pengenalan
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 amppelapis untuk memastikan prestasi optimum dan jangka hayat.

Depan view of the Marantz PM-25 Stereo Amppenguat, pertunjukancasing its controls including Bass, Treble, Volume, Input Selector, and Power button. The unit features a black finish with gold lettering.
Persediaan
Membongkar dan Meletakkan
- Buang dengan berhati-hati amppengalir daripada pembungkusannya.
- Letakkan amppengalir udara di atas permukaan yang stabil dan rata dengan pengudaraan yang mencukupi. Elakkan meletakkannya berhampiran sumber haba atau di bawah cahaya matahari langsung.
- Pastikan terdapat ruang yang mencukupi di sekeliling unit untuk aliran udara yang betul.
Pembesar Suara Penyambung
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 amplebih hidup.
- Connect the negative (-) terminal of your speaker to the negative (-) speaker output terminal on the amplebih hidup.
- Pastikan semua sambungan selamat untuk mengelakkan litar pintas.
Menyambungkan Sumber Audio
The amplifier provides multiple input options:
- Phono: Untuk menyambungkan meja putar.
- CD: For connecting a CD player.
- Penala: 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 amplebih hidup.
Sambungan Kuasa
Once all audio and speaker connections are made, connect the power cord to the amplifier and then to a suitable AC power outlet.
Arahan Operasi
Kawalan Panel Hadapan
- Butang Kuasa: Located on the front left, press to turn the amphidup atau mati.
- Jack Telefon: A 3.5 mm jack for connecting headphones. When headphones are connected, speaker output is typically muted.
- Kawalan Bes: Adjusts the low-frequency response. Turn clockwise to increase bass, counter-clockwise to decrease.
- Kawalan Treble: Adjusts the high-frequency response. Turn clockwise to increase treble, counter-clockwise to decrease.
- Kawalan Nada: 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.
- Tombol Pemilih: Used to select the desired audio input source (Phono, CD, Tuner, TV/AUX, DAT/Tape).
- Tombol Kelantangan: Adjusts the overall output volume level. Turn clockwise to increase volume, counter-clockwise to decrease.
- Tombol Imbangan: 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
- Pastikan semua sambungan selamat.
- Turn the Volume knob to its minimum setting.
- Tekan ke kuasa butang untuk menghidupkan amplebih hidup.
- Gunakan Pemilih knob to choose your desired audio source (e.g., CD, Tuner).
- Start playback on your selected audio source.
- Putar perlahan-lahan Kelantangan knob clockwise to achieve the desired listening level.
- Laraskan Bass, Treble, dan Baki as needed for your preferred sound.
Penyelenggaraan
Pembersihan
- Putuskan sambungan kord kuasa sebelum membersihkan.
- Lap permukaan luar dengan kain lembut dan kering.
- Untuk tanda degil, gunakan sedikit damp kain dengan pencuci yang lembut dan tidak kasar, kemudian lap sehingga kering dengan segera.
- Do not use harsh chemicals, solvents, or abrasive cleaning pads.
Pengudaraan
Pastikan bukaan pengudaraan pada amplifier are not blocked. Proper airflow is crucial to prevent overheating and ensure long-term reliability.
Penyimpanan
Jika menyimpan ampkipas untuk tempoh yang lama, cabut bekalan elektrik, bersihkannya dan simpan di tempat yang sejuk dan kering, jauh daripada cahaya matahari langsung dan suhu yang melampau.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Kord kuasa tidak disambungkan; Soket kuasa rosak; Ampfius lampu rosak. | Check power cord connection; Try a different outlet; Consult a qualified technician for fuse replacement. |
| Tiada bunyi | 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. |
| Bunyi herot | Volume too high; Speaker impedance mismatch; Damaged speaker cables. | Reduce Volume; Ensure speakers match amplifier impedance; Inspect and replace damaged cables. |
| Bunyi dengung atau berdengung | Ground loop; Loose connections; Interference from other electronics. | Ensure proper grounding; Check all cable connections; Move amppengalir jauh daripada peranti elektronik lain. |
If the problem persists after attempting these solutions, please contact Marantz customer support or a qualified service technician.
Spesifikasi
- model: PM-25
- Jenama: Marantz
- Berat Barang: 8 Kilogram
- Teknologi Ketersambungan: Bantu
- Jenis Pengawal: Butang Tekan
- Peranti Serasi: Televisions, Speakers
- Jenis Penyambung: 3.5 mm Jack (for headphones)
- Mod Output Audio: Stereo
- Konfigurasi Saluran Bunyi Sekeliling: 2.0
- warna: Hitam
- Bilangan Saluran: 2
- Mod Output Audio: Fon kepala, Pembesar Suara
- Pilihan Input: Phono, CD, Tuner, TV/AUX, DAT/Tape Monitor, DAT/Tape
Waranti dan Sokongan
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 webtapak. Simpan bukti pembelian anda untuk tuntutan waranti.
Marantz Official Webtapak: www.marantz.com





