Cambridge Audio 540A user manual Troubleshooting, Specifications

Page 14

TROUBLESHOOTING

There is no power

Ensure the AC power cord is connected securely.

Ensure the plug is fully inserted into the wall socket and is switched on. Check fuse in the mains plug or adaptor

There is no sound

Make sure the unit is not in Standby mode

Check that source component is properly connected

Check that 'TAPE MON' is not switched on (unless tape input is required) Check that your speakers are properly connected

If using Speaker B terminals check they are switched on If channel LED is flashing turn mute off

There is no sound on one channel

Ensure that balance control is in the correct position

Check speaker connections

Check interconnects

There is a loud buzz or hum

Check turntable or tone arm for ground and connection lead fault Ensure no interconnects are loose or defective

Ensure that your tape deck/turntable is not too close to the amplifier

Unable to make or play tape recordings

Check that TAPE MON and TAPE OUT have been connected correctly

There is weak bass or diffused stereo imaging

Ensure that speakers are not wired out of phase

Will not switch out of standby - protection LED flashing

Please see section on CAP5 protection system

Protection LED flashing

Please see section on CAP5 protection system (page 12)

SPECIFICATIONS

 

540A

640A

Power Output

75W (into 4)

100W (into 4)

Max Power

50W (into 8)

65W (into 8)

 

 

Consumption

515W

615W

Standby Power

 

 

Consumption

6W

6W

THD (unweighted)

1kHz < 0.009%

1kHz < 0.005%

 

20kHz < 0.09%

20kHz < 0.07%

Freq Response (-3dB)

5Hz - 50kHz

4Hz - 80kHz

S to N Ratio (unweighted)

92dB

92dB

Slew Rate (into 8)

30V/uS

50V/uS

Dimensions (HxWxD)

100 x 430 x 310

100 x 430 x 310

mm

inches

3.9 x 16.9 x 12.2

3.9 x 16.9 x 12.2

Weight

7

7

kg

Lbs

15.4

15.4

14

Image 14
Contents Azur 540A/640A Introduction About this amplifierContents 540A/640A Integrated amplifierPlug fitting instructions UK only Safety PrecautionsChecking the power supply rating Installation Loudspeaker connections AC power socketRear Panel Connections Pre amp outsAux/Phono input sockets Tape outCD/Tuner/DVD/AV/MD input sockets Ground connectionTape connection ConnectingBasic connection Using Speaker B connections Bi-ampingHeadphone socket Operating InstructionsStandby/On Speaker B on/offBass and treble tone controls VolumeRemote control operation/features BalanceCAP5 Five WAY Protection System Indication Fault/Remedy Troubleshooting SpecificationsLimited Warranty Einleitung Einige Details540A/640A HIFI-Verstärker InhaltSicherheitshinweise Überprüfung der NetzspannungInstallation Lautsprecher Anschlüsse Anschlüsse AUF DER Geräterückseite230-240Volt Anschluß Rec Out 1 Pre OutTape CD, Tuner/DAB, DVD, AV/MDAnschluß eines Aufzeichnungsgerätes Standard VerbindungenLautsprecher Gruppe ‚B Manufactured in an ISO9002 approved facility‚Direct Taste BedienungshinweiseKopfhörer Buchse Phones Balance Einstellung KlangregelungLautstärke Einstellung EingangswahlschalterCAP5 Schutzschaltung Anzeige Fehler / Abhilfe Problembehandlung Technische DatenHaftungsbeschränkung Propos de cet amplificateur 540A/640A Amplificateur intégré SommaireConsignes DE Sécurité Vérification de la puissance de lalimentationInstallation Connexions haut-parleurs Connexions Panneau ArrièrePrise de courant alternatif Sorties pre-amplificateurPrises dentrée AUX/PHONO Tape out Sortie cassettePrises dentrée CD/Tuner/DVD/AV/MD Ground connection TerreConnexions a un magnetophone ConnexionsConnexions de base Bi-amplification Utilisation des connexions Speaker B haut-parleur BPrise pour le casque Mode DemploiStandby Veille Speaker B on/off Haut-parleur B marche/arrêtCapteur infrarouge Commandes de reglage de la tonalite grave & aigueCaractéristiques/mode demploi de la télécommande Boutons poussoirs de selection dentreeDétection de court-circuit Détection intelligente de lécrêtageDétection de température excessive Détection CCProblème Panne/Solution Guide DE Depannage Caracteristiques TechniquesGarantie Limitée Introducción Acerca de este amplificador540A/640A Amplificador integrado ÍndicePrecauciones DE Seguridad Instalación Conexiones de altavoces Conexiones DEL Panel TraseroTomacorriente de CA Salidas pre amp preamplificaciónConexión a tierra Tape out Salida de cintaEnchufes de entrada Aux/Phono Conexión de cinta ConexiónConexión básica Biamplificación Uso de las conexiones del Altavoz BEnchufe de headphone Auricular Instrucciones DE FuncionamientoStandby En espera On/off Encendido/apagado de Altavoz BSensor remoto VolumenControles de tono de bass bajos y treble agudos Botones pulsadores de selección de entradaCAP5 Sistema DE Protección DE Audio DE 5 Vías Indicación Fallo/Remedio Guía DE Resolución DE Fallos EspecificacionesGarantía Limitada Introduzione Dati su questo amplificatore540A/640A Amplificatore integrato IndicePrecauzioni DI Sicurezza Controllo della tensione di alimentazioneInstallazione Pre amp out Presa di corrente CACollegamenti degli altoparlanti Collegamento a terra Prese entrata CD/RADIO/DVD/AV/MDPrese entrata Aux/Phono Collegamento tape CollegamentoCollegamento base Uso dei collegamenti Speaker B AcutiAcuti BassiBassiPresa cuffie Istruzioni PER IL FunzionamentoStandby Pulsanti selezione entrata Comandi tono bass e trebleSensore telecomando Pulsante selezione tape monitorCAP5 Sistema DI Protezione a 5 VIE Indicazione Guasto/Rimedio Risoluzione DEI Problemi Dati TecniciLimiti DI Garanzia CON Ogni DifettoIndledning Om denne forstærker540A/640A Integreret forstærker IndholdSikkerhedsforanstaltninger Kontrol af netspændingenInstallering Højttalertilslutninger Tilslutninger PÅ BagpanelTilslutning til vekselstrøm ForstærkerudgangeIndgangsstik til Aux/Phono Bånd udIndgangsstik til CD/Tuner/DVD/AV/MD JordforbindelseBåndtilslutning Sådan Tilslutter DUGrundlæggende tilslutning Sådan bruger du tilslutningen Højttaler B Impedance 4 8 ohms Loudspeaker TerminalsHøjttaler B tænd/sluk BetjeningsvejledningTilslutning til hovedtelefon DirekteTrykknapper for indgangsvalg Bas & DiskantFjernbetjeningssensor Knap for valg af båndmonitorCAP5 5-VEJS Beskyttelsessystem Indikation Fejl/Afhjælpning Fejlfindingsvejledning Specifikationer Begrænset Garanti Inleiding Over deze versterker540A/640A Geïntegreerde versterker InhoudVeiligheidsvoorschriften De stroomspanning controlerenInstallatie Luidsprekeraansluiting AchterpaneelaansluitingenAC stroomaansluiting Aarding CD/Tuner/DVD/AV/MD-ingangenAux/Phono-ingangen Tapeaansluiting AansluitingStandaardaansluiting Gebruik van de Speaker B-aansluiting HoofdversterkerKoptelefoonsaansluiting BedieningsinstructiesStand-by Speaker B aan/uitBalans Regeling van de bas & trebleAfstandsbedieningssensor Drukknoppen voor bronapparaatselectieCAP5 5-WEGS Beschermingssysteem Indicatie Fout/Oplossing Probleemoplossing SpecificatiesBeperkte Garantie Введение Об этом усилителеВстроенный усилитель 540A/640A СодержаниеПравила Техники Безопасности Проверка соответствия напряжения питанияУстановка Подсоединения НА Задней Панели Разъем питания от сети переменного тока ACTape out выход ленточного магнитофона Подключение Основная схема подключенияBi-amping Применение двух усилителей Указания ПО Эксплуатации Standby/On Режим ожидания/ВключеноУправление басами и высокими тонами CAP5 Пятивариантная Система Защиты Интеллектуальное обнаружение скачков нагрузкиИндикация Неисправность /Исправление Выявление Неисправностей Характеристики Нет напряжения питанияОграниченная Гарантия Несчастным случаем, неправильным употреблениемAzur 540A/640A
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540A specifications

