S*** drives me nuts. 2013 and I'm still dealing with feedback. Mostly because I don't know what I'm doing. But hopefully there is a planet somewhere, where the physical properties of the environment do not cause feedback. Earth? Not impressed. Anyhow.
Ok, here's what I got.
I use resonator guitars, primarly. 7 of them and one acoustic J45. Now the ones that are most a problem are the baritone resonators. They use an active highlander preamp/ piezo pickup. I try not to run them through another preamp. I use to have a fishman aura pedal, the big one, which had a nice feedback suppressor. But I found that just going direct. Resonator > highlander battery box (powers the preamp via a TRS cable) > Line6 L3T sounded better (tone wise) than going into the Fishman preamp as well and then into the L3T
Now I have the L3T going into the Stagescape and I have a monitor as well in front of me. L2T. When I'm by myself I don't even use the 2 additional 3LT PA speakers. Just the 3LT (as my guitar amp) and the L2T as my monitor.
Now, when I hit a certain note on the guitar (steel body baritone resonator) it vibrates and goes nuts (feedback)
Now when I use the feedback suppressor on the 3LT, I have to switch it to RED. This kills the feedback, but the tone goes in and out with a clicking like the speaker is constantly adjusting. This sounds like lollipop and the volume goes up and down as it's adjusting.
The 3LT sits to the Left of me, like 3' away.
I have a small pedal board with my pedals on it. Mind you, when I'm using the resonators, I'm using the TRS cable > highlander box, to a morely A/B switch box. I need the switch box to switch between TRS cables for the highlander pickups and the 1/4" mono for the other guitars. The switch box enables me to unplug one guitar and switch to the other channel so I don't get that cable pop. Just thought I'd explain all this.
What I'm thinking about is perhaps a graphic EQ, one of those behringer or DBX rackmount EQ's or perhaps some parametric EQ. I'd go from the pedal board, into the EQ, into the 3LT.
What do you think about this? Do you think there is a better solution? I know someone is probably going to say to use the guitar > mixer, rather than guitar > 3LT, but I find I love the bass response of the guitars going right into the 3LT. However this limits me as far as being able to adjust the frequencies that are feeding back, hence my idea of using an EQ.
Played out the other night and used my L2T with vocals and guitar going into it. Sounded great, but the same problem happened. That one note. Endless feedback to the point where I want to quit music. I'm a bit of a drama queen I know, but when I'm playing and singing it drives me nuts.
Any ideas / help appreciated.