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@icmb seems knowledgeable on this kind of stuff. What wattage is the speaker/amp?
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If it is the jack, replace it with the same type - if it's one like this
then it's best to use one, not a guitar jack.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
The amp is 20W going into a 400W EVM speaker!
The first part I’m struggling with a bit (I am that dumb!) Are you saying I should plug in a lead and test one probe against that then the other probe at the speaker terminal?
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
were right about the jack - it tested fine and so did the wires so it must be the speaker. I tested it again with the multimeter and there is no reading. However, if I swap the probes round - so they don’t match - I get a reading of 15ohms. Does that sound right? This must be the reason I thought it was okay when I first tested it. I also tried testing with a 9v battery and no result.
I thought EVMs were supposed to be virtually indestructible? The cab stopped working after I took it somewhere in the car so there would have been some movement and vibration but it wasn’t dropped or anything like that.
Disconnect the speaker and very carefully meter it by putting the probes onto the cone braids themselves - be careful not to tug on them. If you get a good reading there (6-7 ohms for an 8-ohm speaker, or 12-14 ohms for a 16) then it sounds like a connector problem.
If that's still no good it is also possible that there could be a manufacturing fault in the voice coil - very rare, but it can happen, probably even on an EV.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein