- Please note that this product is a preamplifier. It is not an amplifier and needs to be connected with an amplifier or active audio devices. Also, it is not a phono preamp and can't work with a turntable.
- For noise issue:
- There is a large probability that the low-quality audio cable causes the static noise.
- Please make sure the sound source is fine since tube amplifiers will amplify all sound including the noise.
- Please check whether the tubes are plugged well on the tube sockets or not.
- Devices like routers, mobile phones will also interfere in the audio signal and may cause static noise.
- If your problem can't be solved, please feel free to contact us. We will be very glad to help you and try our best to make you satisfied.
- Audio input: RCA input * 1 group
- Audio output: RCA output * 1 group
- Power DC input: 12V input
- Aluminum shell, CNC processing
- Laser carving characters
- Color: Black / Silver
- Size: W100×H70×D150 mm
- Weight: 0.5Kg
- 1× Digital Audio Preamp
- 1× 12V Power Supply
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- Audio signal input end can connect to the computer, CD, phone and other player for lossless audio
- The output end can connect to the digital amplifiers, active multimedia audio devices.
- This is a preamp, not a power amplifier or phono preamp. It can't be used for turntables and needs to be connected to an amplifier or active audio devices.
- With treble and bass adjustment function; No background noise
- Gold-plated for input and output terminals; 6J1 valve tube; Black version ASIN: B01NBM7K8L
Nobsound HiFi 6J1 Vacuum Tube Preamplifier Stereo PreAmp Digital Treble&Bass Tone Control (Silver) out of 5 based on ratings.