I think that prestige makes the best overall equipment available. They have quality stethoscopes that are long lasting. I have had three, have given one to my daughter, and she loves hers. I will be ordering another soon!
Working in a veterinary clinic, stethoscopes take a lot of abuse, so when it came time to replace my first scope, I wanted quality and value. My trusty and much mangled Littmann had more holes than swiss cheese, and scotch tape as a diaphram just doesn't look professional. I decided on the Clinical I by Prestige Medical. Good, clear acoustics and at half the price of all but the cheapest Littmanns, this has done the job admirably.