Up for grabs is an excellent Ashdown AMB500 EVO III bass amplifier head. With 575 watts of power, a 12ax7 tube in the preamp, and a built-in octaver, this is a powerful amplifier that is perfect for any size application. Overall the amp is in great shape aside from some small scuffs on the tolex. This amp can also be fitted into a 2U rack unit. Specifications: -Power rating: 575 Watts -Built-in effects loop -Built-in sub harmonic generator -Built in compressor -Balanced XLR DI output -1x12AX7 preamp tube -1/4" Tuner output -1/4" Line output -Bass middle and treble eq controls w/shelving sliders