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OHms
- Thread starter Slaphound
- Start date
The non-technical way would be to pull a speaker and check it's impedance rating and see how they are wired together. Otherwise, get a meter and read the impedance of the cab - the DC reading should be slightly lower than the standard impedance reading (ie a reading of 3.6 = a 4 ohm cab).
Remove the driver and look at the markings, if any, on the driver. But b/t all the knowledable folks on this forum we can probably guess correctly 90% of the time. What cab? How many drivers in it? I was just editing my post to add what Coreyfyfe said about measuring the cab...he beat me to it.
Its a 115 cab. I don't want to open it up as its not my cab. Can I plug a 1/4 inch cable into the Jack and measure from there?
billfitzmaurice
Commercial User
- Sep 15, 2004
- 16,860
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- Owner, Bill Fitzmaurice Loudspeaker Design
It's not ohms, it's impedance, measured in ohms. Use a DMM or ohm meter, measure the DC resistance of the speaker. The DC resistance will be roughly 70% of the impedance. Most 8 ohm speakers will be between 5 and 6 ohms DCR.
You will need a set of aligator clamps, a car battery and a shaved scrotum. The amount of "tingle" experienced will indicate the cab's impedance. More "tingle" means lower impedance.
Or you could do the multimeter thing.
Or you could do the multimeter thing.
