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Re: Isolation headphones

Subject: Re: Isolation headphones
From: "Chris Edwards" chris2edwards
Date: Thu Dec 13, 2007 3:59 pm ((PST))
On Thu, 13 Dec 2007, Russell Dawkins wrote:

| I use a pair of Etymotic ER4Ss under a pair of Howard Leight  Thunder =

| 29  folding shooters' ear muffs for maximum isolation. I figure I'm
| getting roughly 60 dB.

Where you get the 60dB figure from ?  Adding the attenuation of the er4s
and the shooters muffs - does it really work like that ?

According to Mike Feldman's earlier post, your itself head is too leaky...

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