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What does bass roll off mean?

post #1 of 6
Thread Starter 
Hi all,

As above. I'm not really an audiophile so could someone explain all these technicalities to a layperson?

Thanks a bundle!
post #2 of 6
The term "roll off" as we use it means an attenuation of a certain part of the frequency response of a headphone. Here are some examples:



Here, the deep bass frequencies are rolled off.



Here, the roll off starts at around 1khz. Although to me, this could be more accurately be described as a "suckout"; a severe attenuation of a small part of the frequency range.
post #3 of 6
Generally this refers to the frequency response dropping off quite noticeably towards the lower frequencies in the bass region. This typically lends bass a certain softness.
post #4 of 6
Looks like I was a wee bit too slow again.
Quote:
Originally Posted by PiccoloNamek View Post


Here, the roll off starts at around 1khz. Although to me, this could be more accurately be described as a "suckout"; a severe attenuation of a small part of the frequency range.
One should, however, read IEM FR graphs with a bit of caution, as what one sees quite obviously strongly disagrees with what one hears when compared to "full-blown" cans. (From the ER-6 graph you'd be hard pressed to tell that these beasts are quite thin-sounding indeed, and people tend to term the E500 neutral though it doesn't really look like it on the graph.)
post #5 of 6
True. There are no outer ear interactions with IEMs, and they are equalized accordingly. Well, ideally, anyway.

Although I've never, ever heard anyone call the E500 neutral.
post #6 of 6
Thread Starter 
Erm..... thanks for the charts and explanations
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