NAD C 272 owner manual Troubleshooting, Problem Cause Solution

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TROUBLESHOOTING

Problem

Cause

Solution

 

 

 

NO SOUND

• Power AC lead unplugged or power not

• Check if AC lead is plugged in and

 

switched on

power switched on

 

• Input Select switch not set to active input

• Set switch to the active input

 

• Input Level Control turned down

• Turn control up to the correct level

 

 

 

NO SOUND ONE CHANNEL

• Balance control not centred

• Centre Balance control

 

• Speaker not properly connected or

• Check connections and speakers

 

damaged

 

 

• Input lead disconnected or damaged

• Check leads and connections

 

 

 

WEAK BASS / DIFFUSE OR

• Speakers wired out of phase

• Check connections to all speakers in the

NO STEREO IMAGE

• Bridge Mode selected when speakers

system

 

are connected normally

• Disengage Bridge Mode

 

 

 

POWER/PROTECTION LED STAYS RED

• Loudspeakers cabling has a short-circuit

• Turn amplifier off and check

UPON TURNING POWER ON

 

loudspeaker cable connections for both

 

 

speakers at amplifier’s back panel and

 

 

loudspeakers. Turn amplifier on

 

 

 

POWER/PROTECTION INDICATOR TURNS

• Amplifier has over-heated

• Turn amplifier off. Make sure ventilation

RED DURING OPERATION

• Overall impedance of loudspeakers

slots on top and bottom of amplifier

 

too low

aren’t blocked. After amplifier has

 

 

cooled down, turn back on

 

 

• Ensure the overall loudspeaker

 

 

impedance isn’t below 4 ohms

 

 

• Check loudspeaker cables for

 

 

short circuits

 

 

 

GB

#

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Contents 272 Important Safety Instructions Rear Panel Connections Figure Front Panel Controls FigureNAD C 272 Stereo Power Amplifier Bare Wires and PIN Connectors Bridge ModeSpeakers a & Speakers B Soft ClippingFront Panel Controls Figure STAND-BY/PROTECTION Indicator Power ON/OFFTrigger Indicator Sense IndicatorATO Logic Chart ATO LogicTroubleshooting Problem Cause SolutionPage Amplificateur de Puissance NAD C Commande DE Niveau D’ENTREE Input Level Mode PonteBi-Amplificateurs HAUT-PARLEURS a & HAUT-PARLEURS BFonctionnement normal Veille Protection Indicateur DE Mode Ponte Bridge Mode Indicateur d’ASSERVISSEMENT TriggerIndicateur Capteur Sense Indicateur D’ECRETAGE Doux Soft ClippingATO Logic DE NAD Tableau DE Logique DE Mise EN Marche Automatique ATO LogicDepannage Endverstärker NAD C Eingangspegelsteller Input Level Blanke Drähte UND EndhülsenBRIDGE-MODUS Brückenschaltung Soft ClippingNormalbetrieb Bereitschaftsmodus Schutzschaltung ATO-LOGIC-TABELLE Anzeige Bridge ModeNAD ATO Logic Problemlösung Page Amplificador NAD C Inicio RapidoNotas Sobre LA Instalacion Conexiones DEL Panel Trasero Figure Fixed12V Trigger Auto ON-OFF Speakers a & Speakers BCables Desnudos Y Conectores DE Patillas Funcionamiento normal Stand-by Protection NAD ATO Logic Logitrónica ATO DE NAD Tabla DE ATO Logic Logitrónica ATOInvestigacion DE Averias Page Amplificatore NAD C Controllo Livello DI Input Altoparlanti a ED Altoparlanti BFili Scoperti E Connettori a Piedini Modo PonticellareVerde Arancione Rosso Attesa Standby ProtezioneSchema Della Logica ATO Logica NAD ATORicerca Guasti Page Amplificador de Energia NAD C Bridge Mode Modo DE Ligação EM Ponte Input Level Control Controlo DE Nível DE EntradaSpeakers a & Speakers B Altifalantes a E B Cabos a Descoberto E Terminais DE PinosFuncionamento normal Stand-by Protecção SLEEP/WAKE, SEBSE/DEFEAT Indicador Detecção Trigger Indicator Indicador TriggerBridge Mode Indicator Indicador DE Modo DE Ligação EM Ponte Circuito Lógico DE ATO Patenteado Pela NAD Tabela do Circuito Lógico DE ATOResolução DE Problemas ATT Tänka PÅ VID Installation SnabbstartAnslutningar PÅ Apparatens Baksida Figure Fixed IngångsväljareHögtalarterminaler a & B Bryggkoppling12V Trigger Automatiskt AV OCH Påslag 12V Trigger IngångRött Stand-by SkyddslägeNAD ATO Logic ATO Logic TabellFelsökning Page NAD Electronics

C 272 specifications

The NAD C 272 is a high-performance power amplifier designed for audiophiles seeking exceptional sound quality and versatility. This amplifier integrates advanced technology and robust engineering, making it a popular choice for both home theater setups and stereo systems.

One of the main features of the NAD C 272 is its power output. It is capable of delivering an impressive 150 watts per channel into 8 ohms, with dynamic power reaching up to 300 watts into 4 ohms. This allows the C 272 to drive a wide range of speakers, providing ample headroom for complex musical passages or explosive soundtracks. The amplifier employs a high-current design that ensures it can handle transient peaks without distortion, resulting in a clear and dynamic sound.

The C 272 utilizes NAD's proprietary PowerDrive technology, which intelligently manages the amplifier’s output to deliver the necessary power without sacrificing sound quality. This technology ensures that the amplifier maintains control over the speakers, allowing for detailed and accurate reproduction of music across various genres. Additionally, the C 272 features an adaptive biasing system that optimizes the amplifier’s operation, improving efficiency and thermal performance.

Constructed with a solid chassis, the C 272 is designed to minimize vibration and electromagnetic interference. This helps preserve the integrity of the audio signal, resulting in a transparent and lifelike listening experience. The amplifier's user-friendly design includes a straightforward front panel with power and input select buttons, while the rear panel provides connections for both balanced and unbalanced inputs, making it compatible with a wide range of audio components.

The NAD C 272 also features protection circuits that safeguard the amplifier and connected speakers from overheating and short-circuit issues. This reliability makes it an ideal choice for long listening sessions, ensuring peace of mind while enjoying your favorite music or movies.

In conclusion, the NAD C 272 stands out for its combination of power, technology, and sound quality. The amplifier caters to those who prioritize performance in their audio systems, making it a worthy addition for any serious music lover or home theater enthusiast. With its robust engineering and high-quality components, the C 272 continues to receive accolades for its ability to deliver a rich and engaging listening experience.
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