Been having an issue with my Express 5:25 over the past 48 hours. I've been trying to really dial in a decent tone on the Blues/Burn channel. It's been really harsh/ice picky, so I've been doing lots of toying with the EQ. The pups in my Strat area a bit bright by nature, but I've found myself running that channel with the Treble turned down fairly low....MUCH lower than the Treble on the clean channel.
Last night while I was practicing at home, the burn channel just sounded bad. It was really farty....almost like a blown speaker. Clean channel was fine, even with some OD. I set a tuner down on the top of my amp and instantly heard some weird "chime" type of sound. I turned the amp off, and after letting it cool down, I checked the tubes to make sure they were all seated properly. Everything seemed fine, and when I turned it back on, it was like a new amp. No issues.
Ran the amp at church today, and when the amp was mic'd and I was listening through my in-ears, I was able to hear a high-pitched tone...similar to that of a test tone. Not like a squeal or anything....but a solid tone. It wasn't feedback. When I changed to the clean channel the sound would disappear. It eventually stopped....then returned a few hours later.
This amp was a floor model at a GC, and it was at a store where I used to work...and my buddy I got it from would have told me if there was any issues. I figure I can call up Guitar Center and have them order me another one since I just got this last weekend....or deal with Mesa direct.
In the meantime....what should I look for/troubleshoot on my own before calling either Mesa or GC? Out of all my years playing through tube amps, I've never seen/heard this before.
Last night while I was practicing at home, the burn channel just sounded bad. It was really farty....almost like a blown speaker. Clean channel was fine, even with some OD. I set a tuner down on the top of my amp and instantly heard some weird "chime" type of sound. I turned the amp off, and after letting it cool down, I checked the tubes to make sure they were all seated properly. Everything seemed fine, and when I turned it back on, it was like a new amp. No issues.
Ran the amp at church today, and when the amp was mic'd and I was listening through my in-ears, I was able to hear a high-pitched tone...similar to that of a test tone. Not like a squeal or anything....but a solid tone. It wasn't feedback. When I changed to the clean channel the sound would disappear. It eventually stopped....then returned a few hours later.
This amp was a floor model at a GC, and it was at a store where I used to work...and my buddy I got it from would have told me if there was any issues. I figure I can call up Guitar Center and have them order me another one since I just got this last weekend....or deal with Mesa direct.
In the meantime....what should I look for/troubleshoot on my own before calling either Mesa or GC? Out of all my years playing through tube amps, I've never seen/heard this before.