Lately I’ve been writing about some amplifier heads that have pushed the size boundaries of my amplifier head goal. They’ve been bigger in physical size and bigger in wattage. This week I thought I’d go back to basics. I’m not sure they come more basic than the Z.Vex Amps Nano Head. This is one tiny little one-half watt tube amp! … 52 Amplifier Heads, week 47—Z.Vex Amps Nano Head