Thanks for that, looks good. Do you think the SM3's need an amp?
It's not 100% absolute and opinions on amping will vary wildly here. I believe adding something small into the mix with SM3 helped tighten up the low end and offer a slightly enhanced presentation, helped extract the detail, mostly because the amp is ever so slightly cool (bright) it helps even out warmer tonality of SM3. And certainly you're going to experience changes tinkering with the different outputs and features. So I'll say yes it does make a difference, how much you benefit from this is sometimes personal preference. I always say it's best to try and find out for yourself.