We’ve repaired hundreds of vintage Fender amps, and it’s always a pleasure to get these classic amps back in tip top working order.
It’s a testimony to Leo Fender that so many Fender amps from the 1960’s are still being used today.
Here’s a picture of the inside of a vintage 1960’s Fender Blackface Deluxe Reverb that we repaired recently.
The amp was working, but at higher volumes would intermittently cut in and out.
On further inspection, we found that one of the ground wires from the eyelet board to the brass ground bus had become unsoldered.
Not the best photo!
Anyhow, the mechanical vibration when the amp was being played disturbed the ground wire and hence the intermittent signal.
I’ve seen this problem on several Balckface and Silverface Fenders, so I now routinely check the soldering to the ground bus whenever I’m looking inside a Fender chassis.
Resoldering the wire solved the problem.