Unofficial Mackie User Forums > Speakers

Love for the old passive C300's

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Greg C.:

--- Quote from: RoadRanger on June 11, 2013, 06:51:32 PM ---Also Neo is a bit more sensitive to being demagnetized by heat than Ceramic/Ferrite.

--- End quote ---

True. But there was a paper published recently that clearly demonstrated that the amount of heat generated by loudspeaker usage was far below the threshold to cause that issue.

RoadRanger:
They've pretty much solved the Neo demagnetization issue with newer alloys. It was a definite problem with some of the first Neo speakers :( .

CyberHippy:
The magnets in the SRM450 were ceramic, that change may have happened with more recent versions.

(I used to work at a speaker repair shop, so I have a clue about the differences between AlNiCo, ceramic & neodymium)

Greg C.:
I know they use them for sure in the v2 model. Can't say for sure with the generation right before that.

CyberHippy:
They were v1 and the magnet was heavy, but not nearly as heavy as the old c300's

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