Rotel Complete Guide for Stereo Amplifier Setup and Connections

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Figure 2: Stereo Connections – Inputs and Speakers

Branchements des entrées et des enceintes en mode stéréo

Anschlußdiagramm bei Stereobetrieb - Eingänge und Lautsprecher

Collegamenti stereo - Ingressi e diffusori

Entradas RCA y Terminales de Conexión a las Cajas Acústicas

PREAMPLIFIER / PRÉAMPLIFICATEUR / VORVERSTÄRKER / PREAMPLIFICATORE / PREAMPLIFICADOR

PREAMP OUTPUTS

R L

ROTEL RB-981

WARNING:TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

RIGHT INPUT

SPEAKER IMPEDANCE

 

CAUTION

 

 

 

 

 

STEREO 4 OHMS MINIMUM

 

RISK OF ELECTRIC SHOCK

 

 

POWER AMPLIFIER

BRIDGED 8 OHMS MINIMUM

 

DO NOT OPEN

 

 

MODEL NO. RB-981

 

 

 

 

 

 

 

 

AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR

POWER CONSUMPTION: 400W

 

SPEAKERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

LEFT

 

 

LEFT INPUT

 

 

 

 

 

 

 

 

 

 

SERIAL NO.

Figure 3: Bridged Mono Connections – Inputs and Speakers Branchements des entrées et des enceintes en ponté mode mono Anschlußdiagramm bei Brückenschaltung - Eingänge und Lautsprecher Collegamenti mono configurazione “a ponte - Ingressi e diffusori

Conexiones para el Funcionamiento en Modo Monofónico Puenteado - Entradas RCA y Terminales de Conexión a las Cajas Acústicas

PREAMPLIFIER / PRÉAMPLIFICATEUR / VORVERSTÄRKER / PREAMPLIFICATORE / PREAMPLIFICADOR

 

 

 

PREAMP OUTPUTS

 

 

 

 

R

L

 

 

 

 

 

 

ROTEL RB-981

WARNING:TO REDUCE THE RISK OF FIRE

SPEAKER IMPEDANCE

CAUTION

 

 

OR ELECTRICAL SHOCK, DO NOT EXPOSE

STEREO 4 OHMS MINIMUM

RISK OF ELECTRIC SHOCK

 

POWER AMPLIFIER

THIS EQUIPMENT TO RAIN OR MOISTURE.

BRIDGED 8 OHMS MINIMUM

DO NOT OPEN

 

MODEL NO. RB-981

 

 

 

AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR

POWER CONSUMPTION: 400W

 

 

SPEAKERS

 

 

 

RIGHT INPUT

RIGHT

LEFT

 

LEFT INPUT

 

 

 

 

 

 

 

 

 

 

SERIAL NO.

Jumper Locations

Emplacement des Cavaliers

Jumperposition

Le posizioni dei ponticelli

Ubicaciones de los Puentes

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Contents RB-981 Risk of Electric Shock Do not Open Stereo Power Amplifier RB-981 Rotel RB-981 English About RotelGetting Started AC Power and Control Input Signal Connection Speaker ConnectionTroubleshooting Bridged Mono OperationFrançais Table des matièresEmplacement Un mot sur RotelPréliminaire Quelques précautionsAlimentation et commutateur général Prises d’entréePrise de courant secteur Commutateur 1 et témoin d’alimentationUtilisation de l’appareil en mode ponté Raccordement des enceintesDépannage Inhaltsverzeichnis Sicherheits- und WarnhinweiseDeutsch Die Firma RotelZu dieser Anleitung Einige VorsichtsmaßnahmenNetzspannung und Bedienung EingängeNetzanschluß Netzschalter 1 und BetriebsanzeigeLautsprecher BrückenschaltungBei Störungen Italiano IndiceIstruzioni di Sicurezza per l’RB Attenzione Numeri in grassetto fanno riferimento alle illustrazioniAlcune parole sulla Rotel Per cominciareAlcune precauzioni PosizionamentoCollegamento alla rete e controlli Collegamenti per i segnali in ingressoIngresso in corrente alternata Interruttore 1 e spia di accensioneConfigurazione mono a ponte Collegamento dei diffusoriRicerca dei guasti Contenido Español Acerca de RotelPara Empezar Algunas PrecaucionesAlimentación y Control Conexión de la Señal de EntradaToma de Corriente Eléctrica Circuitería de ProtecciónConexión de las Cajas Acústicas Funcionamiento en Modo Monofónico PuenteadoProblemas y Posibles Soluciones Specifications Technische DatenFiche technique CaratteristicheRB-981

RB-981 specifications

The Rotel RB-981 is a powerful stereo power amplifier that has carved a niche among audiophiles and music enthusiasts since its launch. Known for its combination of solid performance, high build quality, and innovative technology, the RB-981 offers a multitude of features that enhance audio reproduction.

One of the standout characteristics of the RB-981 is its robust output capability. With a power rating of 130 watts per channel at 8 ohms, this amplifier can drive a wide range of speakers with ease, ensuring that dynamic musical passages are delivered with clarity and authority. The dual-mono design further enhances its performance by allowing each channel to operate independently, which minimizes crosstalk and distortion for a more immersive listening experience.

The RB-981 utilizes Rotel's proprietary Class AB amplification technology. This design strikes a perfect balance between the efficiency of Class D and the sound quality typical of Class A amplifiers. The result is a rich, warm sound with excellent detail retrieval across the frequency spectrum. Whether reproducing delicate acoustic instruments or powerful orchestral arrangements, the RB-981 maintains composure and provides a listening experience that is both engaging and satisfying.

Another notable feature of the RB-981 is its high-current capability, which allows it to effectively handle low-impedance loads and dynamic musical transients. This characteristic is crucial for maintaining stability during peaks in performance, ensuring that the audio remains clean and undistorted.

In terms of build quality, the RB-981 is solidly constructed with a chassis designed to minimize resonance and vibration. The amplifier also features extensive internal shielding to protect against electromagnetic interference, further enhancing the sound quality. The hefty transformer and high-quality capacitors ensure that the amplifier has the necessary headroom for demanding audio signals.

For connectivity, the RB-981 offers balanced XLR and unbalanced RCA inputs, allowing versatile integration into various audio setups. This modularity ensures that it can be seamlessly paired with a range of preamplifiers and audio sources.

In summary, the Rotel RB-981 is an impressive power amplifier that successfully combines power, precision, and versatility. Its robust construction, advanced technologies, and high-fidelity sound make it an excellent choice for anyone looking to elevate their audio experience. Whether you're a casual listener or a dedicated audiophile, the RB-981 stands as a testament to Rotel's commitment to performance and quality in audio equipment.