Looking for info on EMI/RFI attenuation on Furman ss-6b

>
> I was looking at a low cost temporary line filtering solution for a
> computer that I think has a dicey power supply. I was wondering if
> anyone had any idea of what the filtering was on this model (ss-6b).
> It's about $30. I know that their more expensive filters have "linear"
> filtering but I'm still learning what exactly this means. I couldn't
> find any info on Furman's web site.
>
> Thanks, Alan
>

> Just to show that I'm not completely sitting on my butt. I found this
> in a related product the M-10. Nothing on the ss-6b. But I'm guessing
> it's similar. It's basicly low pass filtering. Now I just need to find
> out what that does on an AC circuit and I'm sure I'll need to learn
> something else to understand that" I call this a recursive problem
> :-). I do have an idea of what a low pass filter does on audio so I'm
> guessing its similar.
>
> "RFI/EMI INTERFERENCE: Noise from RFI
> (Radio Frequency Interference) or EMI (Electro
> Magnetic Interference) involves lower voltages
> and less energy than is found in spikes, but it is
> continuous rather than transient in nature. It is
> not likely to cause damage, but it can certainly
> be annoying, producing static in audio circuits,
> "snow" on video screens, or garbled data in
> computers. Noise can be introduced into AC
> lines by nearby radio transmitters, certain kinds
> of lighting, electric motors, and other sources.
> Because noise occurs at higher
> frequencies than the 50 or 60 Hz AC line, it can
> be effectively reduced through use of low-pass
> filtering."
>
>
> --- In [hidden email], "abailey63" <abailey63@...> wrote:
>>
>> I was looking at a low cost temporary line filtering solution for a
>> computer that I think has a dicey power supply. I was wondering if
>> anyone had any idea of what the filtering was on this model (ss-6b).
>> It's about $30. I know that their more expensive filters have "linear"
>> filtering but I'm still learning what exactly this means. I couldn't
>> find any info on Furman's web site.
>>
>> Thanks, Alan
>>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

> > I know that their more expensive filters have "linear"
> > filtering but I'm still learning what exactly this means. I couldn't
> > find any info on Furman's web site.
>
> I've got the more expensive Furman power strips with linear filtering.
> They are definitely more tolerable to me than cheap power strips with
> capacitors. They also reduce the noise readings on the Stetzerizer
> meters on the surrounding outlets.
>
> Furman claims that the cheap filters lower the lower frequencies, but
> then may raise or cause spikes at some higher frequencies. "Linear"
> filtering is supposed to not raise the higher frequencies or cause
> spikes.
>
> Marc
>
>

>
> > I know that their more expensive filters have "linear"
> > filtering but I'm still learning what exactly this means. I couldn't
> > find any info on Furman's web site.
>
> I've got the more expensive Furman power strips with linear filtering.  
> They are definitely more tolerable to me than cheap power strips with
> capacitors. They also reduce the noise readings on the Stetzerizer
> meters on the surrounding outlets.
>
> Furman claims that the cheap filters lower the lower frequencies, but
> then may raise or cause spikes at some higher frequencies. "Linear"
> filtering is supposed to not raise the higher frequencies or cause
> spikes.
>
> Marc
>

>
> Greetings,
> Charles Claessens
> member Verband Baubiologie
> www.milieuziektes.nl
> www.milieuziektes.be
> www.hetbitje.nl
> checked by Bitdefender
>
> ----- Original Message -----
> From: "abailey63" <abailey63@...>
> To: <[hidden email]>
> Sent: Wednesday, September 10, 2008 9:46 AM
> Subject: [eSens] Re: Looking for info on EMI/RFI attenuation on

