The Astroverb 16 Tube Guitar Combo is a 20-watt, single-channel guitar amp that packs the soulful crunch of it's SOLDANO predecessors into a 1x12 cabinet. The Astroverb has a size that belies the awesome tones it can produce. Loaded with five 12AX7A preamp tubes and two EL84 power tubes, this gem can give you anything for a great blues crunch to a ripping metal overdrive! Controls include preamp and master volume, reverb, bass, middle, treble, and presence. The Astroverb 16 is fitted with a 12" Soldano speaker, custom made by Eminence to Soldano's specs. The Astroverb also has two speaker jacks (16 Ohm), which allows you to use multiple cabinets.