HARTKE HA-5500 BASS AMPLIFIER HEAD w/FURMAN M-8L POWER CONDITIONER AND CUSTOM GATOR CASE. Hybrid - tube and solid state. Very little use. About 5 years old. AMP and power conditioner in excellent condition. Amp has 500 watts. Impressive and professional sound with a lot of punch and variable tone. Highly sought after amp. In GATOR case but could be removed. Protects and transports it nicely with handle and zippered pocket.