Late 80's & early 90's rack effects for guitar | Rig-Talk
Pedals That Emulate Classic Rack Gear - YouTube
Effects Rack – Blogging in Disguise
Racks 101: The Rack is Back! – MusicPlayers.com
I'm still getting as much fun out of these cheesy old rack mount guitar effects as the fancy newer pedals. Who else is still using rack mount units? : r/guitarpedals
Effect Rack - Soundtoys
Calzone Escort XLT Effects Rack Case – MusicPlayers.com