Introducció
The Marantz PM-25 is a powerful and high-fidelity stereo amplifier designed to deliver exceptional audio performance. This manual provides essential information for setting up, operating, and maintaining your PM-25 amplificador per garantir un rendiment i una longevitat òptims.
Davant view of the Marantz PM-25 Stereo Ampvidador, espectacleasing its controls including Bass, Treble, Volume, Input Selector, and Power button. The unit features a black finish with gold lettering.
Configuració
Desembalatge i col·locació
- Traieu amb cura amplifier from its packaging.
- Col·loca el amplifier on a stable, level surface with adequate ventilation. Avoid placing it near heat sources or in direct sunlight.
- Assegureu-vos que hi hagi prou espai al voltant de la unitat per a un flux d'aire adequat.
Connexió d'altaveus
The PM-25 supports connection for one pair of speakers.
- Connect the positive (+) terminal of your speaker to the positive (+) speaker output terminal on the ampmés viu.
- Connect the negative (-) terminal of your speaker to the negative (-) speaker output terminal on the ampmés viu.
- Assegureu-vos que totes les connexions estiguin ben fixades per evitar curtcircuits.
Connexió de fonts d'àudio
El amplifier provides multiple input options:
- Fono: For connecting a turntable.
- CD: For connecting a CD player.
- Sintonitzador: For connecting a radio tuner.
- TV/AUX: For connecting a television or other auxiliary audio devices.
- DAT/Tape Monitor: For connecting a DAT recorder or tape deck for recording and monitoring.
- DAT/Tape: For connecting a second DAT recorder or tape deck.
Use appropriate RCA cables to connect your audio sources to the corresponding input jacks on the rear panel of the ampmés viu.
Connexió d'alimentació
Once all audio and speaker connections are made, connect the power cord to the amplifier and then to a suitable AC power outlet.
Instruccions de funcionament
Controls del panell frontal
- Botó d'encesa: Located on the front left, press to turn the ampmés viu encès o apagat.
- Jack de telèfons: A 3.5 mm jack for connecting headphones. When headphones are connected, speaker output is typically muted.
- Control de baix: Adjusts the low-frequency response. Turn clockwise to increase bass, counter-clockwise to decrease.
- Control dels aguts: Adjusts the high-frequency response. Turn clockwise to increase treble, counter-clockwise to decrease.
- Control de tons: This section includes Bass and Treble controls.
- Tone Defeat Button: Bypasses the Bass and Treble tone control circuits for a flatter, more direct audio path. Press to activate/deactivate.
- Pom selector: Used to select the desired audio input source (Phono, CD, Tuner, TV/AUX, DAT/Tape).
- Pom de volum: Adjusts the overall output volume level. Turn clockwise to increase volume, counter-clockwise to decrease.
- Pom d'equilibri: Adjusts the relative volume between the left and right channels. Turn left to increase left channel volume, right to increase right channel volume.
- CD Direct Button: Provides a direct signal path from the CD input, bypassing certain processing circuits for purer audio quality.
- DAT/Tape Monitor Button: Engages the monitor function for the connected DAT or tape deck, allowing you to listen to the source being recorded.
Basic Operation Sequence
- Assegureu-vos que totes les connexions siguin segures.
- Turn the Volume knob to its minimum setting.
- Premeu el botó Poder botó per encendre el ampmés viu.
- Utilitza el Selector knob to choose your desired audio source (e.g., CD, Tuner).
- Start playback on your selected audio source.
- Slowly turn the Volum knob clockwise to achieve the desired listening level.
- Ajustar Baix, Aguts, i Balanç as needed for your preferred sound.
Manteniment
Neteja
- Desconnecteu el cable d'alimentació abans de netejar.
- Netegeu les superfícies exteriors amb un drap suau i sec.
- Per a marques difícils, utilitzeu una mica de damp cloth with a mild, non-abrasive cleaner, then wipe dry immediately.
- Do not use harsh chemicals, solvents, or abrasive cleaning pads.
Ventilació
Assegureu-vos que les obertures de ventilació de la amplifier are not blocked. Proper airflow is crucial to prevent overheating and ensure long-term reliability.
Emmagatzematge
Si emmagatzema el amplifier for an extended period, disconnect it from power, clean it, and store it in a cool, dry place away from direct sunlight and extreme temperatures.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cord not connected; Power outlet faulty; Ampfusible del lifter fundit. | Check power cord connection; Try a different outlet; Consult a qualified technician for fuse replacement. |
| Sense so | Incorrect input selected; Volume too low; Speaker cables disconnected/incorrectly wired; Headphones connected. | Select correct input with Selector knob; Increase Volume; Check speaker connections; Disconnect headphones. |
| So distorsionat | Volume too high; Speaker impedance mismatch; Damaged speaker cables. | Reduce Volume; Ensure speakers match amplifier impedance; Inspect and replace damaged cables. |
| Soroll de brunzit o brunzit | Ground loop; Loose connections; Interference from other electronics. | Ensure proper grounding; Check all cable connections; Move ampl'amplificador lluny d'altres dispositius electrònics. |
If the problem persists after attempting these solutions, please contact Marantz customer support or a qualified service technician.
Especificacions
- Model: PM-25
- Marca: Marantz
- Pes de l'article: 8 quilos
- Tecnologia de connectivitat: Auxiliar
- Tipus de controlador: Pulsador
- Dispositius compatibles: Televisions, Speakers
- Tipus de connector: 3.5 mm Jack (for headphones)
- Mode de sortida d'àudio: estèreo
- Configuració del canal de so envoltant: 2.0
- Color: Negre
- Nombre de canals: 2
- Mode de sortida d'àudio: Auriculars, altaveus
- Opcions d'entrada: Phono, CD, Tuner, TV/AUX, DAT/Tape Monitor, DAT/Tape
Garantia i Suport
For information regarding warranty coverage, service, or technical support for your Marantz PM-25 amplifier, please refer to the warranty card included with your product or visit the official Marantz weblloc web. Conserveu el comprovant de compra per a reclamacions de garantia.
Marantz Official Weblloc: www.marantz.com
