8-ohm, 20-watt, 1 x 8" Closed-back, Straight Guitar Speaker Cabinet with Custom-designed Speaker. The range PPC108 guitar speaker cabinet clocks in at just over 10" across. Designed to be coupled with the orange MicroTerror guitar amp head, the PPC108 houses a special-design 8" speaker for punchy tone. The same rugged construction used with larger Orange cabinets was used on the PPC108.