My current amps are no where near as impressive as some of the others on here. Thankfully every one of the ones I have sounds great to me!
'73 Fender Vibro Champ - weber signature AlNiCo speaker
'64 Kalamazoo Model Two - stock, even the tubes are original and sound great!
Crate V18 112 - Upgraded reverb tank, old Mullard 12AX7 in V1
And last but not least, I've got two EL84 Silvertone tube amps I pulled from old organs. One has been modded slightly, the other is still stock. Both will get modded more once I have the time.