There is an old myth about pickups and ohms.  Though I understand the misunderstanding of higher ohms equals a hotter pickup.  You take an electrical meter, measuring the ohm of a pickup, the numbers climb up high and viola, you think its a hot pickup.  

Disclaimer:I never went to any electrical engineer school nor picked up a book, I learned over the years of experience from having a father who was a junker. We would spend hours trying to power electrical toys that were broken to enhancing sound systems to be louder.

That said, in my experience I find that low reading ohms are the hot tamales.

Ohm expresses the resistance. Yes, the resistance not the power. So a higher ohm pickup, lets say @20 ohm, will be more resistant to voltage than a 3 ohm pickup. 

The less ohms, the less resistance the voltage has to put up with, which means more raw power going in.

The more ohms, the more barriers the voltage goes through lessening its strength.

In fact, I don't know how a passive device such as a pickup can even be considered "hot" just because it has a high ohm reading.

Its like speakers. Two speakers at 50 watts each but one is rated at 8 ohm and the other 2 ohm.  The speaker rated at 2 ohm will be the louder and hotter one, maybe even fry the amp to death if it can't handle 2 ohm speakers.

Well rant over, I just wanted to show that higher ohm do not mean hotter pickups.

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