The Apostle is boxed up, drilling was fine except for the rotary switch hole which I forgot needs to be larger than a normal pot hole, but that was an easy fix.
Also a bit of a goof, the dual gang pots (which the Musikding kit did not include - it included single gang pots instead, but I did get a voucher for my troubles so it's fine) I ordered were accidentally linear and not logarithmic, so apparently the normal "noon" position for treble and bass is now somewhere around 20% of the rotation. I thought 50% is the same in both and just the rest of the taper was different (for whatever reason), but obviously I was way off mark.
It still works and sounds fine, but it's a bit noisy (just background hum - doesn't change if I touch anything so I don't think it's a grounding issue, but I'll double check that the input and output are making a good connection at some point) and also very loud and high gain (fun comparison to the Viceroy which I've been troubleshooting for a while which has way too little gain and volume). I'm pretty sure everything is correct, and I biased the JFET's at 17V (originally 16V but rebiased them to try and get more headroom and less gain) as they should be AFAIK. Maybe it's just a very high gain circuit? I feel like there's no reason to put gain and volume over noon, or at least if you include the boost knob in the equation.
It also has a switch between Orange and Matamp tone stacks, I don't know which one is which, but one seems to be more balanced with the edges rounded off. Both are interesting flavours.
Edit: Attached photo, featuring the God of War font
@music6000 pointed out to me some time ago.
The toggle switch is sadly a bit skewed, I should see if I have a washer that could work there.