adding a Dumble Deep Circuit to AA864 Bassman (normal ch)

[half_smith]

*UPDATE yes it works, I like it for a softer clean sound.
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Hello ampgarage, thanks for all the help and wisdom contained in this forum!

I recently poked around inside a '65 Band Master that had some mods done by HAD (in Santa Cruz, '70's).
It was pretty much stock except for the addition of a Deep Circuit hardwired into the normal channel.

I like what it does, and want to add that option to my '68 Bassman (AA864).
[I'll omit the Bright Cap for now, maybe I'll reimplement it later with a 3 way switch]

Has anyone tried this mod?
Is this layout correct?

Thanks!