AIYIMA GE5654 Tube Preamplifier (TUBE-A3 Pro) User Manual

1. Introduzione

The AIYIMA GE5654 (TUBE-A3 Pro) is a compact and versatile tube preamplifier designed to enhance your home audio system. It features Bluetooth 5.0 connectivity and AUX input, along with independent treble and bass adjustments, allowing for a personalized audio experience. This device functions as a preamplifier and requires connection to a power amplificatore o altoparlanti amplificati.

• Qualità del suono migliorata: Utilizes GE5654 vacuum tubes for a warm and sweet audio output, with adjustable bass and treble controls.
• Doppi ingressi audio: Supports both Bluetooth 5.0 and AUX (3.5mm) audio input modes, switchable via a dedicated button.
• Replaceable Tubes: Designed for easy tube replacement, compatible with 6J1/6J2/6K4/GE5654/6AK5/6Ж1n tubes.
• Circuito ottimizzato: Features a power circuit separate from the audio circuit to minimize interference and ensure clear sound.
• Nota importante: Questo è un preamplificatore, non un potere amplifier. It must be connected to powered speakers or a separate power amplifier. It is not suitable for direct connection to passive speakers without an amplifier, nor for use with record players or phonographs without an appropriate phono preamp.

2. Prodotto finitoview

2.1. Controlli del pannello frontale

Immagine: Frontale view of the AIYIMA GE5654 (TUBE-A3 Pro) showing the power switch, working indicator, bass control, treble control, and volume control knobs.

• Interruttore di alimentazione: Attiva/disattiva l'unità.
• Indicatore di lavoro: Si illumina quando l'unità è accesa.
• Controllo dei bassi: Regola l'uscita audio a bassa frequenza.
• Controllo degli acuti: Regola l'uscita audio ad alta frequenza.
• Controllo del volume: Regola il livello di uscita audio complessivo.

2.2. Collegamenti del pannello posteriore

Immagine: Posteriore view of the AIYIMA GE5654 (TUBE-A3 Pro) showing the Bluetooth antenna connector, input selector, AUX input, RCA audio outputs, and DC 12V power input.

• RF (antenna Bluetooth): Connettore per l'antenna Bluetooth.
• Select (Audio Input Switch): Button to switch between Bluetooth and AUX input modes.
• Ingresso AUX: 3.5mm stereo input for wired audio sources.
• Uscita audio (RCA L/R): RCA stereo outputs to connect to a power amplificatore o altoparlanti amplificati.
• CC 12V: Power input jack for the DC12V/1A power adapter.

2.3. Dimensioni del prodotto

Immagine: dall'alto verso il basso view of the AIYIMA GE5654 (TUBE-A3 Pro) with dimensions: 118mm (4.65in) length, 95mm (3.74in) width, 30mm (1.18in) height.

3. Istruzioni per l'installazione

1. Disimballare e ispezionare: Rimuovere con attenzione il preamplifier and all accessories from the packaging. Ensure all components are present and undamaged.
2. Installa l'antenna Bluetooth: Screw the provided Bluetooth antenna into the 'RF' connector on the rear panel. Ensure it is securely tightened for optimal signal reception.
3. Collega l'uscita audio: Connect the RCA 'Audio Out' ports (L/R) on the rear panel of the preamplifier to the input ports of your power ampdiffusori acustici o amplificati utilizzando cavi RCA appropriati.
4. Connect Audio Input (Choose One):
   • Ingresso Bluetooth: Assicurare il preamplifier is in Bluetooth mode (indicated by a purple light, or red and blue flashing for search status). On your audio source device (e.g., smartphone, tablet), search for and connect to 'AIYIMA A3 Pro'.
   • Ingresso AUX: Connect your audio source (e.g., CD player, computer) to the 'AUX' 3.5mm input jack on the rear panel using a 3.5mm audio cable. Press the 'Select' button to switch to AUX input mode (indicated by a red light).
5. Connetti alimentazione: Connect the DC12V/1A power adapter to the 'DC 12V' input jack on the rear panel, then plug the adapter into a wall outlet. Caution: Do not use a power supply exceeding 12V.
6. Accensione: Flip the 'Power' switch on the front panel to the ON position. The working indicator will light up.

