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Re: TASCAM DR-100 MK2 & SONY MDR-7506 Phones

Subject: Re: TASCAM DR-100 MK2 & SONY MDR-7506 Phones
From: "Eric Fassbender" eric.fassbender
Date: Wed Feb 6, 2013 4:13 pm ((PST))
Agreed Dan, I would probably say that it's a 25db attenuation figure is more 
realistic/true.

Cheers,

Eric


On 07/02/2013, at 3:01 AM, Dan Dugan <> wrote:

> > I use the Sennheiser HD 280. They are very good cans that are mostly used 
> > by DJ's because they are closed circumaural headphones with 32db reduction 
> > of external noise. I find that when I use these cans for sound recordings 
> > that I ask myself repeatedly "did that sound just come from outside the 
> > headphones?", yet, it hasn't. They isolate so well that everything you hear 
> > comes through the microphones, the recorder and the headphones. 
> 
> That 32dB figure is misleading. Probably true for like 8KHz but much less 
> lower down. I know because I bought that model for a scientific experiment 
> where people were listening to natural environments at calibrated natural 
> levels, in a closet with activities going on outside. Simply not adequate, 
> and I had to eat crow. I went for the airport-worker type isolators modified 
> with headphone drivers and those did the trick. I'm not being coy about the 
> name, no internet on this airplane. I think they were Superphones or 
> something like that.
> 
> -Dan
> 
> 










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