> From: Marc Martin <[hidden email]>
> Subject: [eSens] Filter comparison II
> To: [hidden email]
> Date: Monday, April 5, 2010, 7:28 PM
> Hi all,
>
> Okay, here a new round of power line filter testing, with
> some new
> additions and the elimination of filters that made no
> difference.
>
> KEY
> Furman = Furman PST-10D power strip
> Power Sentry = Power Sentry 6-outlet power strip
> Blue Circle = Blue Circle Power Line Pillow MkIII (parallel
> filter)
> Noise Harvester = PS Audio Noise Harvester (parallel
> filter)
> Isobar New = Tripp Lite Isobar new version
> Isobar Old = Tripp Lite Isobar old version, -75db outlet
> Brickwall = Brick Wall Surge Suppressor
> Stetzer = reading on the Stetzer meter
> Entech = reading on the Entech meter
>
> NO VACCUUM, MEASURE NOISE AT WALL OUTLET WHEN THESE DEVICES
>
> ARE PLUGGED INTO THE OTHER OUTLET
>
> No filter       Stetzer=190
> Entech=59
> Furman          Stetzer=130
> Entech=23
> Power Sentry    Stetzer=240 Entech=5
> Blue Circle     Stetzer= 95 Entech=2
> Noise Harvester Stetzer=153 Entech=0.3
> Isobar new      Stetzer=200 Entech=20
> Isobar old      Stetzer=180 Entech=66
> Brickwall       Stetzer=135
> Entech=55
>
> NO VACUUM, FILTER PLUGGED INTO WALL OUTLET, MEASURE NOISE
> AT
> FILTER OUTLET (FILTER OUTPUTS)
>
> Furman          Stetzer= 30
> Entech=0.1
> Power Sentry    Stetzer= 80 Entech=4
> Isobar new      Stetzer= 40 Entech=3
> Isobar old      Stetzer= 54 Entech=0.1
> Brickwall       Stetzer=100
> Entech=0.2
>
> VACCUM ON AND PLUGGED INTO FILTER (OR PARALLEL DEVICE USED
> IN ANOTHER WALL OUTLET), MEASURE NOISE AT OTHER WALL
> OUTLET
>
> No filter       Stetzer=1100
> Entech=176
> Furman          Stetzer=370 
> Entech=20
> Power Sentry    Stetzer=1000 Entech=44
> Blue Circle     Stetzer=500 
> Entech=17
> Noise Harvester Stetzer=700  Entech=2.5
> Isobar new      Stetzer=570  Entech=21
> Isobar old      Stetzer=1000 Entech=80
> Brickwall       Stetzer=570 
> Entech=62
>
> VACUUM ON AND PLUGGED INTO WALL OUTLET, FILTER PLUGGED
> INTO OTHER WALL OUTLET, MEASURE NOISE AT FILTER OUTLET
> (FILTER OUTPUTS):
>
> No filter       Stetzer=1100 
> Entech=170
> Furman         
> Stetzer=400   Entech=0.6
> Power Sentry    Stetzer=1100  Entech=38
> Isobar new     
> Stetzer=600   Entech=5
> Isobar old      Stetzer=1000  Entech=2
> Brickwall   
>    Stetzer=600   Entech=1
>
> Marc
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>     [hidden email]
>
>
>