NAD C 372 owner manual Troubleshooting, Specifications Amplifier Section

Page 10

ENGLISH FRANÇAIS DEUTSCH ESPAÑOL ITALIANO PORTUGUÊS SVENSKA

TROUBLESHOOTING

Problem

 

Cause

 

Solution

 

 

 

 

NO SOUND

Power AC lead unplugged or power not

• Check if AC lead is plugged in and power

 

 

switched on

 

switched on

 

• Tape 1 Monitor selected

De-select Tape 1 Monitor mode

 

Mute on

Switch off Mute

 

• Rear Pre-out/Main-in amp links not fitted

Fit links

 

No speakers selected

• Select the appropriate speakers (A / B)

 

 

 

 

 

NO SOUND ONE CHANNEL

Balance control not centred

Centre Balance control

 

• Speaker not properly connected

• Check connections and speakers

 

 

or damaged.

 

 

 

• Input lead disconnected or damaged

• Check leads and connections

 

 

 

 

WEAK BASS /

Speakers wired out of phase

• Check connections to all speakers in the system

DIFFUSE OR NO STEREO IMAGE

Bridge Mode selected when speakers are

Disengage Bridge Mode

 

 

connected normally

 

 

 

 

 

 

REMOTE CONTROL HANDSET NOT WORKING

Batteries flat, or incorrectly inserted

• Check or replace batteries

 

• IR transmitter or receiver windows obstructed

Remove obstruction

 

• IR receiver in direct sun or very bright ambient

• Place unit away from direct sun, reduce amount

 

 

light

 

of ambient light

 

 

 

 

POWER/PROTECTION LED STAYS RED UPON

Loudspeakers cabling has a short-circuit

• Turn amplifier off and check loudspeaker cable

TURNING POWER ON

 

 

 

connections for both speakers at amplifier's back

 

 

 

 

panel and loudspeakers. Turn amplifier on.

 

 

 

 

POWER/PROTECTION INDICATOR TURNS RED

Amplifier has over-heated.

• Turn amplifier off. Make sure ventilation slots on

DURING OPERATION

 

 

 

top and bottom of amplifier aren't blocked.

 

• Overall impedance of loudspeakers too low

 

After amplifier has cooled down, turn back on.

 

• Ensure the overall loudspeaker impedance isn't

 

 

 

 

below 4 ohms.

 

 

 

• Check loudspeaker cables for short circuits

 

 

 

 

 

SPECIFICATIONS

 

AMPLIFIER SECTION

 

Power output Stereo Mode

2 x 170W

(8 ohms within rated distortion)

 

IHF dynamic power; 8 ohms

2 x 220W

IHF dynamic power; 4 ohms

2 x 340W

Total harmonic distortion at rated power

0.02%

IM distortion at rated power

0.003%

Damping factor 8 ohms

>150

Input sensitivity and impedance

1.22 V / 20k ohms/470 pF

Frequency response 20 to 20,000 Hz

±0.3dB

Signal/noise ratio; ref rated power / 8 ohms (A-WTD)

>120dB

Signal/noise ratio; ref 1W / 8 ohms (A-WTD)

>100dB

Remote Control

Yes, SR 5

Specifications are subject to change without notice.

For the latest information about your C 372, updated documentation and features please log onto www.nadelectronics.com

