Chorus feature on acoustic amp

Hi Gerald,

  The Chorus effect is a synthesized accompaniment to your primary audio input.  Generally the amount of effect is adjustable, and results in the sound of two or more guitars playing in unison with a slight delay and shift between them.  Kind of like playing with another person who is playing exactly what you are.  There are times when I use this effect on my amps, but I tend to lean more towards the "classic" spring reverb effect that you used to hear a lot in older rock and roll music.  It's a matter of personal taste, but having the effects integral in the amp is sure a bunch more convenient than hauling around a pile of pedals and cables.  Some amps with internal effects packages will allow you to use a midi foot controller through which one is able to program multiple sequences of user selectable (and modified) presets, punched in and out via the controller itself.  If you have a set playlist you will be performing, you just select the preset and depress the appropriate footswitch for the tune you are about to do.

Hope that wasn't too confusing, lots of cool sounds to fool around with!

Take Care;
Doug

kinda like the difference in AM and FM radio. Gives a sort of stereophonic effect.  Too much, and you may get an echo, which may or may not be the tone you want.

Hi Gerald, I would have thought someone would have chimed in with a guess about your phantom squeal.  Sorry I didn't get back here earlier.

That said, here is my guess although there are more than one possible causes for the sounds you are experiencing.  One could be a weak or absent ground on your power cable or the wall plug you are sourcing.  You could be getting a static charge built up on the chassis which is causing the pop and sometimes slapping the thing you could be discharging it through your body.  The other possibility that comes to mind is a failing component such as a capacitor or valve reaching saturation and squealing.  If it was a valve (tube for us yanks) making poor contact in a socket, then knocking it around may temporarily correct the problem.  But it will show up again on next heat up or cool down cycle.  Either way it should likely go to a professional as finger-poking around the innards of those things can result in a mild zap, or at worst zapped dead!  It can be surprising how big a bite a charged capacitor can inflict.... they are not large, but neither is a blasting cap and you can lose a hand to one of those.

Take Care;
Doug