I play a banjo I picked up cheap at a rummage sale and then put in the closet for ten years. I recently began playing it after hearing how good Irish music sounded on it. The brand name of it is "Aida". I have no idea how old it is or where it was made. The g string doesn't sound too good, and I'm looking for a better banjo although it is acceptable for personal use. I don't need an expensive one, just one that sounds better than this one. I play other instruments and know a number of music stores in the Midwest where they sell tenor banjos as well as a wide variety of other folk instruments. Elderly Music in Lansing, Michigan is great for new and used folk instruments.
AIDA ? That could be the manufacturer, or it could be the " style " / model. I'm not familiar with the name. Just changing the G string and/or the peg ( whose gear might be stripped )may help.
Cheap banjos sound >B> cheap ; like rubber bands being plucked/strummed. Unfortunately, so do most newish ones. The other problem ( sound )could also be with the head and/or the the construction of the entire banjo proper.
I'm afraid that the banjos, which sound good to incredible, all cost a great deal of money and are mostly in collectors' hands ; even the lower end ones. In the '80s , a weathy Janpanese went after every banjo, he was, unforunately, able to buy up many, have them shipped off to Japan, and so they are no longer here, nor in Germany ( there was/still are some ) a vast horde of them there, and in England, with a few in Italy.
You might want to go to a FIGA ( THE FETTED INSTUMENT GUILD OF AMERICA )convention and / or joing that organization. It's not just for banjo players. :-)