>
>
> > Just to show that I'm not completely sitting on my butt. I found this
> > in a related product the M-10. Nothing on the ss-6b. But I'm guessing
> > it's similar. It's basicly low pass filtering. Now I just need to find
> > out what that does on an AC circuit and I'm sure I'll need to learn
> > something else to understand that" I call this a recursive problem
> > :-). I do have an idea of what a low pass filter does on audio so I'm
> > guessing its similar.
> >
> > "RFI/EMI INTERFERENCE: Noise from RFI
> > (Radio Frequency Interference) or EMI (Electro
> > Magnetic Interference) involves lower voltages
> > and less energy than is found in spikes, but it is
> > continuous rather than transient in nature. It is
> > not likely to cause damage, but it can certainly
> > be annoying, producing static in audio circuits,
> > "snow" on video screens, or garbled data in
> > computers. Noise can be introduced into AC
> > lines by nearby radio transmitters, certain kinds
> > of lighting, electric motors, and other sources.
> > Because noise occurs at higher
> > frequencies than the 50 or 60 Hz AC line, it can
> > be effectively reduced through use of low-pass
> > filtering."
> >
> >
> > --- In [hidden email], "abailey63" <abailey63@> wrote:
> >>
> >> I was looking at a low cost temporary line filtering solution for a
> >> computer that I think has a dicey power supply. I was wondering if
> >> anyone had any idea of what the filtering was on this model (ss-6b).
> >> It's about $30. I know that their more expensive filters have

> >> filtering but I'm still learning what exactly this means. I couldn't
> >> find any info on Furman's web site.
> >>
> >> Thanks, Alan
> >>
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>

>
> Hi Charles,
>
> Is there a url for this. Is this accessible without a subscription.
> I found an earlier post for a Nov 2007 issue in pdf. But I can't quite
> decipher the pattern in the url. Unfortunately I only understand
> English. So navigating the site is well, "challenging".
> I'm afraid I'm an American and ... you know... couldn't translate my
> way out a paper bag :-)
>
> --- In [hidden email], "charles" <charles@> wrote:
> >
> > Hello,
> >
> > the September 2008 issue of *het bitje* explains a lot about those
> filters.
> >
> > Greetings,
> > Charles Claessens
> > member Verband Baubiologie
> > www.milieuziektes.nl
> > www.milieuziektes.be
> > www.hetbitje.nl
> > checked by Bitdefender
> >
> > ----- Original Message -----
> > From: "abailey63" <abailey63@>
> > To: <[hidden email]>
> > Sent: Wednesday, September 10, 2008 9:46 AM
> > Subject: [eSens] Re: Looking for info on EMI/RFI attenuation on
> Furman ss-6b
> >
> >
> > > Just to show that I'm not completely sitting on my butt. I found

> > > guessing its similar.
> > >
> > > "RFI/EMI INTERFERENCE: Noise from RFI
> > > (Radio Frequency Interference) or EMI (Electro
> > > Magnetic Interference) involves lower voltages
> > > and less energy than is found in spikes, but it is
> > > continuous rather than transient in nature. It is
> > > not likely to cause damage, but it can certainly
> > > be annoying, producing static in audio circuits,
> > > "snow" on video screens, or garbled data in
> > > computers. Noise can be introduced into AC
> > > lines by nearby radio transmitters, certain kinds
> > > of lighting, electric motors, and other sources.
> > > Because noise occurs at higher
> > > frequencies than the 50 or 60 Hz AC line, it can
> > > be effectively reduced through use of low-pass
> > > filtering."
> > >
> > >
> > > --- In [hidden email], "abailey63" <abailey63@> wrote:
> > >>
> > >> I was looking at a low cost temporary line filtering solution for a
> > >> computer that I think has a dicey power supply. I was wondering if
> > >> anyone had any idea of what the filtering was on this model

> > >> find any info on Furman's web site.
> > >>
> > >> Thanks, Alan
> > >>
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
>

> Hi Charles,
>
> Is there a url for this. Is this accessible without a subscription.
> I found an earlier post for a Nov 2007 issue in pdf. But I can't quite
> decipher the pattern in the url. Unfortunately I only understand
> English. So navigating the site is well, "challenging".
> I'm afraid I'm an American and ... you know... couldn't translate my
> way out a paper bag :-)
>
> --- In [hidden email], "charles" <charles@...> wrote:
>>
>> Hello,
>>
>> the September 2008 issue of *het bitje* explains a lot about those
> filters.
>>
>> Greetings,
>> Charles Claessens
>> member Verband Baubiologie
>> www.milieuziektes.nl
>> www.milieuziektes.be
>> www.hetbitje.nl
>> checked by Bitdefender
>>