Here's the deal. I bought a Fender HRD tube amp a while back. I was thinking 2-3 years. Well, I have a few amps so I don't use it all that much. I recently moved to ND which is quite a drive for my amps.. I plugged in the HRD recently just to try it out, and it does nothing but blow fuses. I put a heavier fuse in, and it just hums, real loud whenever I take the standby off. Even with the tubes out it hums. I was talking with another musician recently, and he said "Hey, doesn't that thing have a 5 year warranty?". Why yes. Yes it does. I couldn't find the receipt, so I called Guitar Center where I bought it... They not only found the receipt, but faxed it to me in 5 minutes, too! And get this: I bought it over 4 years ago! So it is being repaired as we speak! I'm not the type who will invoke a warranty, I usually will fix it myself or toss it- to me it's not worth the hassle most of the time, but this amp is not a cheap amp. This is probably the first time I have used a warranty to get something fixed. I have to say Kudos to Guitar Center!