Search found 4 matches

by plop99
Wed Mar 16, 2005 11:40 am
Forum: The Silent Front
Topic: DBAdder -- adds up decibels correctly!
Replies: 5
Views: 2425

I'm home now and the download link works fine. I was using an NT4 (ie5?) machine at work before which may explain why the download didn't start automatically. :D
by plop99
Wed Mar 16, 2005 9:17 am
Forum: The Silent Front
Topic: DBAdder -- adds up decibels correctly!
Replies: 5
Views: 2425

Hi, www.PCSilensieux.com should be spelt www.PCSilencieux.com. Also, I can't seem to download the file from your software area - the link just takes me back to the spcr home page.

thanks
by plop99
Wed Mar 09, 2005 9:10 am
Forum: Fans and Control
Topic: Are 2 fans noisier than 1 blowing the same CFM?
Replies: 64
Views: 162837

sthayashi , thanks for the info about the meter. I didn't spot that lab tour page - the B&K 2203 is a classic old design (early 70s I recall) and was normally shipped with a Type 4145 mic. I presume that this is the mic that is being used with the meter at the moment? Anyhow, the thermal noise from...
by plop99
Wed Mar 09, 2005 4:00 am
Forum: Fans and Control
Topic: Are 2 fans noisier than 1 blowing the same CFM?
Replies: 64
Views: 162837

A very interesting post, but I have a more general question for MikeC - what type of sound level meter are you using that allows you to measure down to 15dBA? I don't know of any sound level meters that will accurately measure down to that level. It appears to me that in this instance you may have s...