Featuring a compact design, a single 12AX7 vacuum tube powering a 30 watt solid state amplifier, and 33 unique amp voicings selectable via a single knob, the Vox Valvetronix VT20+ Guitar Amplifier is tailor-made for today's players. Bringing together the versatility of a solid state modeling amp with classic Vox tone, this combo achieves classic tube amp tone without having to take out a second mortgage. Whether you're looking for a new amp to keep around the house or an easy-to-use practice combo, the VT20+ is ready and raring to go.