Dusty and not working well by all accountsTop plate comes off easily to show main PCBTesting out a few issues found with sokldering and XLR socket needing re-tensioning a little.After a couple of hours all back together and sounding great!Ready for the customer! Nice little solid state amp needing repair-service (issues with XLR input on the front). Great little amp that can power an external speaker or use the internal ones as a monitor. Guitar straight in and also mic inputs. These amps were ahead of their time and well engineered!