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• Restart the T20 and then try to connect again, try to use another
Bluetooth device.
5: Why Bluetooth is intermittent?
• Please try with another Bluetooth device.
• Make sure there is no interference from other electronic devices
between the T20 and the audio source.
• Place your device close to the T20, and plug in the power adapter
again.
6: How much power does it take in standby mode? Can
this amp be left on all the time?
• This is the class D amplifier, it will cost very low power when it is
in standby mode. It can be connected all the time and it is safe
without power consumption.
7: Sound quality is not good?
• Make sure all the cables are fully connected.
• Adjust the treble and bass control of the power amplifier to
achieve the right tone.
• Please try to change the sound source and cables to test.
• Please check if the vacuum tube is broken or completely plugged
in.
8: Can T20 accept signal from a Bluetooth microphone?
• Please make sure your Bluetooth microphone must be the
transmitter. Because T20 is a Bluetooth receiver amplifier.
• Please make sure that microphone's Bluetooth can be connected
to the T20's Bluetooth by your operation.
9: Why does the sound cut in and out?
• Please try to change the sound source.
• Lower the treble and bass of the T20.
• Make sure that the positive and negative terminals of the speaker
outputs do not touch each other. Some of the larger banana plugs
can easily touch each other and cause a short circuit
10: Can I bridge channel 1 and channel 2 to get 100watts?
• No, this amplifier can't be bridged.
11: Why does distortion occur?
• Because the vacuum tubes amplify the sound. If you turn the
sound up too loud, distortion may occur. Please try turning the
volume down a little.
12: Can I replace the vacuum tubes?
• If necessary, there are substitutions: EF95, 6AK5, 6AK5W,
403A/403B, 6J1, 6J1P, 6J2, 6J3, 6J4, 6J5 vacuum tubes, etc. You
can replace the vacuum tubes to DIY your stereo system.
Note: Please must remember switch off the power BEFORE you
pull out the tube, or it might damage the device.
13: Why the T20 came with a broken vacuum tube?
• Due to the long-distance, the vacuum tube may be damaged
during transportation. If you find that the vacuum tube is broken
or there is other problems, please contact our email, and we will
replace the vacuum tube for you.
14: Can headphones and speakers play at the same time?
• No, when the headphones plug in, the speakers' output will be
interrupted.
Output priority:
3.5mm Headphone Output > Speaker Output
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