I have a couple of 1x12s and a 2x12 that I had bought speakers for but just never got around to putting them in. The cabs already had some speakers in them so they were functional, enabling my procrastination. My open back Avatar G112 Vintage received a well-worked-in Celestion Gold, my Fender GE-112 metal front got a very early Mesa Black Shadow, and my Lopoline 2x12 now has a combo of a Scumback M75 65w and a Celestion Creamback H75. They haven't been in very long but here are some impressions- The Gold is really working well with my Mesa TA-15, especially with the Vox side, but it also seems to like the smoother Mesa setting as well. Haven't yet tried the Fender mode but I think it will go well. This combination loves my jazz box, the articulation of the Gold works well for jazz. It's also wonderful for articulating mild OD situations, makes various stages of OD obvious, and maximizes touch sensitivity of an amp. I'm delighted by the cleans and mild OD, and surprised by the high quality higher gain sounds. The Black Shadow is in a closed back 1x12 and it is ridiculously bright in there. I have to completely re-EQ my amp to get things under control- not certain if this is par for the course or if I just have a special (ie broken) example, as this is my first Black Shadow. Can anyone chime in here with their experiences? That 2x12 cab is the only real good cab I've ever owned even though it was a budget line. The others are fine, but the 2x12 has something extra that makes everything that goes in it sound better. Dunno if it's the design or if I just got lucky. Anyway, the current speakers with my TA-15 and a Telecaster just sang. It facilitated that midrange Tele twang remarkably well, yet retained the authority to shake my insides. I spent a few months with both of those speakers in turn in my Avatar 1x12 to get to know them, and while the Scumback is a very musical speaker, the H magnet Creamback Celestion is my favorite speaker of all time. Never harsh like a G12-h30 or a Emi Wizard can be, but has all the good stuff. The two together are a fine marriage.