zVex’s new ’59 Sound looks to emulate an overdrive ’59 Fender Bassman amp and is essentially a tweaked Box of Rock. I’ve left out the boost section (which is essentially a SHO after this circuit), but can be easily added with the old SHO layout here on the blog.
Also, there’s another installment of the DIYLC tutorial up on YouTube today. I actually am not using DIYLC all that much in it…