Introducció
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 ampmés viu.
Característiques clau
- High-Power Class A/B Ampmés viu: 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 preampaixecadors.
- Connectivitat versàtil: 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.
- Estereo Preamp Sortida: Allows for connection to external power amplifiers, leveraging the Model 50's discrete HDAM design.
- Sortida del subwoofer: Dedicated RCA output for connecting a powered subwoofer to enhance bass response.
Configuració i connexions
Before connecting any components, ensure the amplifier is powered off and unplugged from the AC outlet.
Controls del panell frontal
Imatge: Frontal view of the Marantz Model 50 integrated ampvidador, espectacleasing 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.
- Botó d'engegada (⑁): Gira el ampmés viu encès o apagat.
- Selector d'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.
- Controls de greus/aguts: Ajusta la resposta de freqüència baixa i alta.
- Control d'equilibri: Ajusta el volum relatiu entre els canals esquerre i dret.
- Control de volum: Ajusta el volum de sortida general.
- Auriculars Jack: Per connectar auriculars estèreo.
Connexions del panell posterior
Imatge: Part posterior 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.
- PHONO (MM) Input: 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): Connect to the input of a recording device.
- PRE SORTIDA: Connecteu-vos a una alimentació externa amplifier or active subwoofer if you wish to bypass the internal power ampmés viu.
- SORTIDA DE SUBWOOFER: Connect to the LFE input of a powered subwoofer.
- PODER AMP EN: Allows connection of an external preamplifier or processor, bypassing the Model 50's internal preampsecció més viva.
- 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 IN: Connecteu aquí el cable d'alimentació subministrat.
Instruccions de funcionament
- Encès/apagat: Press the power button on the front panel or the remote control to turn the unit on or off.
- Seleccioneu l'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).
- Ajustar el volum: 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.
- Seleccioneu altaveus: 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.
- Control de tons: 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.
- Ajust del saldo: Use the Balance knob to adjust the left/right channel balance. Set to the center for equal output.
- Ús d'auriculars: Plug headphones into the front panel headphone jack. This will typically mute the main speaker outputs.
Manteniment
- Neteja: 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.
- Ventilació: Assegureu-vos una ventilació adequada al voltant amplifier. Do not block ventilation openings. Avoid placing the unit in an enclosed cabinet without proper airflow.
- Col·locació: Col·loca el amplifier on a stable, level surface away from direct sunlight, heat sources, and excessive moisture.
- Cable d'alimentació: Handle the power cord carefully. Do not pull on the cord to unplug it; grasp the plug firmly.
Resolució de problemes
If you experience issues with your Marantz Model 50, refer to the following common troubleshooting steps:
- Sense energia:
- Comproveu si el cable d'alimentació està connectat correctament a tots dos amplificador i la presa de corrent alterna.
- Verify that the AC outlet is functioning by plugging in another device.
- Ensure the power button on the amplifier is pressed.
- Sense so:
- Confirm that the correct input source is selected.
- Check speaker connections for proper polarity and secure attachment.
- Ensure the Speaker A/B selector is set to the connected speakers.
- Augmenta el nivell de volum.
- 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 ampmés viu.
- So distorsionat:
- Reduïu el nivell de volum.
- Comproveu la compatibilitat de la impedància dels altaveus amb el ampmés viu.
- Inspeccioneu els cables d'àudio per detectar danys o connexions soltes.
- Ensure tone controls (Bass/Treble) are not set to extreme levels.
- Brunzit o brunzit:
- Ensure all ground connections are secure, especially for turntables (SIGNAL GND).
- Intenta moure el amplifier or source components away from other electronic devices that may cause interference.
- Comproveu si hi ha connexions de cable soltes.
If the issue persists after performing these checks, consult a qualified service technician.
Especificacions
| Canals | 2 |
| Potència de sortida | 70 Watts per channel (Class A/B) |
| Topologia de comentaris actuals | Sí |
| Fono EQ | Marantz Musical (MM) |
| HDAM Version | SA2, SA3 |
| Entrades analògiques | 6 (including MM Phono) |
| Preamp Sortida | RCA estèreo |
| Sortida de subwoofer | RCA |
| Dimensions del producte (W x D x H) | 21 x 20 x 10 polzades (aproximat, basat en les dimensions del producte) |
| Pes de l'article | 35.5 lliures |
| Consum d'energia | 220W (as indicated on rear panel image) |
| Bateries per a control remot | 2 AAA batteries (not included with ampmés viu) |
Garantia i Suport
The Marantz Model 50 Pure Analog Stereo Integrated Amplifier ve amb a Garantia de cinc anys. For warranty claims or technical support, please contact Marantz customer service or visit the official Marantz weblloc web. Conserveu el comprovant de compra per validar la garantia.
For additional information and support, please refer to the official Marantz website or contact your authorized Marantz dealer.





