SainSonic 6J5 Class A Vacuum Tube Buffer Classic 47 Headphone Amplifier Decode Audio Hifi Diy Amp with Power Supply

product description:

Features：

Circuit：tube buffer+Classic 47 Headphone
Using AC feedback
two Dual-opamp NE5532
Tube：6J5*2
Dimensions: 100 * 70 * 24MM
Frequency response: 20HZ-25KHZ
Headphone Impedance: 32-300 ohm
SNR:> 100db
Channel separation <-100db
Distortion: <0.003 ‰
Input and output: standard 3.5mm interface

Equipped with a dedicated power supply：

Input：100-240V~ 50/60Hz
Output：±15V-200MA 5V-2A

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