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

1. Pengenalan

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 amppembesar atau pembesar suara berkuasa.

• Kualiti Bunyi yang Dipertingkatkan: Utilizes GE5654 vacuum tubes for a warm and sweet audio output, with adjustable bass and treble controls.
• Dual Audio Inputs: 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.
• Optimized Circuitry: Features a power circuit separate from the audio circuit to minimize interference and ensure clear sound.
• Nota Penting: Ini adalah praamppenguat, bukan kuasa 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. Produk Lebihview

2.1. Kawalan Panel Hadapan

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

• Suis kuasa: Toggles the unit on/off.
• Penunjuk Kerja: Bercahaya apabila unit dihidupkan.
• Kawalan Bes: Melaraskan output audio frekuensi rendah.
• Kawalan Treble: Melaraskan output audio frekuensi tinggi.
• Kawalan Kelantangan: Adjusts the overall audio output level.

2.2. Sambungan Panel Belakang

Imej: Belakang 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 (Antena Bluetooth): Penyambung untuk antena Bluetooth.
• Select (Audio Input Switch): Button to switch between Bluetooth and AUX input modes.
• Input AUX: 3.5mm stereo input for wired audio sources.
• Audio Out (RCA L/R): RCA stereo outputs to connect to a power amppembesar atau pembesar suara berkuasa.
• DC 12V: Power input jack for the DC12V/1A power adapter.

2.3. Dimensi Produk

Imej: Atas ke bawah view of the AIYIMA GE5654 (TUBE-A3 Pro) with dimensions: 118mm (4.65in) length, 95mm (3.74in) width, 30mm (1.18in) height.

3. Arahan Persediaan

1. Buka bungkusan dan Periksa: Keluarkan pra dengan berhati-hatiamplifier and all accessories from the packaging. Ensure all components are present and undamaged.
2. Pasang Antena Bluetooth: Screw the provided Bluetooth antenna into the 'RF' connector on the rear panel. Ensure it is securely tightened for optimal signal reception.
3. Sambungkan Output Audio: Connect the RCA 'Audio Out' ports (L/R) on the rear panel of the preamplifier to the input ports of your power amppembesar atau pembesar suara berkuasa menggunakan kabel RCA yang sesuai.
4. Connect Audio Input (Choose One):
   • Input Bluetooth: Memastikan praamplifier 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'.
   • Input 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. Sambungkan Kuasa: 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. Hidupkan kuasa: Flip the 'Power' switch on the front panel to the ON position. The working indicator will light up.

Sediakan Video Demonstrasi

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. Arahan Operasi

1. Hidupkan/Mati Kuasa: Use the 'Power' switch on the front panel to turn the unit on or off.
2. Pilih Input: 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. Laraskan Kelantangan: Rotate the 'Volume' knob on the front panel to increase or decrease the audio output level.
4. Laraskan Nada: 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. Penggantian Tiub

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. Matikan dan Putuskan Sambungan: 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. Insert New Tubes: 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. Sahkan Tempat Duduk: 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) preamplebih hidup.

6. Penyelenggaraan

• Pastikan unit bersih dengan mengelapnya dengan kain lembut dan kering.
• Elakkan menggunakan bahan kimia yang keras atau pembersih yang kasar.
• Pastikan pengudaraan yang betul di sekeliling unit untuk mengelakkan terlalu panas.
• Protect the unit from moisture, direct sunlight, and extreme temperatures.

7. Penyelesaian masalah

• Tiada Bunyi:
  • 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.
  • Pastikan mod input yang betul (Bluetooth atau AUX) dipilih.
  • 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.
• Bunyi Herot:
  • Reduce the volume level on both the preamplifier dan sumber audio anda.
  • Ensure your audio source is providing a clean signal. A noisy source will be ampdihidupkan oleh praamplebih hidup.
  • Adjust bass and treble controls to a neutral position or to your preference.
  • Verify that the power supply is DC12V/1A and not exceeding 12V.
• Isu Sambungan Bluetooth:
  • Ensure the Bluetooth antenna is securely installed.
  • Sahkan praamplifier is in Bluetooth input mode (purple indicator light).
  • Make sure your audio source device's Bluetooth is enabled and within range.
  • Cuba nyahgandingkan dan pasangkan semula peranti.
• Unit Tidak Dihidupkan:
  • Check the power adapter and wall outlet.
  • Ensure the power switch is fully in the ON position.

8. Spesifikasi

9. Waranti dan Sokongan

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.