Specification Brand : Generic BulletPoint1 : ±15 V Operational Amplifier Power Supply Chip: Using integrated circuit chips and a positive and negative 15V power supply can ensure stable working conditions for the op amp to ensure the accuracy and stability of the outputsignal and avoid noise interference. BulletPoint2 : HiFi Vacuum Tube Preamp: Enjoy a pleasant, transparent, and mellow sound quality with a round and full , wide soundstage, and strong drive. Whether it's the clear tones of high frequency sources, the rich quality of mid range frequencies, or the deep rhythms of low frequencies, everything is restored with accuracy. BulletPoint3 : Stable Signal: It uses imported electronic components, fever grade resistors and capacitors, and good filtering and energy storage performance to ensure the purity and stability of the sound signal, effectively improving the quality of the sound signal. BulletPoint4 : Long Lasting Use: The for 6J1, 6J4, 6J5, 6AK5, 6*1N tubes can be replaced by the user for a fuller and rounder sound quality. HiFi audiophile preamplifier is made of aluminum alloy, lightweight, high strength, and good heat dissipation performance. BulletPoint5 : Vacuum Tube Stereo Preamp: The for JAN5654 vacuum tube interprets delicate music with warm and nature tonality, providing hifi sound quality. By adjusting the treble, midrange, and bass,you can easily control the subtle details of the instruments and vocals in the sound source requirements to meet different enjoyment. Color : Assorted Color IncludedComponents : no ItemName : Generic HiFi Vacuum Tube Preamp, 20Hz-20kHz HiFi Audiophile Preamplifier Responsive Aluminum Alloy for Recording Studio (US Plug) ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 30 centimeters ItemPackageDimensions_Width : 19 centimeters ItemTypeKeyword : audio-component-preamplifiers Manufacturer : Generic ModelNumber : 2YM46V2101Z42FKL NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : FTVOGUE1fyomvkn3e ProductDescription : 1. HiFi Vacuum Tube Preamp: Enjoy a pleasant, transparent, and mellow sound quality with a round and full , wide soundstage, and strong drive. Whether it's the clear tones of high frequency sources, the rich quality of mid range frequencies, or the deep rhythms of low frequencies, everything is restored with accuracy. 2. Vacuum Tube Stereo Preamp: The for JAN5654 vacuum tube interprets delicate music with warm and nature tonality, providing hifi sound quality. By adjusting the treble, midrange, and bass,you can easily control the subtle details of the instruments and vocals in the sound source requirements to meet different enjoyment. 3. Long Lasting Use: The for 6J1, 6J4, 6J5, 6AK5, 6*1N tubes can be replaced by the user for a fuller and rounder sound quality. HiFi audiophile preamplifier is made of aluminum alloy, lightweight, high strength, and good heat dissipation performance. 4. ±15 V Operational Amplifier Power Supply Chip: Using integrated circuit chips and a positive and negative 15V power supply can ensure stable working conditions for the op amp to ensure the accuracy and stability of the outputsignal and avoid noise interference. 5. Stable Signal: It uses imported electronic components, fever grade resistors and capacitors, and good filtering and energy storage performance to ensure the purity and stability of the sound signal, effectively improving the quality of the sound signal.