Vox AC30S1 Electric Guitar Amp The VOX AC30 has been an integral component of rocknroll since the 1960? s. Its peerless and unique sound continues to amaze and inspire players to this day. The AC30 OneTwelve (AC30S1) delivers the full-fledged experience of the classic AC30, but in a more stripped down and straightforward way. Its single channel design is based on the revered Top Boost channel of the AC30, a sound that has been the source of some the most famous riffs in rock history. This unique, touch-sensitive circuit delivers a wide range of tones from chimey clean to rich overdrive. The AC30S1 also features a studio-quality digital reverb, an effects send/return for pairing with your favorite pedals, and an external speaker output for pairing with other speaker cabinets. This all-new AC30 represents the evolution of an iconic sound, pairing legendary VOX tones with a simple, modern approach to amplifier design. Single-channel design inspired by the AC30? s trademark Top Boost. All tube design featuring two 12AX7 pre-amp tubes and four EL84 power-amp tubes. Equipped with a single Celestion-made 12-inch speaker, specially voiced for the AC30S1. Effects send/return and external speaker output are provided for pairing with pedals or external cabinets - Equipped with digital reverb that simulates a classic spring reverb.