Standard Telephone Speaker Wire Diagram. T1 r1 tip 1 and ring 1. The type of wiring shown here is known as usoc pronounced u.
Two 4 ohm speakers 8 ohm load two 8 ohm speakers 16 ohm load. Bi wired wires typically consist of a four cored wire with two wires at the amp end and four at the speaker end each feeding the drivers separately from their own insulated conductor. You will simply series two sets of two speakers and then wire one group of two speakers in parallel with the other group of two speakers.
It also provides a way to mount the speaker assembly to a box.
It also provides a way to mount the speaker assembly to a box. These connect to the voice coil. There is a blue wire w an orange stripe and a white wire with a black stripe drivers side. A standard single line phone draws dial tone from these center pins.