Indledning
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 amplifier for at sikre optimal ydeevne og lang levetid.

Front view of the Marantz PM-25 Stereo Ampløfter, showcasing its controls including Bass, Treble, Volume, Input Selector, and Power button. The unit features a black finish with gold lettering.
Opsætning
Udpakning og placering
- Fjern forsigtigt ampfjerner fra emballagen.
- Placer ampPlacer apparatet på en stabil, plan overflade med tilstrækkelig ventilation. Undgå at placere det i nærheden af varmekilder eller i direkte sollys.
- Sørg for, at der er tilstrækkelig plads omkring enheden til korrekt luftstrøm.
Tilslutning af højttalere
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 amplivligere.
- Connect the negative (-) terminal of your speaker to the negative (-) speaker output terminal on the amplivligere.
- Sørg for, at alle forbindelser er sikre for at forhindre kortslutninger.
Tilslutning af lydkilder
De amplifier provides multiple input options:
- Phono: For connecting a turntable.
- CD: For connecting a CD player.
- Tuner: 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 amplivligere.
Strømtilslutning
Når alle lyd- og højttalertilslutninger er foretaget, skal du tilslutte strømkablet til ampog derefter til en passende stikkontakt.
Betjeningsvejledning
Kontrol på frontpanelet
- Power knap: Located on the front left, press to turn the amplivligere til eller fra.
- Telefoner Jack: A 3.5 mm jack for connecting headphones. When headphones are connected, speaker output is typically muted.
- Baskontrol: Adjusts the low-frequency response. Turn clockwise to increase bass, counter-clockwise to decrease.
- Diskantkontrol: Adjusts the high-frequency response. Turn clockwise to increase treble, counter-clockwise to decrease.
- Tone Control: 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.
- Vælgerknap: Used to select the desired audio input source (Phono, CD, Tuner, TV/AUX, DAT/Tape).
- Lydstyrkeknap: Adjusts the overall output volume level. Turn clockwise to increase volume, counter-clockwise to decrease.
- Balanceknap: 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
- Sørg for, at alle forbindelser er sikre.
- Turn the Volume knob to its minimum setting.
- Tryk på Magt knappen for at tænde for amplivligere.
- Brug Vælger knob to choose your desired audio source (e.g., CD, Tuner).
- Start playback on your selected audio source.
- Drej langsomt Bind knob clockwise to achieve the desired listening level.
- Tilpasse Bas, Diskant, og Balance as needed for your preferred sound.
Opretholdelse
Rensning
- Tag netledningen ud før rengøring.
- Tør de udvendige overflader af med en blød, tør klud.
- Til genstridige mærker, brug en let damp cloth with a mild, non-abrasive cleaner, then wipe dry immediately.
- Brug ikke skrappe kemikalier, opløsningsmidler eller slibende rengøringssvampe.
Ventilation
Sørg for, at ventilationsåbningerne på amplifier are not blocked. Proper airflow is crucial to prevent overheating and ensure long-term reliability.
Opbevaring
Hvis du opbevarer 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.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Netledning ikke tilsluttet; Stikkontakt defekt; AmpSikringen er sprunget. | Check power cord connection; Try a different outlet; Consult a qualified technician for fuse replacement. |
| Ingen lyd | 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. |
| Forvrænget lyd | Volume too high; Speaker impedance mismatch; Damaged speaker cables. | Reduce Volume; Ensure speakers match amplifier impedance; Inspect and replace damaged cables. |
| Brummende eller summende lyd | Ground loop; Loose connections; Interference from other electronics. | Ensure proper grounding; Check all cable connections; Move ampfjernbetjeningen væk fra andre elektroniske enheder. |
If the problem persists after attempting these solutions, please contact Marantz customer support or a qualified service technician.
Specifikationer
- Model: PM-25
- Mærke: Marantz
- Varens vægt: 8 kilo
- Forbindelse teknologi: Hjælpe
- Controller type: Tryk knap
- Kompatible enheder: Televisions, Speakers
- Connector Type: 3.5 mm Jack (for headphones)
- Lydudgangstilstand: Stereoanlæg
- Surround Sound Kanalkonfiguration: 2.0
- Farve: Sort
- Antal kanaler: 2
- Lydudgangstilstand: Hovedtelefoner, højttalere
- Indtastningsmuligheder: Phono, CD, Tuner, TV/AUX, DAT/Tape Monitor, DAT/Tape
Garanti og support
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 webwebsted. Gem din købsbevis til garantikrav.
Marantz Officiel Webwebsted: www.marantz.com





