Throw out what you know about modeling amps! The Vox Analog Valve combos deliver real tube grit and dynamic response from twin 12AX7s in the preamp and power amp stages. Choose from eight all-analog preamp circuits based on classic amps from Vox and others for tones that range from clean chime to high-gain crunch; then blend in analog-styled delay, chorus, or reverb to taste. A Valve Stage section lets users adjust tube bias on the fly to capture the perfect stage of tube breakup for each song. A sealed cab with a custom 12″ Vox speaker provides powerful bass response, making the Vox AV series not just a practice companion, but also a good-sounding, vintage-looking combo for the stage and studio.