APPJ Single End 6J1 + 6P6P Tube Amplifier Board Class A Power AMP Hifi Vintage Audio Assembled Board

New update:?The appearance is updated from March 6, 2021.
Specifications: ? Assembled, solder free Driver tubes: 6J1x2PCS Power tubes: 6p6p Power output: 3W+3W @8ohm Frequency response: 30-40KHz(+-1dB) Input sensitivity: 550mV Signal-to noise-ratio:-80dB/3W Input power: 85-264VAC Power consumption: 40W Input impedance: 10K ohm Output impedance: 16ohm,8ohm,6ohm,4ohm Package dimension: 12*21*17cm Package weigth: 1.5KG ? Note:? ? The self-made shell must be opened with sufficient heat dissipation holes, preferably 50% of the shell area, at least 30%, otherwise it will affect the service life. ? Package Included: ? 1 x End 6J1 + 6P6P Tube Amplifier Board