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Quality of headphones vs ohms

post #1 of 3
Thread Starter 

So does more resistance (ohms) result in more accuracy? For example, the Beyerdynamic DT 770 is available in 32, 80, and 250 ohm varieties. Besides portability, what other factors influence choices (between a range of the same headphone. ie, models of the 770)? If portability was the single factor, then the lowest impedance headphone would reign supreme. But that doesn't seem to be the case. (Or is it?)

 

Relelvant linK: http://north-america.beyerdynamic.com/shop/hah/headphones-and-headsets/dj/dt-770-pro.html

post #2 of 3

The LCD-3 and the Shure SRH 1840 are headphones with a very low impendence, yet they sound amazing. So I wouldn't judge a headphone's quality based on it's resistance. 

 

If portability is a big factor, then something that is easy to drive would be the best choice. You can't rely solely on impendence for that. For example:

 

My AKG headphones (low impendence headphone) definetly needs amping, else they sound unpleasant unlike the Shure SRH 1840 which sounds excellent without a headphone amp.

post #3 of 3

What do you mean by accuracy? This seems to be a word that means different things to different people, and is sometimes rather subjective. Whereas resistance is a pretty objective measurement, and is fairly repeatable with decent equipment. It is quite tricky at best to translate something objective into another largely subjective thing, and IMO is not meaningful.

 

If you mean frequency response difference between the different models, there are some existing measurements available, although you have to look at the methodology closely to make sense of it. http://www.headphone.com/learning-center/how-we-measure.php

Golden Ears have measurements of the different versions of DT880 here http://en.goldenears.net/11302 and a bunch of articles on how to read graphs and how they measure.

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