Tact Lyngdorf SDA 2175

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Πωλείται Tact – Lyngdorf Semi Digital Amplifier SDA 2175

Τιμή πώλησης 950€ (καινούργιος κοστίζει 1200€)

Reviews : http://www.tactaudio.dk/reviews.html


Αγοράστηκε πριν από 2 περίπου μήνες (έχει ακόμα περίπου 10 μήνες εγγύηση).

Σε ΑΡΙΣΤΗ κατάσταση, χρώμα μαύρο απολύτως αγρατζούνιστος με manuals, εγγύηση και τα κουτιά του.

Επικοινωνήστε μαζί μου στο 6977-204083.


Αντρέας



The SDA 2175 is a high-performance semi digital amplifier designed without compromise. It acts as a controllable slave amplifier in Lyngdorf Audio active speaker systems or as a power amplifier for external pre-amplifiers.
Not your regular Class D amplifier
The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low natural distortion, and an unmatchable performance is achieved by using less feedback than other Class D amplifiers.
Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren Toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction as in conventional amplifiers. This technique originates from the design of the Millennium, but can also be used in semi digital amplifiers.
Low Noise Floor
The SDA 2175 employs a fully-balanced topology. If the switchable input is driven from a balanced source the signal is kept balanced all the way through the amplifier to the PWM conversion stage. This guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market.
In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this means the SDA 2175 benefits from low and frequency-independent distortion. Consequently wideband musical instruments can be reproduced without any added harmonics – any source will be recreated to sound the way it was recorded.
Build Quality
The entire amplifier is well-packed in a solid aluminium chassis featuring extremely good build quality. Aluminum is non-magnetic, but is still capable of shielding against high frequency RF interference. Even the bolt holding the mains transformer is made from non-magnetic stainless steel. Not only does this construction please the eye – it also acts as a rigid and vibration-free environment for the electronics.
The SDA 2175 is the natural choice when driving a 2+2 active speaker configuration.
 


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