I received my nice new shiny Scumbacks earlier this week from Jim (H75 8ohm 65W and M75 8ohm 65W). They have now been installed in my rear ported 2x12, which had held well broken in Heritage G12-65's. I won't beat around the bush, here are the soundclips. The amp (AC30HH) has exactly the same settings for every clip. The micing is also identical. G12-65 :- http://www.box.net/shared/static/3h7b8bccog.mp3 H75 :- http://www.box.net/shared/static/24t4kojr40.mp3 M75 :- http://www.box.net/shared/static/3sdsslmo04.mp3 Bear in mind that the G12-65's are well broken in and the Scumbacks are literally straight out of the box, and are a fraction bright. I tweaked the amp a little bit to adjust for this, and re-recorded clips of the Scumbacks. H75 :- http://www.box.net/shared/static/7sig6le88k.mp3 M75 :- http://www.box.net/shared/static/aoblch1c0g.mp3 Overall I have a strong preference for the H75/M75 mix. With my amp/cab, I notice much more clarity and cut in the tone, with less woolly bass. I used to like the G12-65's, but I'm afraid the Scumbacks just kicked their butts out the door. Thanks Jim. Another very happy customer here. Well worth the cost and hassle of importing to the UK. I've had Celestion G12H's and greenbacks before, but these are in a different class IMO.