http://tinyurl.com/3wg4mef has all the answers you'll need
Here's the same link for those afraid of short links:
http://lmgtfy.com/?q=site%3Ahead-fi.org+sr80i+vs+sr60i (i know, it's so much longer)
What adapter are you using? I need a new one anyway since mine keeps shorting out.
In my case, I bought the Live Wire adapter from Guitar Center for $3.00 or so. I believe Live Wire is also the same as the Hosa brand. If you want an *excellent* adapter, purchase the Grado 1/4" to 1/8" adapter. It's about 8" long and costs around $15.00. However, it is beautifully made and will ease any strain being placed on your plugs.
Edited by wje - 4/28/11 at 4:29pm