I have built a schematic for this Class A amplifier, so I will present that in Micro-Cap Spice Simulation tool. It is free, so get Micro-Cap from Spectrum software downloaded. Also, I have a playlist of tutorials for Micro-Cap. It is titled 20W Class A Amp Schematic with MicroCap Tutorial .

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Class A Power Amplifier Playlist: [ Ссылка ]

Yaung Jing is the brand, and the following is the specifications for it:
Basic Parameters
Supply voltage: DC +/-25V ~ +/-35V
Output power: 20W @ 8 Ohm, 40W @ 4 Ohm, 80W @ 2 Ohm
Speaker impedance: ohm 2 ~ 8 Ohm

Zener Diodes: [ Ссылка ]
Wire clamps: Wago assortment: [ Ссылка ]
Keadic assortment: [ Ссылка ]

Link to 20W Power Amplifier Board: [ Ссылка ]
Link to silicone lead set: [ Ссылка ]
Link to Blue silicone mat: [ Ссылка ]

Please use this link for the Hiraga Power supply kit:
[ Ссылка ] Power Supply

Please use this link for Aleph 5, Class A Amplifier kit used in this project: [ Ссылка ]

Another Aleph 5 Class A amplifier link:
[ Ссылка ] 5 Amplifier

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