Video dimostrativo di installazione

Video: This video demonstrates the connection of the AIYIMA GE5654 (TUBE-A3 Pro) preamplifier to an AIYIMA A07 power amplifier and speakers, showcasing both AUX and Bluetooth input modes and the treble/bass adjustment.

4. Istruzioni per l'uso

1. Accensione/spegnimento: Use the 'Power' switch on the front panel to turn the unit on or off.
2. Seleziona ingresso: Press the 'Select' button on the rear panel to toggle between AUX and Bluetooth input modes. The working indicator light color will change to reflect the active input (Red for AUX, Purple for Bluetooth).
3. Regola volume: Rotate the 'Volume' knob on the front panel to increase or decrease the audio output level.
4. Regola tono: Use the 'Bass' and 'Treble' control knobs on the front panel to fine-tune the low and high frequencies according to your preference.

Image: The AIYIMA GE5654 (TUBE-A3 Pro) connected to a smartphone via Bluetooth and outputting to a speaker, demonstrating a typical usage scenario.

5. Sostituzione del tubo

The GE5654 (TUBE-A3 Pro) preamplifier allows for easy replacement of its vacuum tubes, offering flexibility for sound customization. Compatible tube models include 6J1, 6J2, 6K4, GE5654, 6AK5, and 6Ж1n.

1. Spegnimento e disconnessione: Before attempting to replace tubes, ensure the preamplifier is powered off and disconnected from the main power supply. Allow the unit to cool down completely.
2. Gently Remove Old Tubes: Carefully grasp the existing tube and pull it straight upwards from its socket. Avoid twisting or bending the tube pins.
3. Inserire nuovi tubi: Align the pins of the new tube with the holes in the socket. Gently push the tube straight down until it is firmly seated. Do not force it.
4. Verifica i posti a sedere: Ensure both tubes are properly seated in their sockets before reconnecting power.

Image: A hand demonstrating the process of replacing a vacuum tube on the AIYIMA GE5654 (TUBE-A3 Pro) preamppiù vivace.

6. Manutenzione

• Mantenere l'unità pulita pulendola con un panno morbido e asciutto.
• Evitare l'uso di prodotti chimici aggressivi o detergenti abrasivi.
• Garantire un'adeguata ventilazione intorno all'unità per evitare il surriscaldamento.
• Protect the unit from moisture, direct sunlight, and extreme temperatures.

7. Risoluzione Dei Problemi

• Nessun suono:
  • Check if the power adapter is correctly connected and the unit is powered on.
  • Verify all audio cables are securely connected to the correct input and output ports.
  • Assicurarsi che sia selezionata la modalità di input corretta (Bluetooth o AUX).
  • Confirm the volume knob is not set to minimum and the connected power amplifier/powered speakers are also powered on and at an audible volume.
  • Check if the vacuum tubes are properly seated in their sockets.
• Suono distorto:
  • Ridurre il livello del volume su entrambi i preamplificatoriamplifier e la sorgente audio.
  • Ensure your audio source is providing a clean signal. A noisy source will be amplificato dal preamppiù vivace.
  • Regola i controlli dei bassi e degli acuti su una posizione neutra o in base alle tue preferenze.
  • Verify that the power supply is DC12V/1A and not exceeding 12V.
• Problemi di connessione Bluetooth:
  • Ensure the Bluetooth antenna is securely installed.
  • Confermare il preamplifier is in Bluetooth input mode (purple indicator light).
  • Make sure your audio source device's Bluetooth is enabled and within range.
  • Prova a disaccoppiare e riassociare il dispositivo.
• L'unità non si accende:
  • Check the power adapter and wall outlet.
  • Ensure the power switch is fully in the ON position.

8. Specifiche

9. Garanzia e supporto

For warranty information and technical support, please refer to the documentation included with your purchase or contact AIYIMA customer service directly. Keep your purchase receipt for warranty claims.