Thanks Peter for the detailed info!
Peter Frary wrote: ↑
Sun Mar 17, 2019 9:36 am
I play a classical guitar through amps nearly daily and spent decades playing dinner music and casual gigs. My favorite setup is a Hirade TH90 with Cool Tubes pickup and a Trace Acoustic Cube amp. In small venues the amp is plenty loud enough and I place it close but with the speaker pointed away to prevent feedback. In larger rooms—hotel ball room—I send the XLR out to the house PA and use my amp as a monitor. Avoid plugging directly into the house PA as you lose control of your tone controls.
So you mean plug the guitar into the amp and then send the XLR from the amp to the house PA?
Usually feedback is caused by a particular frequency, e.g., open D string, resonating freely, resulting in feedback. One important feature to have on an acoustic guitar amp is the notch filter. The notch filter allows your to surgically reduce the gain of a troublesome frequency without messing with the other pitches. You could nix feedback with a simple EQ or bass controls but you kill the natural tone of your guitar. By notching out the feedback frequency your tone stays natural but no feedback.
Yes, I noticed the feedback on the open D string.
I'll take a wild guess at your Jose Ramirez 2NCWE and Fishman pickup problem. Is it the Prefix PRO Blend pickup system with a dual output design with under saddle piezo and internal mic? If so, that design is really feedback prone if you blend even 10% of the internal mic into the signal. However, you can dial out the internal mic and just run on the piezo and it works fine. Finally, you want a softer and less resonant guitar for amping up like a thin line classical. A really loud and resonant classical tends to feedback more. If you have to perform with a super resonant classical, you can buy a sound hole cover and place acoustic dampening material inside. I only needed to go this route when I played jazz with a combo. For restaurants and weddings I never needed to be so loud feedback was a problem.
Yes, the problem is when I use the internal mic. But if I set it to the piezo setting the natural timbre of the guitar is lost and it sounds like those Godin synth guitars. So I don't know what I'm doing wrong. I want the full classical tone because the pieces I'm working on are arrangements for classical guitar rather than jazz comping type chord progressions. The sort of synth sound seems more like an electric guitar with nylon strings rather than a classical guitar. In Spain I saw guys busking using the piezo pickup stuck to the soundboard and a nice classical sound even with a small crappy amp.
Finally, that Roland AC33 amp is pretty feeble volume wise. Save a little longer and get the next model up.
I know. I actually have a Roland AC90 which I got cheap but sort of regret and wanna sell cuz it's a monster to carry and doesn't have a battery, and I want to do some busking to perhaps pick up some gigs that way. What do you think about the Fishman Loudbox Mini. That also has a battery.