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Specification
Brand : AZNARRSE
BulletPoint1 : Tube Preamp and Buffer Functionality: When placed between digital sources and amplifiers/subwoofers/active speakers, it effortlessly achieves the best combination of tube preamp and solid-state amplifier. The harshness of "digital" and "transistor sound" that can become tiresome during long listening sessions immediately disappears, allowing the entire audio system to exhibit a sweet and delicate "tube flavor." This results in a rich tonal quality, sweet vocals, and a strong musical presence.
BulletPoint2 : AC 12V Input: Use a DC 5.5*2.1 socket with an AC 12V transformer. If you want to use a plugless AC 12V transformer, you need to solder the power line to the circuit board. Remember: do not use a DC power supply input, or it will not work!
BulletPoint3 : Channel Input: This is the audio signal input terminal, which can be connected to music players such as smartphones, computers, M3, MP4, etc.
BulletPoint4 : Channel Output: This is the audio signal output terminal, which can be connected to the audio signal input of amplifiers or amplifier boards, providing a rich tube flavor for an enjoyable musical experience!
BulletPoint5 : Power Switch/Volume Knob: Turning the knob counterclockwise initially reduces the volume. When the volume reaches the minimum, if you continue to turn it, you will hear a "click," at which point the power will turn off and the indicator light will go out. In the off state, turning the knob clockwise until you hear a "click" will turn the power back on, and the indicator light will illuminate, indicating that the power is on. At this point, the volume is at its minimum, and further clockwise rotation will increase the volume.
ExternallyAssignedProductIdentifier : 9469983942492
IncludedComponents : Set
ItemName : 6J1 Valve Tube Preamp Audio Board - DIY Buffer Amplifier
ItemPackageDimensions_Height : 3 centimeters
ItemPackageDimensions_Length : 12 centimeters
ItemPackageDimensions_Width : 6 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : audio-component-preamplifiers
Manufacturer : AZNARRSE
ModelName : Keenso9zr7sb4wgi
ModelNumber : Keenso9zr7sb4wgi
NumberOfItems : 1
PartNumber : 6J1
ProductDescription :

Product Description

The circuit board is made of FR-4 A-grade material. The PCB directly prints the parameters of the components, allowing for easy soldering without referencing the circuit diagram.

• The pads are treated with a larger soldering process, allowing them to withstand multiple disassembly and re-soldering without easily falling off.
• It is less prone to self-bending (referring to bending caused without human intervention).
• The impedance is more stable and reliable.

The shipped product has a protective layer on both sides. Please remove the protective layer before installation after receiving the item.

Package List:

A complete set of DIY components (including acrylic casing).

ProductSiteLaunchDate : 2024-11-23T04:21:11.184Z
SupplierDeclaredDgHzRegulation : not_applicable
UnspscCode : 52161547