Alamo 2566 "Fury" amplifier

This is a neat amp. It was made by Alamo Electronics Corp of San Antonio, TX from about 1965 to the early 1970's. Alamo went defunct many years ago, but just like Chicago's Valco and Sound Projects Co., their amps can still be found in odd places. I picked this one up at my local music store, and traded one of my other amps in for it. It has an output somewhere in the neighborhood of 20 to 30 watts, a 15" alnico speaker which looks to be a CTS make, simple volume, bass, and treble controls, and a convenient two prong electrical outlet on the back for any effects devices one might have wanted to use back in the day. Half of the preamp and the full rectifier are solid state, but the other half of the preamp is a 12AX7,which drives the 7868 power tubes in a push-pull. The 7868 is one of those oddball tubes that's only made by ElectroHarmonix anymore, but some NOS specimens are still out there for a price. The Fury was actually designed to be an amp for both electric guitar OR bass guitar, somewhat similar to the Fender Bassman. I've read that a lot of them actually had three input jacks, two for guitar and one for bass, but mine only has two jacks. In any case, I don't use the amp for either. I play my harmonica through it, and boy does it become an absolute tone howitzer! She's very heavy for her size, but her tone makes up for that.