I've been using the BJC between my Simaudio Moon LP3 phono amp and my AVA Omega III pre-amp, and Granite Audio #470 between the AVA Omega III pre amp and either the Jeff Rowland or the AVA OmegaStar.

I found the BJC to give a tighter, punchier bass but lacked a bit in the soundstage compared to when I used the Granite Audio #470 between the phono & pre and pre & amp.

That was in the old apartment. This new place in SoCal is offering a new set of challenges to set up. Have to pick all your minds soon about this.