I need some insight and understanding! The other day, I plugged my Acoustic B20 bass amp into my usual outlet. I then plugged a SX bass into input 1, then turned on the power. The blue light came on and immediately there was a weird groan, pop, and then nothing. So, I took the amp apart, spot check showed the slow-blow fuse had blown. (fuse reads: T315 mA 250 V P). Researched internet, found I could get new fuses at Radio Shack. Bought fuses labeled as 3.15AL250V, slow blow. Popped one into the amp, put it back together and turned it on. This time I did not have the bass plugged into the amp. It Worked! But only for about 1 minute, then same noise, pop, and smoke. Well, I took it apart and saw that two capacitors had blown up. (One had cover completely off, paper shredded all over!) Both were listed as 2200uF 25V. The newly installed fuse was ok. So, can anyone help me understand why this happened? (Besides my ineptitude, no posts regarding this please. ) I have had this solid state amp for about a year and a half, very rarely used or plugged. Thanks for any help in understanding the electronics of this experience.