Nobsound DA7 Tube Power Bluetooth AmpManual Pamaké lifier

1. Bubuka

The Nobsound DA7 Tube Power Bluetooth Amplifier is designed to deliver high-fidelity audio with a classic tube sound. This integrated amplifier features a full tube path, multiple input options including Bluetooth and USB, and dual VU meters for real-time audio visualization. It is suitable for driving passive bookshelf speakers and offers a headphone output for personal listening.

2. Naon dina Box

• DA7 Tube Amppanguat × 1
• Kabel Listrik × 1
• Bluetooth Antenna ×1

3. Produk Langkungview

3.1 Kontrol Panel hareup jeung Indikator

• Tombol Daya: Hurungkeun unit / pareum.
• Méter VU: Two responsive analog meters visualize output swing in real time.
• Kontrol USB: Buttons for previous song, play/pause, and next song when using USB input.
• Pamilih Input: Knob to switch between input sources (CD, AUX, BT, OPT, COAX, USB).
• Jilid Kenop: Adjusts the master volume. Also integrates power on/off (long press) and mode-switching (short press).
• Jack Headphone (3.5mm): Pikeun nyambungkeun headphone.
• Kenop Bass/Treble: Adjusts bass and treble gain. Detented at the center for original sound color.

3.2 Sambungan Panel Rear

• CD Input (RCA): For connecting CD players or other analog sources.
• Input AUX (RCA): For connecting auxiliary analog sources.
• PRE Out (3.5mm): For connecting an active subwoofer or active speakers.
• USB Input (USB-A): Supports U-disk playback (up to 128G, FAT32/ExFAT, MP3/WMA/APE/FLAC/AAC/WAV).
• Port Antena Bluetooth: Pikeun masang anteneu Bluetooth anu kalebet.
• Optical Input (OPT): Input audio digital.
• Coaxial Input (COA): Input audio digital.
• Kaluaran Speaker (L/R): Gold-plated copper terminals for connecting 4/8Ω passive speakers (supports spade connectors and bare wires).
• AC IN (110V): Power input for the included power cord.

Note: The headphone output and passive speaker outputs cannot operate simultaneously. If both are connected, headphones will take priority.

3.3 Tube Information

The DA7 comes equipped with 4×6P1 power tubes and 3×6N1 driver tubes. These tubes are responsible for the amplifier's warm, natural timbre and rich dynamics. The tubes are designed for longevity, but can be replaced if needed. Protective covers are provided to safeguard the tubes and prevent accidental burns.

4. Parentah Setup

4.1 Nyambungkeun Speaker

1. Pastikeun amplifier dipareuman.
2. Sambungkeun speaker pasip anjeun ka Speaker Outputs (L/R) terminals on the rear panel using appropriate speaker wire or spade connectors. Ensure correct polarity (+ to + and - to -).

4.2 Nyambungkeun Sumber Audio

1. Bluetooth: Attach the Bluetooth antenna to its designated port on the rear panel.
2. USB: Selapkeun USB flash drive kana USB Input (USB-A) palabuhan.
3. RCA: Connect your audio source (e.g., CD player, PC, TV) to the CD Input (RCA) or AUX Input (RCA) ngagunakeun kabel RCA.
4. Optik/Coaxial: Connect your digital audio source to the Optical Input (OPT) or Coaxial Input (COA) using the respective cables.

4.3 Connecting a Subwoofer/Active Speakers

1. Connect an active subwoofer or active speakers to the PRE Out (3.5mm) port on the rear panel using a 3.5mm to RCA cable.

4.4 Sambungan Daya

1. Connect the included power cord to the AC IN (110V) port on the rear panel and then to a suitable power outlet.

5. Parentah Operasi

5.1 Powering on / Pareum

• Pencét panjang Jilid Kenop for approximately 3 seconds to power the amplifier on or off. The tubes will warm up for about 15 seconds after powering on.

5.2 Pamilihan Input

• Pencét pondok Jilid Kenop to cycle through available input sources (CD, AUX, BT, OPT, COAX, USB). The corresponding indicator light on the front panel will illuminate.

5.3 Volume Control

• Puterkeun Jilid Kenop searah jarum jam pikeun ningkatkeun volume sareng berlawanan arah jarum jam pikeun ngirangan volume.

5.4 Kontrol Nada

• Saluyukeun Knob Bass jeung Treble Knob to fine-tune the low and high frequencies according to your preference. The center detent position provides a flat, original sound.

5.5 Playback USB

• Iraha USB input is selected, use the Kontrol USB buttons to navigate tracks (previous/next) and play/pause playback from a connected USB flash drive.

5.6 Nyapasangkeun Bluetooth

• Pilih BT input. The Bluetooth indicator will blink, indicating pairing mode.
• On your device (phone, tablet, PC), search for

  Dokumén Patali - DA7

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