AIYIMA T9 PRO APTX HD Bluetooth Amplifier Audio 100Wx2 HiFi Stereo Power Amplificador USB DAC COAX OPT VU Meter Tube Amplifier

Description

AIYIMA T9 PRO APTX HD Bluetooth Amplifier Audio 100Wx2 HiFi Stereo Power Amplificador USB DAC COAX OPT VU Meter Tube Amplifier
Descriptions:
T9 PRO TPA3250 power amplifier 100Wx2

Bluetooth/optical fiber/coaxial sampling rate: 24bit44.1khz/24bit192khz/24bit192khzBluetooth chip: QCC3031 Bluetooth 5.0 stereo support IIS SPDIF HFP TWS aptX aptxHDTube model: JAN5725The pipes that can be replaced are: 6AK1П 6AK5 6K4 EF95.6J1 GE5654 etc.Speaker impedance: 4-8ΩOutput power: 100W*2 (4 Ohm load)AUX output amplitude: 2VSignal-to-noise ratio: ≥102dBInput sensitivity: 1.4VFrequency response: 20-20kHz (±1.5dB)Total harmonic distortion: 0.03% (1kHz 1w)Input mode: RCA/Bluetooth/PC-usb/optical fiber/coaxialSupported devices: mobile phones tablets computers MP3 TVs etc.Output mode: passive speaker active speaker post-stage power amplifierWorking power supply: DC18V-32V 3A or moreSize: 290*240*90mm

Q: All my cables are connected but there is no sound output?A: 1. Check whether the screen lights up. If the screen does not light up briefly press the ON/OFF key to start the machine.2.Check the screen volume value. If the volume value is too low turn the encoder knob or the remote control to the right to increase the volume.3.If the above two points are normal check whether the playback device of the input sound source is paused muted or the volume is at the minimum.
Q: Why is the sound distorted?A: The input level may be too large. If the volume of the sound source equipment is adjusted to the maximum and the volume of the machine is also adjusted to the maximum it is easy to be distorted. At this time turn down the volume of the sound source input device or machine.

Q: Why does the volume of the machine remain the same but the sound level is different when connecting to different audio sources (for example connect a CD first then a mobile phone)?

A: The amplitude of electrical signals output by different playback devices is different. For example mobile phones are usually 0.35V while CDs are 1V. The natural sound size is different.

Q: Why does the horn make a loud current sound?A: If you use a power supply other than the original standard please replace the power supply before testing. Many power sources on the market have large interference coefficient of the text wave which will cause a large current sound.

Q: Why does the speaker make a loud buzzing sound when I plug in the input cable and do not connect the playback source?A: When the unshielded signal line is unloaded the interference signal will enter the power amplifier for amplification. It is recommended to replace it with shielded signal wire or unplug the signal wire.

Q: Why can’t I find the Bluetooth pairing name?A: Since power consumption is considered in the design of this machine Bluetooth does not work when other channels are used. You must switch to Bluetooth input mode to search for pairing.

Q: can I change the tube directly without turning off the power?A: No because the machine works under high voltage the hot plug electronic tube may burn out and damage the machine.

Q: Why does Bluetooth sound intermittent?A: When using Bluetooth to test the distance it is normal that the sound is not stuck or disconnected (without any obstacles) within 10 meters.(Note: The router will interfere with the Bluetooth signal. Don’t get too close!)
Package included:1Pcs T9 PRO tube amplifier + 1Pcs Power adapter(optinal)

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