Thread: VCO>VCF>VCA or VCO>VCA>VCF?
I do the same with my Rebach VCF-AB which can make some knarly acid lines but it whines on self-oscillating unless the VCA shuts it down after it.
Enjoy your spare HP, don't rush to fill every last space, this is not like filling sticker books. Resist the urge to 'complete' your rack, its never complete so just relax.