Getting overtone in a pair of bookshelf speaker.


I just bought a pair of Music Hall Marimba bookshelf speakers, and currently experimenting with placement. I changed the previous height of the tweeter by placing two books under each cabinet. During the first listening session, they sounded OK, but now today after the changes made, they sounded crinkly in the high end with somewhat of hollow overtone in the midrange.

I do not expect them to pressurize a 12X14 room with full sound, but I am a bit disappointed at the tonal balance. I have them about 4 ft from the side walls and 15 inches from back wall which is glass, but has slat shades that can be closed. They are approx 5 ft apart and occupy the far end of the long axis. Need suggestions on how to find ideal tonal balance. Thanks
sunnyjim
"they sounded crinkly in the high end with somewhat of hollow overtone in the midrange."

I have no clue what this is suppose to mean.

Can you return them. There are so many good speakers you could have bought used like Von Schweikert VR-1s or Green Mountain Audio Europas.
You need to give them at least 40-50 hours to break-in, (maybe even more). I wouldn't get to critical until you have some time on them.

You asked a few weeks ago about recommendations for a small speaker and got a lot of good advice. The Marimba's would have been one of my last choices. Sorry, just my opinion, but you really could have done better. Hopefully these will work out for you.
Try moving them out 3-4 feet from rear wall and a foot or two from sides with each tweeter firing 2-3 feet to the side of your main listening position, not directly at you. Make sure tweeters are near ear level and speakers are firmly supported on stands. Avoid early reflections from walls and whatever the speakers might be sitting on. Not a problem generally with proper speaker stands.