Quote:
Originally posted by jujueye
Yeah, that's the basics of it. Think of high "ohm" numbers as lower "pressure" on the amplifier. So a 16 ohm speaker will place less strain on the amp than a 4 ohm speaker. If you are running these off of your stock system, you should be just fine. Drop it in and give it a listen. If if really sounds too quiet, you might shop for a 4 ohm tweeter, but it shouldn't make a huge difference.
The rating on speakers is usually posted as an average, and likely at a specific frequency. Most response curves for this particular rating go up and down depending on the frequency they are playing.
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I think you got that backwards. A 16ohm speaker has 4 times as much resistance as a 4ohm speaker. So, a 16ohm speaker requires a lot more power to drive.
The reason car speakers are generally 4ohm or less is to get the most power out of a car's limited availability. House speakers are generally 8ohm, but the amp is plugged into the wall, so who cares.