Warm Audio WA-C1 Stereo Chorus & Vibrato Pedal with FREE! Guitar Interactive CourseWarm Audio's WA C1 has all of the vintage tones, functionality, and vibe of the famous original chorus vibrato pedal with added controls to separate rate and depth and brighten the tone. Like the lauded original, WA C1 has a dedicated vibrato section, and an always on 100% analog preamp that adds tons of analog tone and character. The carefully designed circuit helps bring the vintage depth of the modulation when turned all the way up, and also allows