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<blockquote data-quote="CBFryman2" data-source="post: 2129788" data-attributes="member: 565445">Which is the main problem with SPL ratings. If there was a standard frequincy for each type of driver and they did a real world anecho testing 1w/1m then it would be a far greater judge. Drivers that are rated at 89dB 1w/1m correctly could prove to be 70dB 1w/1m at 40Hz... in a range where it actually will play.Prime example would be audiobahn. Not only do these drivers have a 98dB 8w/1m but they also have this uncanny ability to play louder above 100Hz as well, where less displacement and power is needed to get equally loud.And jsut choosing one frequincy would be unfair for some drivers. Average for a frequincy range would be better.But in the end a higher efficency will yeild a higher SPL number at some point as it should be the loudest it can get...no particualr range or frequincy (IIRC). But that doesnt matter once you put it in a box in a car with more than one watt and most importantly, in a given frequincy range.So what am I saying in my rableing? Both points of viewing the issue are correct. Which is more correct is another issue to be discussed.</blockquote>

[QUOTE="CBFryman2, post: 2129788, member: 565445"] Which is the main problem with SPL ratings. If there was a standard frequincy for each type of driver and they did a real world anecho testing 1w/1m then it would be a far greater judge. Drivers that are rated at 89dB 1w/1m correctly could prove to be 70dB 1w/1m at 40Hz... in a range where it actually will play. Prime example would be audiobahn. Not only do these drivers have a 98dB 8w/1m but they also have this uncanny ability to play louder above 100Hz as well, where less displacement and power is needed to get equally loud. And jsut choosing one frequincy would be unfair for some drivers. Average for a frequincy range would be better. But in the end a higher efficency will yeild a higher SPL number at some point as it should be the loudest it can get...no particualr range or frequincy (IIRC). But that doesnt matter once you put it in a box in a car with more than one watt and most importantly, in a given frequincy range. So what am I saying in my rableing? Both points of viewing the issue are correct. Which is more correct is another issue to be discussed. [/QUOTE]

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