[Boatanchors] [Test-Equipment] question

[J. Forster]

The K-H filters are certainly usable in the audio. They can be make a good
sound system sound like a telephone in bandpass mode and a bunch of other
things. They could likely filter out an annoying tone as a notch filter. I
don't remember how good the noise floor is, but it's likely pretty good.

In the lab, they are useful for cleaning up signals. Most are high
pass/low pass/band pass/band reject.(Not all at the same time)

Note, My comments refer to engineering based audio, NOT audiophoolery.

Best,
-John

=============



> Hi. It's time for "Ron's dumb question of the week"......
>
> I notice that on ePay, there are a lot of Krohn-Hite 'Band Pass
> Filters', at some pretty good prices (I suppose).  I have a K-H
> function generator and it is VERY well made and $.
> How would one of these filters work as an audio filter??
> Some have the ability to do both high pass and low pass at the same
> time, others let you choose one or the other. I have quite a few audio
> filters here, but thought that one of these K-H filters configured to
> cut off below, say, 700 Hz and above 750 Hz would make a heck of an
> audio filter for CW.
>
> Or would it?? It seems that can function from just a couple of Hz up to
> waaay beyond our hearing limit..
>
> thanks!!!!
>
> ron
> N4UE
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