This is from an article by Jonny Caine, from the website Home Studio Essentials.
After doing a ton of research (reading lots of reviews mostly) I’ve decided on the firewire/1394 based Echo Audiofire 4 Audio Interface to replace my E-MU 1616M which I had for about a year and half.
The E-MU1616M started causing random glitches & pops and I couldn’t find anyway to stop them. During my search around the internet for a solution to this problem I found that it’s a common issue. So I would probably not recommend it to you, although I was reasonably happy with it before the problem began.
Read the original article here.