I have a CAL Alpha tube dac and would like to know if I can change the tubes myself and if so what would I need to do? I am not very familiar with the technical side of high end so I would appreciate any help thanks Mike
Remove the screws which hold the cabinet top on to the chassis; slowly pull the tubes vertically from their sockets. There are only two. Replace with high-end 12ax7a or 12ax7wa; i.e., Telefunken, Brimar, etc., etc., and enjoy!!
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