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Re: Isolation headphones

Subject: Re: Isolation headphones
From: "Philip Tyler" macmang4125
Date: Thu Dec 13, 2007 1:41 am ((PST))
Koss used to make a pair of headphones (Pro 4AA's?) that had oil-filled ear=
 surrounds that were quite impressive at isolation as they moulded themselv=
es to your head. The down side was that they quickly became very uncomforta=
ble to wear!


----- Original Message ----
From: Dan Dugan <>
Sent: Thursday, 13 December, 2007 6:43:36 AM
Subject: Re: [Nature Recordists] Isolation headphones

            >I continued to be disappointed with headphones (not earphones)=

>claim to be isolation headphones. Can anyone recommend a model that

>gives say 40db(A) isolation?

That may be an unrealistic expectation. The best I know are

UltraPhones, rated at 29 dB isolation.

http://gk-music. com/ultraphones. htm

-Dan Dugan

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