10

Image 10
Contents 372 Important Safety Instructions Rear Panel Connections Front Panel Controls CD Input Quick StartRear Panel Connections Figure Disc Input Video InputSoft Clipping Volume PRE OUTBridge Mode Trigger OUTIEC AC Mains Power Input Bare Wires and PIN ConnectorsSwitched AC Outlet Front Panel Controls Figure Power ON/OFFBridge Mode Indicator Soft Clipping IndicatorVolume Input SelectorsPower on and OFF Buttons PowerdriveRemote Control Handset Figure Master VolumeRemote Control Figure Cassette Deck ControlTroubleshooting Specifications Amplifier SectionSvenska Português Italiano Español Deutsch Français English Entree CD Mise EN Route RapideBranchements SUR LE Panneau Arriere Figure Entree Disque Entree VideoSortie Preampli 2 PRE OUT Mode PonteEntree Principale MAIN-IN Ecretage Doux Soft ClippingFils NUS ET Bornes a Broches Entrée / Sortie IRHAUT-PARLEURS a + HAUT-PARLEURS B Prise Secteur Auxiliaire CommuteePrise Casque Headphone Télécommande Figure ET Boutons Marche / ArrêtLampe Témoin DE Veille / Protection STAND-BY/PROTECTION HAUT-PARLEURS Speakers a & BSelecteurs D’ENTREES Recepteur Infrarouge DE TelecommandesCommandes DES Graves Bass ET DES Aigus Treble Tonalite Neutre Tone DefeatMarche / Arret Alimentation Combine DE Telecommande FigureBI-AMPLIFICATEURS HAUT-PARLEURS a & BCommande DE Lecteur CD Volume Global Master VolumeCommande DE Tuner DepannageCaractéristiques Section Amplificateur 120 dBRückwandanschlüsse Abbildung DISC-EINGANG Disc Input SchnellstartHinweise ZUR Aufstellung CD-PLAYER-EINGANG CD InputVorverstärkerausgang 2 PRE-OUT Lautstärke Vorverstärkerausgang 2 Volume PRE OUTBRIDGE-MODUS Brückenschaltung Triggerausgang 12 V Trigger OUT Geschalteter Netzausgang Switched AC OutletIEC-NETZANSCHLUSS Power Blanke Leitungsenden UND EndhülsenLautsprecher A, B Speakers A, B INFRAROT-EMPFÄNGER DES FernbedienungssignalsKopfhörerbuchse Headphone EingangswahlschalterKlangeinsteller FÜR Tiefen & Höhen Bass & Treble Lautstärke VolumeAnzeige Bridge Mode Klangeinsteller AUS Tone DefeatFernbedienung Abbildung Netz EIN/AUS Power ON/OFFLautstärke Master Volume Mute StummschaltungProblemlösung Technische Daten VerstärkerBatterien in DAS Fach Einlegen CD Input Ingang CD Informatie Betreffende DE InstallatieSnelstart Video Input Ingang VideoBridge Mode Brugmodus Speakers a + Speakers B Luidsprekers a + Luidsprekers B Switched AC Outlet Geschakeld Stopcontact WisselstroomIR IN, OUT IR IN, UIT Ongeïsoleerde Draden EN PenstekkersKoptelefoonaansluiting IEC AC Mains Power Ingang WisselstroomnetvoedingAfstandsbediening Afbeelding ON/OFF Toetsen AAN / UIT Speakers a & B Luidsprekers a & BIngangskeuzetoetsen Volume GeluidssterkteControlelamp Bridge Mode Brugmodus Controlelamp Soft ClippingAfstandsbediening Afbeelding Power on & OFF Netvoeding AAN & UITBI-AMPING Gebruik VAN Twee Versterkers Voor LF EN HF Mute DempenBedieningselement Tuner Master Volume HoofdgeluidssterkteProblemen Oplossen Activeert Pause Activeert StopItaliano Español Nederlands Deutsch Français English Technische Gegevens VersterkerdeelCD Input Entrada DE CD Comienzo RapidoNotas Sobre LA Instalacion Video Input Entrada DE VídeoSoft Clipping Recorte Blando Volume PRE-OUTPRE-OUT ENTRADA, Salida DE Infrarrojos IR IN, OUTConectores DE Cable DE Hilo Desnudo Y DE Pasador Speakers a + Speakers B AltavocesEntrada DE RED DE CA IEC Alimentación Eléctrica Selectores DE Entrada Toma DE AuricularesSpeakers a & B Altavoces Receptor DE Ordenes DE Control Remoto DE InfrarrojosTone Defeat Anulacion DE Tono Volume VolumenIndicador DE Bridge Mode Balance EquilibrioAltavoces a Y B Master Volume Volumen PrincipalEncendido Y Apagado DE LA Alimentación Mute SilenciamientoEquipo Manual DE Control Remoto Figura Investigacion DE Averias Especificaciones Seccion DE AmplificadoresInput CD Avviamento RapidoConnessioni DEL Pannello Posteriore 1. Input Disco AUX Input Input Gruppi AulisiariModo Ponticellare Altoparlanti a + Altoparlanti B IEC AC Mains Power Input Input Alimentazione Rete C.A. IECComando SUL Quadro Anteriore FIG Power ON/OFF ACCESO/SPENTO Fili Scoperti E Connettori a PiediniAltoparlanti A, B Indicatore Soft ClippingPresa PER Cuffia Selettori InputEquilibrio Indicatore DEL Modo Ponticellare Bridge ModePower on & OFF Acceso E Spento Registrazione Come Effettuare UNA RegistrazioneEntrate Volume MasterDiffusori a E B Comando DEL SintonizzatoreTrasmettitore Telecomandi FIG Ricerca Guasti Specifiche Sezione AmplificatoreCD Input Entrada do Leitor DE Discos Compactos Instalação E Ligação RápidaObservações Sobre a Instalação AUX Input Entrada AUXMAIN-IN Entrada Principal Volume PRE-OUT Volume DE Saída do PRÉ-AMPLIFICADORBridge Mode Modo DE Ligação EM Ponte PRE-OUT 2 Saída do PRÉ-AMPLIFICADORTrigger OUT Saída DE Disparo DE 12 Switched AC Outlet Saída Comutada CACabos a Descoberto E Terminais DE Pinos Tomada DE Auscultadores Entrada DE Alimentação DE CA IEC Power AlimentaçãoComandos do Painel Dianteiro Figura Altifalantes A, BReceptor DE Infravermelhos DOS Comandos do Controlo Remoto Soft Clipping Indicator Indicador DE Limitação SuaveInput Selectors Selectores DE Entrada Tone Defeat Desactivação DA TonalidadeGravação Para Efectuar UMA Gravação Bridge Mode Indicator Indicador DE Modo DE Ligação EM PontePowerdrive Circuito DE Transmissão DE Potência Cópia DE Cassete Para CasseteSpeakers a & B Altifalantes a E B Power on & OFF Ligar / Desligar AlimentaçãoMaster Volume Volume Principal Mute Silenciamento+10 Resolução DE Problemas Especificações Secção do AmplificadorSvenska Português Italiano Español Deutsch Français English Anslutningar PÅ Apparatens BAKSIDA. SE FIG Disc Ingång SnabbstartTänk PÅ Följande VID Inkoppling CD IngångBryggkoppling Switchat NätuttagVolym PRE OUT Trigger UtgångSTAND-BY/SKYDDSLÄGESINDIKATOR Kontroller PÅ Apparatens Framsida SE FIG AV/PÅ KnappFjärrkontroll SE AV/PÅ Knappar HörlursuttagBAS & Diskantkontroller FjärrkontrollmottagareSoft Clipping Indikator BalanskontrollStyrfunktioner FÖR NAD Radiodel Power PÅ & AVHuvudvolym Styrfunktioner FÖR NAD KassettdäckFjärrkontrollen Figur Specifikationer Amplifier SectionManual 06/03

