A very tweakable real spring reverb, with knobs for depth, speed, tone and dwell and three different springs for varied depth. It also features a tremolo inspired by Fender blackface and brownface amps with its own footswitch. La realidad es que la Escuela de Lozanía Pública de Harvard señala http://viveresyabarrotes.com.mx/alimentos-y-despensa/35435-barcel-media-caja-cajeta-yopi-quemada-coronado-250g-12p-despensaymasbarcel.html