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Warning

1. Please do not open the shell without permission. Improper operation may cause the danger of electric shock.

2. Please use the power supply of the regular manufacturer, otherwise it will damage the machine.

3. Please do not use the machine in a high temperature and humidity environment.

4. Please don’t replace the tube when the power on, otherwise the tube & machine will be demaged.

5. Please don’t use the non-matched tube, otherwise the tube & machine will be demaged.

Note:This is a preamplifier,not a power amplifier or phono preamp, can't be used for turntables

More technical support,pls ask me: www.amazon.com/hz/help/contact/A3BG62S1F23IH5# .Or leave any of your instant messaging account and I'll contact you.thanks!

Model TUBE A3
RCA line output 0.9vrms
Signal to noise ratio ≥98db
Distortion ≤0.3%
Audio inputs/Audio output Gold-plated RCA
Bass adjustment range: ± 10db
Treble adjustment range ± 6db
Frequency response 20Hz-20KHz
Power supply DC12V / 1A
Product Size 95 * 119 * 31mm (3.75*4.6* 1.22inch)
Weight 0.35Kg/ 0.77Lb
Accessories 12V/1.0A power adapter + manual user + 6J1 tubes
2.1 Amplifier 600W Power Amplifier 2 Channel Audio Amplifier 320W Power Amplifier Subwoofer Amplifier 2 Channel Tube Amplifier
Bluetooth Bluetooth 5.0 NO NO Bluetooth 5.0 NO Bluetooth 5.0,APTX
Max power Output 50W+50W+100W 300W+300W 175W+175W 160W+160W 300W 100W+100W
Audio Input Ways Bluetooth/AUX AUX/RCA AUX Bluetooth/RCA/U-disk RCA Bluetooth/AUX
Audio Output Ways RCA(Passive Speaker,Subwoofer Output) RCA(Passive Speaker) RCA(Passive Speaker) RCA(Powered Subwoofer Speaker;Passive Speaker Subwoofer Output/Passiver Speaker Passive Speaker
Work Voltage AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V
Input voltage DC 12-24V DC 24-48V DC 18-35V DC 19-35V DC 24-35V DC 12-24V

Features & details

Features

  • ❶ This tube preamplifier Using classical tube 6j1 design and optimize the route,Match amplifier home audio and home theater amplifiers to use,Let you enjoy the imagination music(Note:Cannot be used on a record player and phonographs)
  • ❷ Tube can be replaced design,soft voice.Adopt the Dual run amplifier chip NE5532P power conversion module
  • ❸ The power circuit is completely separate from the audio circuit ,in order to Minimize interference,Treble and bass knob design allows you to adjust the sound according to your preferences
  • ❹ With DC12V power supply(Can''t beyond 12V),Reasonable circuit layout,Exquisite and unique appearance design,aluminum shell solid touch,perfectly suit for your desktop or a small space in your home or office
  • ❺ This tube preamp Can match digital power amplifier,Analog power amplifier,Active speakers.It doesn''t connect the speaker direct(More help,pls ask me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5#)

Product information Black

Product Warranty: For warranty information about this product, please click here

Important information

Safety Information :

* Note:We do not advise customers to open the case and make any upgrades or changes as it may cause permanent damage to the electronics and may pose a safety risk,Thanks

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