As another one who swears by his crud-o-ject, I have one question.
Are the 88mH telephone inductors still available anywhere?
Don't need any, just curious...
On Jul 27, 2006, at 7:35 PM, Tim Duffy K3LR wrote:
> Hi Don!
>
> My favorite outboard filter to reduce high end QRM and hiss is the
> SCAF-1 by
> Idiom press. Bob, W9KNI knows CW and his filter is super. I have to
> confess that
> I really like my home built Crud-O-Ject, but the SCAF-1 does a much
> better job.
>
> Check out:
> http://www.idiompress.com/scaf-1.html
>
> 73!
> Tim K3LR
>
> k8bb@comcast.net wrote:
>
>> I notice that most amateur transceivers, even most (all?) high-end
>> units,
>> have quite "hissy" audio amplification. I find this particularly
>> irritating
>> but I have ignored it or otherwise dealt with it until it doesn't
>> bother me
>> anymore. However, I have *excellent* hearing and I would like to
>> keep it
>> that way - pumping high-freqency, white-noise hiss (even very low
>> level)
>> through my headset until I become desensitized to it is not
>> looking out for
>> a healthy future. :-)
>>
>> Anybody use an audio filter to get rid of your rig's audio
>> amplifier noise?
>> I have a Heathkit HD-1418 audio filter on one of my radios which
>> is a most
>> excellent variable audio filter, but the audio amplifier in it is
>> not much
>> cleaner than my rig. I have also seen the SCAF-1 by Idiom Press
>> that is
>> intended to help low-level filter blow-by (etc.) but supposedly
>> also helps
>> fix "white noise" hiss and stuff. Anybody use one? Does it work
>> for this
>> purpose?
>>
>> Can anybody offer an alternative solution for somebody who still has
>> very-wide-frequency hearing? I am not really looking for a "ham
>> radio audio
>> filter" as much as I am looking to improve the poor-quality audio
>> coming
>> from the audio amplification stage of my receivers.
>>
>> Thanks!
>> Don Chisholm K8BB
>> Pontiac, MI
>>
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>
>
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-Jack Brindle, W6FB
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