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Message: <blockquote data-quote="JSuttie" data-source="post: 148894" data-attributes="member: 3574">OK, so I fired it up for the first time in ages this weekend, and everything was fine. I checked the bias, which I actually had set to 33.4mA, not 38. I re biased down to 31mA to be safe, as we've had all kinds of wild power fluctuations recently.The fuses seem to have been the issue. Either that or it was the tube that was cracked. I tried turning it off and on again within about a minute, and when this would have caused the fuse to blow very violently in the past, it just started up calmly.I like the fact that I can crank the volume a bit more now it's running 50W only, It sounds really sweet!</blockquote>