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Re: 135 dbSPL possible from commercial earphones / earpieces?

Here's a handy web page I found once that gives a table of commercial headphone specs:


According to this page, 130 dB SPL is about the limit.

Dan Freed
Senior Engineer, Hearing Aid Research Lab
House Ear Institute
2100 W. Third St.
Los Angeles, CA  90057  USA
Phone: +1-213-353-7084
Fax: +1-213-413-0950
Email: dfreed@hei.org

-----Original Message-----
From: AUDITORY Research in Auditory Perception
[mailto:AUDITORY@LISTS.MCGILL.CA]On Behalf Of Richard H.
Sent: Tuesday, June 29, 2004 1:24 AM
Subject: 135 dbSPL possible from commercial earphones / earpieces?


I have a hard-of-hearing family member wants to use a portable radio with earphones / earpieces ... but will need a LOT of audio
[She has a conductive loss, so a simple power boost will be fine ... her hearing discrimination etc is normal]

Before I go any buy any headphones or earpieces from the local hi-fi shop, can anyone tell me if 125 - 145 dbSPL is achievable with
off-the-shelf headphones or earpieces? Or will they simply distort the sound and then fall to pieces?



Richard (UK)