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Use customized 100W OFC pure copper toroidal transformer with iron core imported from Japan. Please connect with preamp to use it. Using 5U4C as rectifier tube to reduce the current impact, the cathode aging of the side-heating tube can be effectively avoided.
Use customized 100W OFC pure copper toroidal transformer with iron core imported from Japan. Please connect with preamp to use it. Using 5U4C as rectifier tube to reduce the current impact, the cathode aging of the side-heating tube can be effectively avoided.