Nobsound HiFi 6P6P Vacuum Tube Push-Pull Amplifier (Model DJ585) Instruction Manual

1. Introduzione

The Nobsound HiFi 6P6P Vacuum Tube Push-Pull Amplifier is designed to provide a high-fidelity audio experience. This amplifier utilizes four 6P6P vacuum tubes in a push-pull configuration, combined with an OPA2604 driver stage, to effectively filter digital sound from audio sources. This design significantly reduces background noise and enhances dynamic performance, delivering a harmonious, warm, detailed, and smooth sound characteristic of vacuum tube amplifiers. It is suitable for driving common bookshelf speakers and high-sensitivity floor-standing speakers.

2. Istruzioni di sicurezza

• Alimentazione elettrica: Assicurare il amplifier is connected to a power outlet with the correct voltage as specified on the device. Use only the provided power cord.
• Ventilazione: Posizionare il amplifier in a well-ventilated area. Do not block ventilation openings. Maintain adequate space around the unit for proper airflow to prevent overheating, especially due to the heat generated by vacuum tubes.
• Umidità: Non esporre il amplifier to rain, moisture, or excessive humidity. Avoid placing liquids near the unit.
• Calore: Mantieni il amplifier away from direct sunlight, radiators, heat registers, stoves, or other heat-producing appliances. Vacuum tubes operate at high temperatures; avoid touching them during operation or immediately after shutdown.
• Oggetti estranei: Do not insert any objects into the openings of the amplifier. This could cause electric shock or damage.
• Manutenzione: Non tentare di riparare questo prodotto da soli. Affidare qualsiasi intervento di assistenza a personale qualificato. L'apertura dell'unità potrebbe esporre a tensioni pericolose.tago altri pericoli.
• Movimentazione dei tubi: Handle vacuum tubes with care. Ensure they are properly seated in their sockets before powering on the unit.
• Messa a terra: Garantire una messa a terra adeguata per evitare rischi elettrici.

3. Contenuto della confezione

Si prega di controllare la confezione per verificare la presenza dei seguenti elementi:

• Principale Amplifier Unit * 1
• 6P6P Vacuum Tubes * 4
• Cavo di alimentazione * 1

4. Caratteristiche del prodotto

• Advanced Audio Filtering: IL amplifier uses four 6P6P vacuum tubes in a push-pull configuration with an OPA2604 driver stage. This design effectively filters digital sound from common audio sources, significantly reducing background noise and improving dynamic performance.
• Ampia risposta in frequenza: Boasts a broad frequency response of 30-30kHz (-1dB), ensuring comprehensive coverage from rich low-mid frequencies to clear high frequencies.
• Elevata potenza in uscita: Features a push-pull circuit design providing a maximum output of 12W+12W, suitable for various speaker types.
• Optimized Power Supply and Transformers: Incorporates a self-developed high-frequency power supply and high-quality Japanese Z11 output transformers to enhance performance and ensure system stability. It is equipped with a standard ICE socket.
• Progettazione artistica: Crafted with natural walnut and rosewood materials, featuring red decorative accents that create a unique artistic aesthetic. The front panel includes a volume knob and a power indicator lamp.
• Interfaccia intuitiva: Equipped with RCA audio inputs and banana speaker audio outputs for convenient connectivity. Includes 2A fuse protection for safety.

5. Impostazione

5.1 Disimballaggio e ispezione

1. Rimuovere con attenzione il file amplificatore e tutti gli accessori dalla confezione.
2. Inspect all components for any signs of damage during transit. If any damage is found, contact your retailer immediately.

5.2 Installazione del tubo

The 6P6P vacuum tubes may be shipped separately to prevent damage. Install them as follows:

1. Identify the four tube sockets on the top panel of the amppiù vivace.
2. Carefully align the pins of each 6P6P vacuum tube with the corresponding holes in the socket. The tubes are keyed, so they will only fit in one orientation.
3. Spingere delicatamente ciascun tubo verso il basso nel suo alloggiamento fino a quando non è saldamente in posizione. Non forzare i tubi.

5.3 Connecting Audio Sources (RCA Input)

Connect your audio source (e.g., CD player, DAC, phone, tablet, TV set-top box, computer) to the RCA input terminals on the rear panel of the amppiù vivace.

1. Use high-quality RCA cables.
2. Connect the left channel (white/L) output of your source device to the left RCA input of the amppiù vivace.
3. Connect the right channel (red/R) output of your source device to the right RCA input of the amppiù vivace.

5.4 Connecting Speakers (Banana Plug Output)

Connect your passive speakers to the banana plug output terminals on the rear panel. The amplifier supports both 4Ω and 8Ω speakers.

1. Assicurare il amplifier is turned off before connecting speakers.
2. Connect the positive (+) terminal of your left speaker to the corresponding positive terminal (4Ω or 8Ω, depending on your speaker's impedance) for the left channel on the amppiù vivace.
3. Connect the negative (-) terminal of your left speaker to the corresponding negative terminal (G) for the left channel on the amppiù vivace.
4. Repeat the process for the right speaker, connecting it to the right channel output terminals.
5. Assicurarsi che tutti i collegamenti siano ben saldi per evitare cortocircuiti.

5.5 Collegamento di alimentazione

1. Connect the provided power cord to the IEC power inlet on the rear panel of the amppiù vivace.
2. Collegare l'altra estremità del cavo di alimentazione a una presa a muro adatta.

6. Istruzioni per l'uso

6.1 Accensione/Spegnimento

1. Per accendere il amplifier, press the power switch located on the front panel. The power indicator lamp si illuminerà.
2. Allow a few moments for the vacuum tubes to warm up before expecting optimal sound. This warm-up period is normal for tube amplificatori.
3. To power off, press the power switch again. The indicator lamp si spegnerà.

6.2 Controllo del volume

Adjust the audio output level using the volume knob on the front panel. Turn clockwise to increase volume and counter-clockwise to decrease it.

7. Manutenzione

• Pulizia: Scollegare l'alimentazione prima di pulire. Utilizzare un panno morbido e asciutto per pulire l'esterno dell'apparecchio. amplificatore. Non utilizzare detergenti liquidi o materiali abrasivi.
• Ventilazione: Controllare regolarmente che le aperture di ventilazione siano libere da polvere e detriti. Assicurarsi che amplifier is always placed in an area with good airflow.
• Cura del tubo: Vacuum tubes have a finite lifespan. If you notice a degradation in sound quality or if a tube fails, it may need replacement. Consult qualified personnel for tube replacement to ensure correct type and installation.
• Sostituzione fusibile: IL amplifier is equipped with a 2A fuse. If the unit does not power on, check the fuse located near the power inlet on the rear panel. Replace it only with a fuse of the same type and rating.

8. Risoluzione Dei Problemi

9. Specifiche

10. Garanzia e supporto

For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact Nobsound customer support through your retailer or the official Nobsound website. Please have your model number (DJ585) and purchase details ready when contacting support.