I love my K88 DHG. I bought on here quite some time ago and when I got it, it sounded like ass. I just let it sit for probably a year give or take and then decided I may just sell it. Before I finalized that decision though, I knew I had to have it checked out so I took it to my guy as at a minimum I knew the bias was too cold and who knows what else. Thanksfully, all it needed was a bias adjustment and a couple preamp tubes so now it rips and I am so glad I kept it as it is one of my favorite amps I have owned. My guy works on just about everything and he highly praised the build quality.
Maybe I will add a clip here or something. I run mine through the two cabs in my signature. It is a damn shame they are not made anymore.