A typical 4x12 cabinet is rated at 16 ohms.
Guitar speaker cabinet wiring diagrams.
Speaker wiring diagrams for 2 speaker 4 speaker guitar and bass cabinets for use with tube amplifiers wiring your guitar or bass cabinet incorrectly or using a mis matched combination of cabinet and tube amplifier.
Will at best cause excessive wear on your power tubes or at worst could result in damage failure of your tubes speakers or transformer.
Jumbo sunshade ezine.
Mono stereo cabinets the diagram below shows the wiring of a marshall 2x12 speaker cab having a mono stereo selection switch and two specialized input jacks.
Again assuming we re using the same 8 ohm 50w guitar speaker cabinets the impedance of the cabinet is 2 ohms 8 4 2 and the power handling is 50w x 4 or 200w.
For 30 watt 60 watt speakers max power handling 2x30 watt 60 watt there are two ways you can wire a two speaker cabinet.
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.
Power handling as a rule of thumb when mixing speaker types in a two speaker cabinet maximum power handling is 2 x the lowest rated speaker e g.
The following is a set of wiring diagrams for the most popular speaker cabinet configurations.
To make a four speaker 8ω cabinet put four 8ω speakers in series parallel.
And here s the wiring diagram for four guitar speaker cabinets wired in parallel.
This is your classic 4x12.
I am here to offer my guidance grasshopper.
The series parallel and parallel series configurations function the same electrically.
The names for each are interchangeable which is apparent when searching for these configurations on the web.
1 shows how to connect four 16 ohm speakers in a series parallel configuration.
2 x 8 ohm speaker 16 ohm.