It’s at that age where one possibility, the ugliest of all.. is the one I made with the last three integrated amps I worked on.
Complete switch disassembly (of all switches), and scrubbing of the contacts with 2000 grit sandpaper, reassemble switches, re solder, and then reassemble the gear. They might never suffer a fault in the entire life of the gear, ever again.
That’s the only ’real’ solution that works. Contact cleaner works for a bit, but then......
Complete switch disassembly (of all switches), and scrubbing of the contacts with 2000 grit sandpaper, reassemble switches, re solder, and then reassemble the gear. They might never suffer a fault in the entire life of the gear, ever again.
That’s the only ’real’ solution that works. Contact cleaner works for a bit, but then......