Marshall 4x12 Cabinet Wiring Diagram
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.
Marshall 4x12 cabinet wiring diagram. How to properly wire a 4x12 speaker cabinet. The green wires in the diagram are the same as the blue wires in scott s photo it just looks may 30 i have two marshall vs model 4x12 cabinets and use a marshall and jmp1 setup. 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. Always be sure your amp head is set to the total load.
4 x 16 ohm speaker 16 ohm load back to guitar tech celestion unit 111 claydon business park great blakenham ipswich ip6 0nl united kingdom. 4x12 mono stereo switching facilities 1960a 1960b 1960av 1960bv. 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. Wiring up a 4x12 cab.
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. 16 ω celestion g12m greenback speakers in a vintage 1968 marshall basketweave cab and explains how to test impedance and polarity for the. When stereo mode is selected the cabinet is split into two 8 ohm halves for use with a stereo power amp. So for example if you have two 16 ohm cabs for an 8 ohm total then set your amp to 8 ohms.
How to install speakers in a 4x12 cab part 1. There are two ways you can wire a 4x12 or 4x10 for that matter the main one is series parallel. To ensure maximum flexibility four of our 4 x 12 cabinets boast a mono stereo switching system on the back. To be honest i hadn t given that one any thought in a couple of decades and it made me think.