Used Earth Sound Research Super Bass B-20000 Head Tube Bass Amp Head

Used Earth Sound Research Super Bass B-20000 tube bass amp head in great condition, delivering classic vintage punch with warm, harmonically rich overdrive when pushed. Designed for powerful low-end response, it features an all-tube preamp and power section, a straightforward EQ for quick tone shaping, and rugged road-ready construction. Ideal for players chasing old-school rock, blues, and soul bass tones with dynamic feel and authoritative stage volume.