I just put a set of 45-105 Round Core Boomers on my '77 MSB. The tension is just below regular Boomers; they feel like the tension of an old, played in set. The Round Core doesn't seem to buzz easily on the frets like a light gauge can. They have some nice midrange content and grunt right out of the box---maybe a bit more of this than regular Boomers. Maybe the added flexibility is eliciting a different reaction from the pickups; they're pretty ballsy. Overall, a beefy, clear sound with nice sustain. Bottom line...the Round Cores are sort of like regular Boomers, have a meaty tone, and are definitely easier to play and get around on than regular Boomers. I like them a lot.

Keith, thanks for sharing your thoughts.
In my round wound days Boomers were a favorite by far.   Sounds like they made a good thing even better.   


Paul (currently in a flat wound kinda mood)

Hi Paul. I agree. GHS has come up with a subtle but nice alternative. The standard Boomers are a little stiffer than most rounds in the same gauge. I'm appreciating the small amount of added flexibility the RC's afford.

After reading this, decided to give myself a present of new strings, even though I'm not recording or playing with other people. I use a heavy set - 50-115 - on my bass, and have been using flats and tapewoulds for the last 5 years or so. GHS has round core in heavy, and i'm really digging the clarity and high end and feel. Tension is a lot lower than what I'm used to, it's nice to be able to do jack bruce bends again Woot!

I'm with you. I'm really liking the Round Core Boomers at 45-105. So comfortable to play, and the tone is so good.

Upon reading the thread title, I must admit that I envisioned a few overweight guys, born between 1945-1960, huddled together standing on your instrument ... rim shot!

Bill, tgo

Thanks a lot, I'll never get that image out of my mind---lol

ha ha ha ha

This is why I like DR Sunbeams so much. Nickel round core round wounds.

Haven't played Boomers in decades, but I bet they are pretty nice.