Counterpoint DA-10E

Counterpoint DA-10E




Convertitore in ottime condizioni senza imballo.
Conversione Analog Devices AD20




Specifiche (inglese)

The D/A converter corresponding to [ incorporate the view of the counter point no one but to a digital play, and ] various conversion systems.

In the 20-bit resolution DAC chip of an Analog Devices, and DA-10UA, as for the D/A conversion part of DA-10st, 20 bits of duals of Ultraanalog carry DAC.
Since no operational amplifier is used for the core of a chip, for sound, there is no necessity for harmful negative feedback, and more natural reproducibility has been obtained.

The newest receiver chip of crystal Semiconductor which has established reputation in a digital audio interface part with reliability CS8412 is adopted. The Jitter ingredient which influences the accuracy of a digital section by this is stopped to conventional one fourth.

In DA-10 series, the DAC trim which can adjust the linearity at the time of a minute level the optimal is carried in the front panel. Thereby, the linearity at the time of a minute level can be optimized.
In DA-10UA, although adjustment of this trimmer is unnecessary, at the time of use, LED turns on DA10-AD20 which is a DAC card of an option, and adjustment becomes possible.

The analog stage, and the current / voltage conversion stage were used as the zero feedback amplifier of completeness discrete composition, and degradation of the signal which was not avoided in the voltage / current conversion by the conventional 100% feedback type operational amplifier is eliminated.

The thing of counter point original was adopted as the power transformer, and it carried out by digital one and analog each section independence, and has. Furthermore, the interference to the analog section from a digital section is eliminated by having used 17 places and a decoupling power source.

A passive 3rd LC vessel type anti aliasing filter is adopted as a low pass filter, and common overshooting and ringing, and group delay are reduced in the high order steep filter at it.

Parts selected carefully, such as loader Stein metal tunic resistance and a film capacitor by TRT, are used.

The digital input carries a total of four lines of three coaxials and one optical. A coaxial is a BNC type of gilding and optical serves as ST link system.
Furthermore, the interface of a coaxial and two TOSLINK is carried as tape input and output which connect a DAT deck.

The design which can exchange a DAC card board so that the difference in a digital conversion system can be enjoyed is used for DA-10 series.
The DAC card was sold as an option option.


Consonance Srl

Ricordo da bambino zia Maria a casa della nonna suonare con il Petrov Pianofortissimo di Carosone, un brano da virtuosi che lei eseguiva con naturalezza. L’idea di riprodurre la musica dal vivo in un luogo protetto come la casa di mia nonna mi ha spinto a fare di questa passione il mio lavoro. A 14 anni andai per la prima volta in un negozio di dischi, chiesi i Police e ascoltai Bring On The Night in un “Pioneer A400”: fu un momento indimenticabile, un rituale di iniziazione…

Da qui è nata la mia passione: all’istituto agrario passavo ore tra i banchi di scuola ad immaginare come potesse suonare quel pezzo strappalacrime di Tracy Chapman, Baby can I hold you, con le casse di ultima generazione Yamaha. L’adolescenza l’ho passata costruendo o riparando amplificatori Marantz che trovavamo a casa di amici e parenti.A un certo punto con mio padre decidemmo di creare Consonance, per coniugare questa passione con il lavoro: e sono passati quasi 30 anni dal fatidico 21 aprile del 1991, quando aprimmo il primo negozio.

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