Members guitarbilly74 Posted September 17, 2012 Members Share Posted September 17, 2012 I am thinking of trying a set of 6550's on my GH100L, do you guys know if the amp can take these tubes? Some of my favorite players use 6550's (Zakk, Rich Ward) and I am curious about how they would sound like with the GH. Link to comment Share on other sites More sharing options...
Members buddhapaugh Posted September 17, 2012 Members Share Posted September 17, 2012 I don't know, specifically..... but I do know I love the 6550's. My favourite power tube, Billy. I have them in my Blackstar Series One 200. They just do something to amps that I have not heard other power tubes do. Gotta love all that clean-headroom together with some nice El-34 like breakup. Link to comment Share on other sites More sharing options...
Members Weathered Posted September 17, 2012 Members Share Posted September 17, 2012 I think 6550's draw a lot of heater current, so it'd depend on whether the GH power transformer can supply that current. Link to comment Share on other sites More sharing options...
Members guitarbilly74 Posted September 17, 2012 Author Members Share Posted September 17, 2012 Yeah I really want to try them. I've been doing some googling and it seems like the amp can take it, I just need to re-bias the amp for these tubes, although I probably will just keep the switch at the 6L6 position and give it a shot. The bias range for the 6550 is not that far off from the 6L6. Link to comment Share on other sites More sharing options...
Members DrakkarTyrannis Posted September 18, 2012 Members Share Posted September 18, 2012 This is relevant to my interests. Ask Jerry of FJA Mods Link to comment Share on other sites More sharing options...
Members guitarbilly74 Posted September 18, 2012 Author Members Share Posted September 18, 2012 bump Link to comment Share on other sites More sharing options...
Members peavey_impact Posted September 18, 2012 Members Share Posted September 18, 2012 I know this doesn't pertain to your question at all, but my main amp (deliverance 60) can take either KT88's or 6550's. I can't really tell a difference between them honestly. Sounds kick ass either way Link to comment Share on other sites More sharing options...
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