necro bump.
I got a 1400 and trying to find an accurate schematic, if possible.
I saw some online demos that seem to show the Gain is a push/pull to defeat a gain stage. My amp does not have this but I’d like to mod my amp to add this via a footswitch so I can get a little cleaner tone. Not pristine but just less gain.
Current I have the gain on 4.5/5 and while I can get the amp to clean up a little rolling my volume back, it’s not as clean as I’d like.
Here is what I could find online: