Introduction
This manual provides detailed instructions for the AIYIMA Tube T6 PRO, a versatile Bluetooth 5.0 tube preamplifier designed for high-fidelity audio. It functions as a headphone amplifier, vacuum tube preamp, wireless receiver, and audio decoder with PC-USB DAC capabilities, enhancing your audio experience across various devices.
The AIYIMA Tube T6 PRO preamplifier, showcasing its compact design and vacuum tubes.
Key Features
- Multiple Audio Input Methods: Supports Bluetooth 5.0, PC-USB, and RCA inputs from various devices like iPod, Phone, MP3, TV, DVD players, laptops, desktop computers, or other streaming media players.
- Headphone Preamplifier Functionality: Can be used as a headphone tube preamplifier, allowing enjoyment of high-quality lossless music.
- Versatile Audio Outputs: Features RCA and 3.5mm headphone outputs (3.5mm has priority). RCA output connects to powered speakers, amplifiers, and passive speakers. Headphone output is suitable for 16~300Ω headphones and headsets.
- Advanced Bluetooth Connectivity: Equipped with QCC3008 Bluetooth 5.0, supporting APT-X and APT-X LL lossless transmission for faster and stable signal delivery, ensuring HiFi sound quality.
- Tube Vacuum Design: Adopts a 6Ж1п-EB tube vacuum design for easy replacement (compatible with 6J1, 6J2, 6AK5, 6AK5W, 6F31, 6BA6, 6K4п, GE5654, etc.), providing a warm, retro tube sound.
- Tone Control: Includes independent gain adjustment for treble and bass, allowing for personalized sound tuning.
Package Contents
The following items are included in your AIYIMA Tube T6 PRO package:
- 1 x TUBE T6 PRO Preamplifier
- 2 x 6Ж1п-EB Tubes
- 1 x Antenna
- 1 x User Manual
- 1 x PC-USB Cable
- 1 x DC 12V Power Adapter
This image displays all components included in the product package, ensuring you have everything needed for setup.
Product Overview and Connections
Familiarize yourself with the front and rear panels of the AIYIMA Tube T6 PRO for proper operation and connectivity.
Front Panel
The front panel features controls for input selection, volume, bass, and treble, along with a 3.5mm headphone output. The working indicator shows the current input mode (red for AUX/PC-USB, blue for Bluetooth).
Rear Panel
The rear panel provides various input and output options including Bluetooth antenna connection, PC-USB, RCA input for audio sources, RCA output for external amplifiers or powered speakers, and the DC 12V power input.
Setup Instructions
- Tube Installation: Gently insert the two 6Ж1п-EB vacuum tubes into their respective sockets on the top panel. Ensure they are seated firmly.
- Antenna Connection: Screw the provided Bluetooth antenna into the "RF" connector on the rear panel.
- Power Connection: Connect the DC 12V power adapter to the "DC 12V" input on the rear panel, then plug the adapter into a power outlet.
- Audio Output Connection:
- For headphones: Connect your headphones to the 3.5mm headphone output on the front panel.
- For external speakers/amplifier: Connect the "AUDIO OUT" RCA jacks on the rear panel to your powered speakers or amplifier's input.
Operating Modes
The AIYIMA Tube T6 PRO supports multiple audio input modes. Use the input select switch on the front panel to choose your desired mode.
PC-USB Mode
Connect your computer to the "PC-USB" input on the rear panel using the supplied PC-USB cable. Toggle the input select switch to "USB". The working indicator will illuminate red. Adjust volume, bass, and treble as desired.
AUX Mode (RCA Input)
Connect an audio source (e.g., CD player, TV, MP3 player) to the "AUDIO IN" RCA jacks on the rear panel. Toggle the input select switch to "AUX". The working indicator will illuminate red. Adjust volume, bass, and treble as desired.
Bluetooth Mode
Toggle the input select switch to "BT". The working indicator will flash blue, indicating pairing mode. On your device (phone, tablet), enable Bluetooth and select "BT HIFI AUDIO" from the list of available devices. Once connected, the indicator will show a solid blue light. Adjust volume, bass, and treble as desired.
Note: When the 3.5mm headphone output and AUX output are connected simultaneously, only the 3.5mm headphone output will function.
This video demonstrates the connection and operation of the AIYIMA Tube T6 PRO in PC-USB, AUX, and Bluetooth modes, including headphone output functionality.
Technical Specifications
| Item Dimensions (L x W x H) | 5.12 x 5.04 x 1.18 inches |
| Voltage | 12 Volts |
| Maximum Supply Voltage | 12 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
| Mounting Type | Freestanding |
| Number of Channels | 2 |
| Output Power | 160 Milliwatts |
| Model | TUBE-T6 PRO |
| Item Weight | 550 Grams |
Troubleshooting
- No Sound:
- Check all cable connections (power, audio input, audio output).
- Ensure the correct input mode is selected on the preamplifier.
- Verify the volume is turned up on both the preamplifier and the connected audio source/speakers.
- If using PC-USB, ensure the correct audio output device is selected in your computer's sound settings.
- If using Bluetooth, ensure the device is paired and connected, and the volume is up.
- Distorted Sound:
- Reduce the volume on the audio source or the preamplifier.
- Check for loose or damaged cables.
- Ensure the tubes are properly seated.
- If using headphones, verify they are within the 16~300Ω impedance range.
- Bluetooth Pairing Issues:
- Ensure the preamplifier is in Bluetooth mode (blue flashing indicator).
- Turn off and on Bluetooth on your source device.
- Move the source device closer to the preamplifier.
- Remove "BT HIFI AUDIO" from your device's paired list and try pairing again.
- Ensure the Bluetooth antenna is securely attached.
- Hissing/Noise:
- Check for interference from other electronic devices.
- Ensure all connections are secure.
- Try using a different power outlet.
- If the issue persists, it might indicate a component issue; contact support.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid using liquid cleaners or solvents.
- Tube Care: Handle vacuum tubes carefully. If replacing, ensure the unit is powered off and unplugged. Allow tubes to cool before handling.
- Ventilation: Ensure the unit has adequate ventilation to prevent overheating. Do not block the ventilation holes.
- Storage: When not in use for extended periods, store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
Warranty and Support
Warranty Description: When you receive the product, please keep the original packaging and accessories intact. If you have any questions, please feel free to consult.
For further assistance or warranty claims, please contact AIYIMA customer support through your purchase platform or the official AIYIMA website.