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. Explanation of speaker loads and impedances; how to wire guitar speakers in series, cabinet impedances; wiring diagrams including switched mono/stereo cabinets. The diagram below shows the wiring of a Marshall® 2x12" speaker cab.
Please try to make sure that each speaker is approximately the same SPL (see SPL Discussion for more information on this topic). In this set of wiring diagrams, . Here is a link to a page that describes speaker wiring generically and mathematically (with equations).
Please Note: The L wiring diagram above shows six ohm speakers, but at least one L cab I've seen has had Parallel 2x It is important to match the speaker load with your amplifier's output impedance for a couple of reasons. One reason is that you will get maximum transfer of.This speaker wiring diagram is the same as the previous, but with 8-ohm speakers.
As above, i think of each set of speakers (left; right) as their own parallel circuit, which are then connected together in series. The diagram below shows the wiring of a Marshall ® 2x12" speaker cab having a Mono/Stereo selection switch and two specialized input jacks.
When the Mono/Stereo switch is set to "Mono", the two 8Ω speakers are wired either in series (making a 16Ω cab) or in parallel (making a 4Ω cab), depending on which jack you use. Oct 24, · I know this should be simple, but I cannot find a diagram [that I fully comprehend] to wire my 2x12'' cabinet to stereo and mono operation.
I'd like two jacks, one would be both 8ohm speakers in parallel for 4ohm mono and when the second jack is plugged in each jack would be for each individual 8ohm speaker, or stereo. Note: For 4 speaker solutions see: Wiring a 4 X 12 Speaker cabinet This Web page contains a lot of information that may be new to you.
You may need to find someone who is knowledgeable about reading electronic schematics to help understand what some of this information is telling you. The diagram above shows us that the ohm speakers now offer a total 4 ohm impedance.
We hope this has been of some help in choosing the correct wiring or speaker configuration to achieve the best sound from your amp.Jumbo Sunshade - Stereo Speaker Wiring DiagramsSpeaker Loads and Wiring
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