If you're just looking to weed out faulty components, I have one of these and have been happy with it.
https://synthchaser.com/product/synthchaser-op-amp-tester/
I got this one from @drew.spriggs and used it along with the other file for the top face and it worked out good.
https://forum.pedalpcb.com/attachments/nobelium-top-face-pdf.99682/
Thread 'Nobelium'
https://forum.pedalpcb.com/threads/nobelium.28644/
You shoppin for tape? I have a couple cool R2R machines here that I’ve been on the fence about what to do with. Both need repair which might be a fun project, but every time I think about dealing with deteriorating NOS tape I get turned off. And I’m way to cheap to spring for new tape...