Marshall 4x12 Wiring Diagram

How to properly wire a 4x12 speaker cabinet.

Marshall 4x12 wiring diagram. Back in the day when guys ran full marshall stacks the cabs were 16 ohms since you had to parallel 2 cabs and get an 8 ohm load. Marshall 4x12 16ohm speaker cabinet wiring diagram marshall jcm 4x12 75 watt celestion stereo mono switching photo. This caused the amplifier to dead short one of the el34 s. The cabinet was rewired properly for 16 ohms.

To be honest i hadn t given that one any thought in a couple of decades and it made me think. 5x02 new 18w new 18wr new 30thanniv new 87x 60 02 1 new 87x 60 02 2 new 100w 67 new 200w new 1917 new 1930 new 1959 01 60 02 new 1959mk2u new 1959prem new 1959pwrm new 1959sprm new 1959spwm new 1959t 66 new 1959tu new 1959u new 1962ri89 new 1962ri93 new 1963 70 new 1963. Marshall 4x12 wiring in series parallel four 16 ohm speakers 16 ohms total load four 8 ohm speakers 8 ohms total load red wires are positive black wires are negative position speaker terminals in towards the center of the cab. Many people have asked how to wire up a 4 speaker cabinet that can have an extension speaker cabinet usually another 2 or 4 speaker cabinet plugged into it when desired.

The most common request i get is for 4 speakers that are 12 inch in diameter 4 x 12 however this solution pertains to 4 10 s 4 15 s or any mix of sizes. So this week i received an email from scott a wgs aficionado who was inquiring as to how he should wire his marshall style 4 12 cabinet. Marshall 4x12 wiring in series parallel. A marshall cabinet with four 4 15 ohm speakers wired in series for 60 ohms.

I like the idea of running my marshalls at 8 ohm so i buy quads of 8 ohm speakers and wire them up series parallel to get an 8 ohm load with one 4x12 cab. Speaker wiring configurations there are two ways you can wire a 4x12 or 4x10 for that matter the main one is series parallel. Marshall used this type of jack switch to automatically set the speaker selection. The diagram below shows the wiring of a marshall 2x12 speaker cab having a.

Mono stereo 4x12 cabinet wiring diagram on. In this set of wiring diagrams all speakers in the same cabinet are the same. 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 work. July 11 2009 03 25 22 pm does anyone have a wiring diagram for a mono stereo jack switch assembly for a 4x12 cabinet.

4 x 8 ohm speaker 8 ohm.