C 372 specifications

The NAD C 372 is a prominent integrated amplifier known for its exceptional clarity, power, and versatility, making it a favorite among audiophiles and music enthusiasts alike. Designed to deliver a high-quality audio experience, the C 372 integrates a variety of advanced technologies and features that contribute to its outstanding performance.

One of the standout characteristics of the NAD C 372 is its robust power output. The amplifier delivers a formidable 150 watts per channel into 8 ohms, ensuring that even the most demanding speakers are adequately driven. This ample power, coupled with NAD's signature Direct Digital Amplification technology, allows for accurate sound reproduction with minimal distortion. The result is a dynamic listening experience that brings music to life with vivid detail.

Another notable feature of the C 372 is its innovative PowerDrive technology. This allows the amplifier to remain stable and produce consistent sound quality across a wide range of speaker impedances. The ability to adapt to different loads makes it versatile enough to match with various speaker types, enhancing the overall listening experience and providing the listener with a significant degree of flexibility.

In addition to its powerful amplification capabilities, the NAD C 372 incorporates a high-quality phono stage, making it an excellent choice for vinyl enthusiasts. The built-in MM/MC (moving magnet/moving coil) phono input ensures that even the finest nuances of a record are captured and reproduced accurately. This feature underscores NAD's commitment to preserving the integrity of analog sources while integrating them seamlessly into a modern audio setup.

The C 372 also offers a range of connectivity options, including multiple line-level inputs, digital inputs, and a home theater bypass function. This versatility allows the amplifier to serve as a central hub for various audio sources, from CD players to streaming devices, ensuring that users can enjoy their music and films without limitations.

Furthermore, the NAD C 372 is designed with a user-friendly interface, featuring a clear display and intuitive controls that make operation straightforward. Its classic design, combined with a solid build quality, ensures that the amplifier not only performs excellently but also looks great in any audio setup.

In summary, the NAD C 372 integrated amplifier stands out through its powerful output, advanced technologies like PowerDrive and Direct Digital Amplification, versatile connectivity options, and a dedicated phono input. It is a well-rounded choice for anyone looking to elevate their home audio experience.