The only reason I am giving them 3 stars is that the clean channel sounded rich and chimey, and so they might be suited for some applications, but definitely not a guitar amp where you want to overdrive it or have any distortion.

Clean channel has headroom so

The clean channel on my amp was very clean and chimey, sounded great.

With these tubes, I have no doubt these amplifiers are acting as good as or better that their impressive specs