Marshall 2x12 Wiring Diagram. The diagram beneath shows the wiring of a marshall 2x12 speaker cab accepting a. Between the two jacks it is labeled stereo75wch the jack that is labeled 8 ohms is just a straight jack and the other jack is wired in parallel.
2 each celestion g12t 75 at 16 ohms each. The 2203 was a 100 watt head and the 2103 was a 100 watt 2x12 combo. A 4x12 cab is typically 16 ohms so when you connect two of them this is still series parallel wiring so following this diagram will still workthe diagram below shows the wiring of a marshall 2x12 speaker cab having a monostereo selection switch and two specialized input jacks.
The sixties 1962 1967 which is the jurassic period of marshall and is the time of the jtms.
When the monostereo switch is set to mono the two 8 ω speakers are wired either in series making a 16 ω cab or in parallel making a 4 ω cab depending on which jack you use. One set 4 separate pieces of approximately 23 5842mm twisted 18 gauge stranded black and white cloth covered wire. Marshallkeyboard1212w53015302pdf 182 kb 138. Marshalljvm410hblockdiagramjpg 111 kb 136.