Hegel H300 Amplificator

Hegel H300 Amplificator

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Ultimul preț cunoscut (21.11.2016): 12 900,00 RON

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Descrierea produsului
H 300 este cel mai mare model de amplificator integrat din oferta producatorului norvegian Hegel. H
300 este un model spectaculos, nu doar prin dimensiunile sale. Cu cei
250 W pe canal, este suficent de puternic incat sa conduca chiar si cele
mai dificile boxe disponibile pe piata. Beneficiaza de tehnologia
SoundEngine (patentata de catre Hegel) pentru a oferi un damping factor
enorm si suficient control la un nivel minim de distorsiuni. Prin
constructie, H 300 se apropie foarte mult de produsele Hegel din seria
Reference si ofera performante exceptionale intr-o singura cutie. Prin dotari, este extrem de flexibil si se poate conecta la o mare varietate de surse de muzica. DACul din H 300 este extrem de performant si care poate face ca sursa dumneavoastra digitala sa sune la adevaratul ei potential. Secretul
consta in modul in care semnalul digital este receptionat, tratat si
recompus in H 300. Investitia este asigurata pe viitor fiindca DACul
este upgradabil, iar viitoarele inovatii Hegel vor putea fi implementate
si in amplificatorul achizitionat astazi de catre dumneavoastra. Noi consideram ca H 300 este sigura componenta audiofila de care mai aveti nevoie inafara de o pereche de boxe de buna calitate. In
constructia lui H 300 au fost folositi tranzistori FET imperecheati
manual (este nevoie de 100 de perechi de tranzistori ca sa fie gasita o
pereche perfecta). Selectarea tranzistorilor conduce la eliminarea
distorsiunilor armonice, iar sunetul este mai rezolut si mai natural. Etajul
de preamplificare este punctul forte al lui H 300. Constructia este de
tip dual-mono, inspirata de preamplificatoarele dedicate, varf de gama. Etajul
de putere este denumit Hegel 2 Platform si asigura o excelenta
separatie intre canale si un nivel extrem de redus de distorsiuni. Etajul de alimentare este construit dual mono, asigura 1000 VA si are o filtrare de 90 000uF. Toate
sectiunile amplificatorului au fost dezvoltate special pentru acest
model si sunt net superioare solutiilor implementate in celelalte
integrate ale firmei. H 300 este prevazut cu o intrare analogica de nivel fix pentru a se putea integra cu usurinta in sisteme Home-Cinema. SoundStage!
Hi-Fi :The H300prime;s across-the-board high level of performance is
mainly why weprime;re including it in our list of Recommended Reference
Components, but thereprime;s another reason, one not mentioned in Hansprime;s
review. He didnprime;t buy the review sample, because that was already
scheduled to go elsewhere; but Hans did buy a brand-new H300 to use as
his reference integrated amplifier and DAC. Itprime;s one thing for a writer
to recommend a product for someone else to buy; itprime;s quite another for
him to believe in it enough to buy it himself and use it as his
reference for that component category. In fact, itprime;s the highest
compliment a reviewer can give to any product, and to the company that
makes it. All Hegel audio amplifiers are using a
new kind of distributed amplifier technology called DualAmp Technology.
This technology is used in all integrated amplifiers and power
amplifiers from Hegel. In normal audio amplifiers the voltage gain
stages and current gain stages are combined in the same amplifier
module. DualAmp Technology from Hegel separates the voltage gain stage
and the current gain stage into two completely different stages. First
the music signal goes to the voltage gain stage, amplifying only the
voltage level of the music signal. By doing only voltage gain in this
first stage, we can use amplifier building blocks that are specially
designed to do voltage amplification. After the separate voltage gain
stage, we have the current gain stage, doing only current gain and
nothing else.
This way we can use amplifier blocks
that are specially designed to do current gain. The current gain stage
is needed to deliver a lot of current to the loudspeakers connected to
the audio amplifier. By separating these two stages, we can keep the
sensitive parts of the voltage gain stages away from the large speaker
currents in the current output stage. The output of the voltage gain
stage is connected to the input of the current gain stage. There is no
feedback from the current gain stage to the voltage gain stage. The
Hegel DualAmp technology gives lower total distortion and a higher
dynamic range than normal audio amplifiers. The Hegel DualAmp technology
is developed in-house by Hegel, and is only found in Hegel products. Normal audio amplifiers are using the
same power supply for the different amplifier blocks within the audio
amplifier. The amplifier output stage driving the loudspeaker is using
the same power supply as the crucial input stages and voltage gain
stages of the audio amplifier. The large currents flowing in the
connected loudspeakers will disturb the sensitive input and voltage gain
stages of the audio amplifier. Hegel integrated amplifiers and power
amplifiers are using completely separate DualPower power supplies for
the input and voltage gain stages, and for the current output stages of
the audio amplifier. The custom designed Hegel power transformers have
got separate DualPower windings feeding independent high speed
rectifiers and high capacity power supply capacitors.
By using the DualPower power supply
technology Hegel amplifiers will prevent disturbances from the high
currents flowing in the loudspeakers entering the sensitive input gain
stages and voltage gain stages. The Hegel DualPower technology gives
lower total distortion and a higher dynamic range than normal audio
amplifiers. The Hegel DualPower technology is developed in-house by
