I have one of these with a 15” stock peavey speaker in it, With only 1 set of eq’s I can get a great sparkly clean but the gain channel is a bit too dark and loose on the bottom end, if I change it to a better gain sound, the clean gets a bit too bright. Whats a good 15” speaker for this amp to even out the channels? Its a combo amp with an open back which I like for cleans but a closed back I like better for gain. I do like how the amp sounds when run through my Diamond 2x12 cab with Vintage 30’s. Any best of both worlds 15” WGS speaker?