Marantz Modelo 50 Estéreo Analógico Puro Integrado AmpLifier User Manual

Introdução

The Marantz Model 50 is a pure analog stereo integrated amplifier designed for discerning audio enthusiasts. It delivers 70 watts per channel of Marantz current feedback power, utilizing HDAM SA-3 circuitry to drive loudspeakers with precision and control. This amplifier features six analog inputs, including a high-quality MM Phono stage, making it suitable for various stereo system configurations. This manual provides essential information for the proper setup, operation, and maintenance of your Model 50 ampmais vivo.

Principais características

• High-Power Class A/B Ampmais vital: Designed to maximize the potential of your loudspeakers with 70 watts per channel.
• Fully Discrete HDAM Technology: Marantz's proprietary Hyper Dynamic Amplifier Modules (HDAM) SA-3 circuitry ensures clarity, warmth, and three-dimensionality in audio reproduction.
• Built-in Marantz Musical Phono EQ: Compatible with Moving Magnet (MM) turntables, eliminating the need for external phono preamplificadores.
• Conectividade versátil: Features six analog inputs, support for two speaker pairs, and outputs for external amplifiers and a subwoofer.
• Pure Analog Design: The absence of digital audio circuitry ensures intuitive operation and minimizes potential interference.
• Pré Estéreoamp Fora: Allows for connection to external power amplifiers, leveraging the Model 50's discrete HDAM design.
• Saída do subwoofer: Dedicated RCA output for connecting a powered subwoofer to enhance bass response.

Configuração e conexões

Before connecting any components, ensure the ampO amplificador está desligado e desconectado da tomada.

Controles do painel frontal

Imagem: Frente view of the Marantz Model 50 integrated ampamplificador, showcasing its silver/gold finish. Key controls visible include the power button, input selector knob, speaker selector knob (A/B), bass and treble tone controls, balance knob, and a large volume knob. A central circular display shows the selected input and volume level. A headphone jack is located on the right side.

• Botão liga/desliga (⑁): Transforma o amplifier ligado ou desligado.
• Seletor de entrada: Rotates to select the desired audio source (e.g., CD, Tuner, Phono).
• Speaker Selector (A/B): Selects speaker output A, B, or A+B. Ensure speakers are connected correctly to the corresponding terminals on the rear panel.
• Controles de graves/agudos: Ajusta a resposta de baixa e alta frequência.
• Controle de equilíbrio: Ajusta o volume relativo entre os canais esquerdo e direito.
• Controle de volume: Ajusta o volume de saída geral.
• Plug do fone de ouvido: Para conectar fones de ouvido estéreo.

Conexões do painel traseiro

Imagem: Traseira view of the Marantz Model 50 integrated amplifier, displaying its comprehensive array of input and output terminals. From left to right, connections include a signal ground terminal, Phono input (RCA L/R), multiple Audio In (CD, Tuner, Line 1, Line 2, Recorder) RCA pairs, Audio Out (Recorder) RCA pair, Pre Out (RCA L/R), Subwoofer Out (RCA), Power Amp In (RCA L/R), two sets of speaker terminals (A and B) for left and right channels, remote control input/output jacks, and the AC power inlet.

• SIGNAL GND: Ground terminal for turntables.
• Entrada PHONO (MM): Connect your turntable here. Ensure your turntable has a Moving Magnet (MM) cartridge.
• AUDIO IN (CD, TUNER, LINE 1, LINE 2, RECORDER): Connect various analog audio sources using RCA cables.
• AUDIO OUT (RECORDER): Conecte à entrada de um dispositivo de gravação.
• PRE SAÍDA: Conecte a uma alimentação externa amplifier or active subwoofer if you wish to bypass the internal power ampmais vivo.
• SAÍDA DO SUBWOOFER: Connect to the LFE input of a powered subwoofer.
• PODER AMP EM: Allows connection of an external preamplifier or processor, bypassing the Model 50's internal preampseção mais vital.
• SPEAKER TERMINALS (A & B): Connect your loudspeakers. The Model 50 supports two pairs of speakers (A and B) and bi-wiring. Observe correct polarity (+ to + and - to -).
  • Impedance A or B: 8Ω ~ 16Ω
  • Impedance A and B: 8Ω ~ 16Ω
  • Bi-wiring: 4Ω ~ 16Ω
• REMOTE CONTROL (IN/OUT): For connecting to other Marantz components for synchronized remote operation.
• AC ENTRADA: Conecte o cabo de alimentação fornecido aqui.

