The HT-DISTX tone has been benchmarked against the best high-gain tube amps in the world and will transform your mild mannered classic into a fire breathing monster. The patent-applied-for ISF control takes you from 'Classic British' to 'Modern American' and anywhere in between and the no compromise speaker emulated output lets you get it all down to tape or disk. The HT Range of tube overdrive pedals features true high voltage (300V) circuitry and are packed with innovations and tone. The revolutionary, patent-applied-for tone-shaping ISF (Infinite Shape Feature) will redefine the tonal expectations of guitarists. Add to this the no compromise speaker emulated output and you have the most cost effective way of getting real tube tones direct to disk or tape. So whether you're playing live or recording, with the HT Range of pedals you can finally get the sound in your head. PURE TUBE DISTORTION High voltage tube design for true tube dynamics and feel. Two cascaded ECC83 triode stages for gain from warm boost to screaming lead. Enhanced tone network for massive tonal flexibility with traditional passive network musicality. Patent-Applied-For ISF control allows access to infinite new sounds. Emulated output is a new benchmark design for pro direct recording sounds. High integrity bypass for silent switching and driving long cables.