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Started by Roark, October 17, 2022, 01:06:44 PM
Quote from: Roark on October 17, 2022, 01:06:44 PMIt's a Fender Frontman 15G Amp, which is useful to me because it's small enough to fit on my desk, for when I give lessons. There's a pretty loud Hum from the Amp, mainly when cold & whether or not anything is Plugged In. This is with the Amp Volume set to zero. The Hum usually Stops after the Amp has warmed up for about 5-10 min. For awhile the Hum was eliminated by [repeatedly] unplugging & replugging the guitar cable from the input jack of the amp.But now the problem is getting progressively worse & the Hum returns, even after the Amp has warmed up [& now there's even other noises: distortion?,crackling?,static?].I'm asking your advice to confirm whether this Hum is likely to be caused by a cold solder joint of the Input Jack?... or something else?To isolate the problem I eliminated: the Cables, A/B Box [Splitter], Guitar & Effects Pedal I normally use. The problem appears to be in the Input Jack because I noticed I used to be able to eliminate the Hum by pulling the cable plug/tip part way out of the input jack,to the point where the plug/tip first touches the contact in the jack ; & then pushing up & down on the plug/tip [jiggling a bit]: I would hear the hum stop completely & there was a click sound! But this doesn't work any more.