allanK 對 DIY 300B的意見
My DIY 300B is ready for service, it perfectly matches my TAD 300. I am now trying various types of rectified tube, 5U4GB, 5U4G, 80, 280 and 83V. It matches 5U4G well, and good looking with 280 balloon tube. Its performance is getting better and better after a week of run-in.....
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