Instruções de operação

1. Ligar/desligar: Press the power button on the front panel or the remote control to turn the unit on or off.
2. Selecione Entrada: Rotate the Input selector knob on the front panel or use the input selection buttons on the remote control to choose your desired audio source (e.g., CD, Phono).
3. Ajustar volume: Rotate the large Volume knob on the front panel or use the volume up/down buttons on the remote control to set the listening level.
4. Selecione alto-falantes: Use the Speaker selector knob to choose between Speaker A, Speaker B, or both (A+B). Ensure your speakers are connected to the corresponding terminals.
5. Controle de Tom: Adjust the Bass and Treble knobs to fine-tune the sound to your preference. For a pure, uncolored sound, set these controls to their center (flat) position.
6. Ajuste de equilíbrio: Use the Balance knob to adjust the left/right channel balance. Set to the center for equal output.
7. Uso de fone de ouvido: Plug headphones into the front panel headphone jack. This will typically mute the main speaker outputs.

Manutenção

• Limpeza: Disconnect the power cord before cleaning. Use a soft, dry cloth to wipe the exterior surfaces. Avoid using abrasive cleaners, solvents, or chemical sprays, as they may damage the finish.
• Ventilação: Garanta ventilação adequada ao redor do amplifier. Do not block ventilation openings. Avoid placing the unit in an enclosed cabinet without proper airflow.
• Colocação: Coloque o amplifier on a stable, level surface away from direct sunlight, heat sources, and excessive moisture.
• Cabo de alimentação: Handle the power cord carefully. Do not pull on the cord to unplug it; grasp the plug firmly.

Solução de problemas

If you experience issues with your Marantz Model 50, refer to the following common troubleshooting steps:

• Sem energia:
  • Verifique se o cabo de alimentação está firmemente conectado a ambas as tomadas. amplifier e a tomada AC.
  • Verify that the AC outlet is functioning by plugging in another device.
  • Ensure the power button on the amplifier is pressed.
• Sem som:
  • Confirm that the correct input source is selected.
  • Verifique se as conexões das caixas de som estão com a polaridade correta e se estão firmemente encaixadas.
  • Ensure the Speaker A/B selector is set to the connected speakers.
  • Aumente o nível de volume.
  • If using headphones, ensure they are fully inserted and try removing them to check speaker output.
  • Verify that all audio cables are securely connected between the source component and the ampmais vivo.
• Som distorcido:
  • Reduza o nível de volume.
  • Check speaker impedance compatibility with the ampmais vivo.
  • Inspecione os cabos de áudio para verificar se há danos ou conexões soltas.
  • Ensure tone controls (Bass/Treble) are not set to extreme levels.
• Zumbido ou ruído:
  • Ensure all ground connections are secure, especially for turntables (SIGNAL GND).
  • Tente mover o amplifier or source components away from other electronic devices that may cause interference.
  • Verifique se há conexões de cabo soltas.

If the issue persists after performing these checks, consult a qualified service technician.

Especificações

Garantia e Suporte

The Marantz Model 50 Pure Analog Stereo Integrated AmpO lificador vem com um Garantia de cinco anos. For warranty claims or technical support, please contact Marantz customer service or visit the official Marantz webGuarde seu comprovante de compra para validação da garantia.

For additional information and support, please refer to the official Marantz website or contact your authorized Marantz dealer.