarlXII skrev:Flint skrev:Skaparglädjen känner inga gränser.
Medge att den är cool..
Helt klart.

Flint skrev:Och den typen av institutionsrattar gillar jag. Har ett par stycken som kommer från någon kasserad mätutrustning. Föredömligt tydliga.

mrk skrev:KarlXII skrev:Electronluv.
Ja, jag vet inte riktigt vad det är för något, men jag känner att jag vill ha den. Eller dem. Skulle sitta bra i min steampunkhörna.
Gör den god espresso?




Objektivisten skrev:En Ultrasound Otello kanske, om man hitta en beggad. 90 kg, noll motkoppling och en utgångsimpendans på 1 MegaOhm. Pris när det begav sig: 1,000,000,000 Lira eller 600 000 US Dollar.
Laila skrev:Vilka högisar rekommenderar du till en stärkare med
1 MegaOhm utgångsimpedans ?
The output impedance of the amplifier is very higher than that of the loudspeaker. In this way, we keep constant the current, while the voltage varies. It is a system never used because his complexity, but it is the best in absolute from the point of view of the musical result.
Due to great transparency and coherence of our speakers, the quality of all components behind is underlined to the maximum. That has pushed us to seek for amplifiers with superior performances than actual ones, with ours usual philosophy: take the way that carries longer, independently from the difficulties and from the costs, with the only limit of the physical laws. Starting from the fundamental point that the music is not made by sinusoids (that is, static signals), but on the contrary by signals quickly varying in time (transitory), we have rejected the voltage driving and choosen the current driving. Since there is no experience on this solution (there are however many convinctions absolutely wrong), we have therefore performed a long research to understand if in this way was possible to design something really better than all amplifiers builded so far.
After many years of research, ULTRASOUND has been able to build some current generators (click on the link for technical info) that directly control the current in the loudspeaker, resulting in a substantial reduction of distortion. These devices represent a real revolution in amplification, offering important advantages as regards the conventional amplifiers:
first, feedback that happens in a voltage-driven loudspeaker is eliminated;
non-linearity due to overlapping of forces of different nature in the loudspeaker is also eliminated;
frequency response in dynamic regime is extended;
better coupling with the loudspeaker is achieved;
number of components crossed by the signal is reduced, approaching the ideal of "wire with gain" considered the goal to reach.
This search has already lead to the realization of two amplifiers absolutely unique, OTELLO (valves) and PARSEC (hybrid); from the 1996 we are working at the realization of NIHIL, the first (and unique) monocomponent amplifier of the history: that is, if the ideal amplifier is a wire with gain, this is the maximum that can be done.
Nefilim skrev:Ångrar att jag sålde detta steg + försteget ALD-1, Drive + DAC.
Dräglar gör jag väl inte precis, men saknar prylarna då och då. Det var en ruskig kraft och kontroll i stärkaren. Dessutom är looken sådär lagomt tuff.![]()
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