Cambridge Audio has established itself as a formidable force in the realm of high-fidelity audio equipment, and the 540A and 640A amplifiers exemplify the company's commitment to delivering exceptional sound quality at a competitive price point. These integrated amplifiers, known for their detailed sound reproduction and robust performance, cater to audiophiles who appreciate both quality and value.

The Cambridge Audio 540A is part of the company's entry-level range, designed for music enthusiasts seeking an affordable yet high-performance amplifier. The 540A boasts a powerful 50 watts per channel output, allowing it to drive a variety of speaker types with ease. The design emphasizes simplicity and user-friendliness, featuring straightforward controls and a sleek finish that fits well in any audio setup.

One of the standout features of the 540A is its dual-mono circuit design. This architecture minimizes crosstalk and signal interference, allowing for a cleaner, more precise sound. It also incorporates high-quality components, including a toroidal transformer, which contributes to improved efficiency and reduced distortion. Additionally, the amplifier features a range of inputs, including multiple line-level options, making it versatile enough to accommodate various audio sources such as CD players, turntables, and streaming devices.

On the other hand, the 640A is an upgrade that builds upon the strengths of the 540A. With a more powerful output of 75 watts per channel, the 640A is designed for users who demand more from their audio systems. This amplifier incorporates an improved power supply and enhanced components, further refining the sound quality. The 640A also introduces features such as a high-quality phono stage, enabling direct connection to turntables without the need for separate equipment.

Both amplifiers incorporate Cambridge Audio's dedication to quality with a focus on analog circuitry. This is particularly evident in the warm, rich sound signature that these amplifiers provide, making them ideal for a range of music genres. The build quality is robust, with a solid chassis designed to reduce vibration and resonance, ensuring a stable platform for audio performance.

In summary, the Cambridge Audio 540A and 640A amplifiers offer a compelling combination of sound quality, versatile connectivity options, and robust design. Whether you are an entry-level audiophile or a seasoned listener looking for an upgrade, these amplifiers provide an engaging listening experience that highlights the nuances and details of your favorite music. With Cambridge Audio's unwavering focus on high-fidelity sound, both models are captivating choices that continue to impress users worldwide.