Orange Terror Bass 500 Head Amplifier500 ferocious watts and a tube preamp in a compact head. Maintaining the size of the original Tiny Terror, the Terror Bass from Orange Amplifiers is a 500W hybrid bass amp head with a Class D solid state power section and the AD200B twin tube 12AX7 preamp. This Orange bass amps diminutive size is quite deceiving, especially considering that underneath its sturdy and appealing housing lies an unbelievable 500 watts of class D solid state power, paired