This page provides links to downloadable wiring diagrams for the various Sound City speaker cabinets you might own. These are admittedly crude examples (I'm no artist), but they are accurate. Also, these diagrams can be used with any cabs that have two or four of any size speaker (10s, 12s, 15s, etc.).. Speaker Wiring Configurations Single speaker wiring Replacing a speaker or speakers in your cab can be a really cost-effective way of significantly upgrading your tone. If you're thinking of swapping out speakers yourself, then you've come to the right place!
This wiring allows the four speakers to work together as one, creating a powerful tone. To understand how the wiring works, let's start by looking at the diagram for a 4×12 cab.. Marshall 4×12 Cabinet Wiring Diagram How to properly wire a 4×12 speaker cabinet Here is a pic of the wiring in his Marshall cab, with the new WGS Green Berets installed. The GREEN wires in the diagram are the same as the BLUE wires in Scott's photo it just looks. Wiring diagrams and their effect on cabinet impedance are displayed below.