Tech 21
Tech 21 is a New York based manufacturer of guitar and bass effect pedals, amps, and DI boxes which allow the user to emulate the tone of many popular guitar amps and record those sounds directly into a mixer. Products. Tech 21's core product, the SansAmp, was designed by Andrew Barta and introduced in 1989. The SansAmp was unique in that it introduced the concept of amp-modeling, that is, emulating a variety of different amplifiers and enabled recording direct to a mixing console. Later, SansAmp became an entire line of products for various instruments and applications . Tech 21 offerings include the Fly Rig® Series, artist signature gear for Geddy Lee, Richie Kotzen, Paul Landers, dUg Pinnick, and Steve Harris. Other products have included distortion pedals (Tech 21 XXL, American Woman, etc.) as well as a range of amplifiers (Trademark 30,60,120 combos for guitar, and Landmark combos & heads for bass) that use SansAmp technology built in. While being the precursor to digital amp modeling technology, Tech 21 has continued to use only analog technology, rather than digital signal processing, as the driving force behind its tones.