Did you know this about Catalinbread's Formula No. 5?

[KevinFinn]

If you run it with heavy compression before it, you can get all the saturation and effectively kill the "sag" effect it gets when the Gain knob is all the way up. It's like Tweed cranked, but with a more efficient rectifier.

So good.

 

[MBT74]

Now I'm going to have to give that a go.

 

[muffinman]

 

[Kelsey]

Running an EP Booster after it also tightens up the low end nicely.