Hegel, and is only found in Hegel products. Good recordings are best enjoyed naked.
The organic sound of Hegel means that all parts of a dynamic recording
are reproduced exactly like the original. The quality of the sound
coming out of your speakers are only limited by what happened in the
recording studio. Nothing added, nothing taken out - no artificial
ingredients. Music enjoyed on a Hegel system is the closest you can get
to the live studio session. We are proud to present The Hegel Concept -
the first music system in the world that utilizes the very latest
technology from all related fields, like integrated circuitry,
broadcasting technology and telecommunication. More than 10 years of
research and development have made it possible to reproduce music in a
more natural way than ever before.
Our goal is give music lovers the most
natural and engaging listening experience possible. Real life sound from
acoustic instruments and voices from known artists were our preferred
reference point while developing Hegel, because nothing else would do. It's a common fact: As a story is told
from person to person, details change. Things are added, others lost. At
some point, the story has changed. When a music signal is passing
through an audio amplifier a similar effect will take place. As the
signal is passed from stage to stage within the audio amplifier, the
music signal will be changed by every single amplifier stage. When the
music signal finally reaches your loudspeakers, the signal is different
from the original music signal from the signal source. The Hegel
SoundEngine local error cancelling system prevents distortion in the
audio amplifier circuit stages, preserving the original details and the
dynamic range in the original music signal. The end result is a much
cleaner music signal with a larger dynamic range and lower distortion.
The unique and patented Hegel
SoundEngine audio technology is combining the advantage of class
AB-amplifier and the advantage of class A-amplifiers, without having the
draw backs of class A and class AB-amplifier technologies. The
SoundEngine Technology will cancel crossover distortion found in all
types of class-AB amplifiers. The human ear is very sensitive to high
frequency distortion components in the music signal. The Hegel
SoundEngine technology will cancel high frequency distortion components
found in normal types of audio amplifiers. The Hegel SoundEngine
technology is not using any kind of global negative feedback, it is
using local and adaptive feed forward technology if there should ever be
any need for cancellation of distortion within the audio amplifier
stages. Almost all HiFi CD Players today are
using asynchronous upsampling to convert digital audio data to analog
audio. Hegel found that using this kind of asynchronous converter
technology will convert jitter error into amplitude error, giving less
than optimal sound quality. The Hegel CD Players are using a new digital
to analog conversion technology called synchronised upsampling. This
new technology gives higher resolution and less distortion, giving a
high sound quality. The SynchroDAC technology is used together with the
Direct MasterClock technology to keep jitter error and digital to analog
conversion errors to a minimum. This will give a cleaner sound and a
higher resolution than normal CD Player DAC technology.
The syncroDAC converter technology is
using true balanced signal processing to preserve highest possible
dynamic range and to reduce distortion. Hegel has done a lot of research
to be able to design the DAC converter boards in-house to convert the
digital audio data into high resolution analog audio from the CDs. To be
able to design the CD DAC converter boards in the best possible way
requires a lot of deep technical knowledge in the fields of low noise
analog electronics, high frequency electronics, signal processing
electronics and advanced circuit board layout techniques. The USB connector found on Hegel
amplifiers and digital to analogue converters opens a whole new world
for music and movie lovers. This functionality allows you to easily
connect your Hegel product to any computer with a reasonably new Windows
or Mac Os operating system installed. The most common Linux systems
will also work. The Hegel USB technology is actually a computer sound
card, or audio controller if you like. With the Hegel product connected,
all sounds usually played through your computer will now be played
through the Hegel. This means that, unlike let's say a music streamer, a
Hegel DAC will not only play your music files, but also any sounds that
come out of the computer, including Youtube videos or Skype chats.
What can it play? The Hegel will, when
connected take over all sounds. This means you can play music, video,
computer games, internet radio or hear the occasional ding when you
press and hold the Windows ANY-key for too long. Everything with superb
Hegel sound. The major benefit is noise reduction. Inside a computer you
have all kinds of noise generating equipment. And especially the very
low-gain analogue signal is very exposed to noise inside a computer. So
just moving the sound card out of the computer gives a real benefit. So
what is so special about the Hegel sound card? Well, it is not like
computer manufacturers have not tried to do their best for years. And
many of our competitors have tried doing great separate sound cards too,
these last couple of years. The special thing with Hegel is that we do
real life experiments. For example we found that the DAC-chip it self
only had limited importance. The implementation of it, however, had a
major impact on the sound. Compared to any other external USB sound card
you will find the Hegel more quiet, more dynamic and with less
Denumiri similare la Amplificator Hegel H300: H 300

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