RICERCA GUASTI

Problema

Causa

Soluzione

 

 

 

NON VI E’ SUONO

• Cavo alimentazione C.A. scollegato,

• Controllare che il cavo C.A. sia

 

oppure non vi è tensione

collegato e che l’apparecchiatura sia in

 

 

tensione

 

• L’interruttore di selezione degli input

• Impostare l’interruttore sull’input attivo

 

non è impostato su input attivo

 

 

• Comando regolazione livello input

• Girare il comando fino al livello

 

completamente azzerato

corretto

 

 

 

NON SI HA SUONO DA UN CANALE

• Comando “Balance” non centrato

• Centrare il comando “Balance”

 

• Altoparlante non collegato come

• Controllare le connessioni e gli

 

prescritto oppure danneggiato.

altoparlanti

 

• Cavo input scollegato o danneggiato

• Controllare i cavi e le connessioni

 

 

 

BASSI TROPPO DEBOLI/IMMAGINE

• Altoparlanti collegati fuori fase

• Controllare le connessioni a tutti gli

STEREO ASSENTE O SVANITA

 

altoparlante dell’impianto

 

• Bridge Mode selezionato quando gli

• Disinserire il Bridge Mode

 

altoparlanti sono connessi nel modo

 

 

normale

 

 

 

 

IL LED ALIMENTAZIONE/PROTEZIONE

• Cortocircuiti nel cablaggio degli

• Spegnere l’amplificatore e controllare

RIMANE A LUCE ROSSA QUANDO SI

altoparlanti

le connessioni dei cavi degli

ACCENDE L’UNITA’

 

altoparlanti per entrambi gli

 

 

altoparlanti sul pannello posteriore

 

 

dell’amplificatore e sugli altoparlanti.

 

 

Accendere l’amplificatore

 

 

 

INDICATORE ALIMENTAZIONE /

• Surriscaldamento dell’amplificatore

• Spegnere l’amplificatore. Assicurarsi

PROTEZIONE A LUCE ROSSA DURANTE IL

 

che le sfinestrature di ventilazione sono

FUNZIONAMENTO

 

e sotto l’amplificatore non siano

 

 

ostruite. Dopo che l’amplificatore si è

 

 

raffreddato, riaccenderlo

 

• Impedenza generale troppo bassa degli

• Assicurarsi che l’impedenza totale degli

 

altoparlanti

altoparlanti non sia inferiore a 4 ohm.

 

 

• Controllare i cavi degli altoparlanti

 

 

rilevando eventuali cortocircuiti

 

 

 

I

23

Page 23
Image 23
NAD C270 owner manual Ricerca Guasti, NON VI E’ Suono, Stereo Assente O Svanita, Accende L’UNITA’, Funzionamento

C270 specifications

The NAD C270 is a highly regarded power amplifier that has captured the attention of audiophiles and music enthusiasts alike. Known for its impressive performance and reliability, the C270 has become a staple in many home audio systems. This amplifier is part of NAD’s esteemed lineup, which is renowned for its commitment to high-quality sound reproduction and innovative technologies.

One of the key features of the NAD C270 is its robust construction. Built to withstand the rigors of everyday use, the amplifier features a solid chassis designed to minimize vibrations and protect internal components. This sturdy design not only enhances durability but also contributes to the overall sound quality, as stability is crucial for clarity in audio reproduction.

At the heart of the C270 is its impressive power output. The amplifier is capable of delivering a continuous RMS power of 130 watts per channel into 8 ohms, and it can increase its output to 200 watts per channel into 4 ohms. This significant power allows the C270 to drive a wide range of speakers, providing ample headroom for dynamic musical passages. Additionally, it features high current capability, which ensures excellent transient response, allowing it to handle the most demanding musical passages with ease.

The NAD C270 employs advanced technologies that improve its performance and efficiency. One notable feature is its use of NAD’s unique PowerDrive technology. This innovative design allows the amplifier to maintain its dynamic performance while ensuring reliability and protection against overheating. PowerDrive analyzes the output requirements and provides optimal power, ensuring consistent performance regardless of the speaker load.

Another significant aspect of the C270 is its dual-mono design, which provides independent amplification for each channel. This ensures that both the left and right channels operate without interference, resulting in a more immersive listening experience. The symmetrical layout also helps to minimize crosstalk, preserving the integrity of the audio signal.

In terms of connectivity, the C270 offers a variety of input options, allowing it to integrate seamlessly into any audio setup. With RCA inputs for standard connections and a low-level input for preamp connections, the amplifier caters to both classic and modern audio systems.

Overall, the NAD C270 is a powerful and versatile amplifier that embodies the essence of high-fidelity sound. Its combination of robust design, advanced technologies, and impressive performance makes it a popular choice for serious audio enthusiasts seeking to elevate their listening experience. Whether used with high-end speakers or as part of a home theater system, the C270 promises to deliver an audio experience that is both captivating and true to the original recordings.