They are usually made out of solid rubber, which I am guessing blocks sound more than cardboard would. But worth a try for sure!My solution would be unconventional, like making a cover out of cardboard. Could color print a picture of wood grain, cut out the shape, and glue it to the cardboard. Or even easier, just tape the color printout of wood grain over the soundhole. Disclosure: I've never tried this.
What I don't know is whether the soundhole cover has to be resonant. I suppose it opens up an entire new set of new questions about how soundhole covers change the sound.
Yesh, I found this seller after I posted here. He is using a 3d printer, so I am not sure what it is made out of, but for $20, it may well be worth a try.Google is your friend
Custom Size Guitar Sound Mute/sound Hole Cover - Etsy
This Stringed Instruments item by PHDDesignsCo has 60 favorites from Etsy shoppers. Ships from Roy, UT. Listed on Jan 4, 2024www.etsy.com
E Type,While it is easy to find soundhole covers for a 4" diameter hole, my '70 D-25's hole is a bit smaller -- looks to be 3-5/8". A 100mm cover is 3.93" and a 3.3" hole cover would be way too small.
Suggestions?
GuildFS4612CE,Feedback suppression when amplified.
Feedback suppression when amplified.
This! I try to position speakers, monitors, etc so it isn’t a problem, but sometimes just bending over to change a setting on something or moving/turning can start a terrible howling. Esp at practice when we are more facing each other. It’s just a precaution.Feedback suppression when amplified.