6505 Piranha tested with valve preamplifier (12AX7 valve) 20 Watt 4 ohm. Rythm / Crunch and Lead channels with common EQ. Guitar entrance and Aux Full-range. Diffuser output, effects / return effects. Equipped bag Dimensions 8.1lx17,8ax13.2p cm. - Weight approx. 1,1 Kg.