Tubes are simply more interesting maybe. They glow...if a transistor amp glows start looking for traces of smoke and try to remember where the fire extinguisher is. Tube guitar amps still rule that roost, but hey...my Pass XA-25 is in a constant battle with a single ended Had tube amp my earball's attention. Swap them whenever I feel like it and I'm somehow always in the fun zone. Bi-tubular?
