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. The earliest químico reverb units were nothing more than open chambers, usually http://viveresyabarrotes.com.mx/bebidas/22668-jumex-caja-bebida-ami-sabor-manzana-39l-5p-despensaymasjumex.html