Tom,
When you try another cable, use as short of one as you can find to reach and
if there is excess, coil it up in a small coil and hold it together with
bread ties and if it works replace them with cable ties.
73's
Howard #3
----- Original Message -----
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, May 08, 2012 1:58 PM
Subject: Re: Interesting RFI Problem
> Steve:
>
> I'm going to see if I can find another connecting cable to try.
>
> Will keep everyone posted.
>
> 73 de KB8TYJ
>
> ----- Original Message -----
> From: "Steve" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, May 08, 2012 10:46 AM
> Subject: Re: Interesting RFI Problem
>
>
>> Ok, in that case, your issue is likely RFI being introduced through the
>> connecting cable.
>>
>> I agree with another lister's comment that a small cap to ground might
>> help,
>> although it will affect the frequency response somewhat.
>>
>> It almost seems to be one of those things where it might be more bother
>> than
>> its worth if you have other speakers that are impervious to the Rf field.
>> ----- Original Message -----
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, May 07, 2012 9:56 PM
>> Subject: Re: Interesting RFI Problem
>>
>>
>>> Steve:
>>>
>>> When the speaker is disconnected from the Rig, I get no RFI. No RFI
>>> either
>>> through the TS590's internal speaker, or through any other external
>>> speakers
>>> I have tried, both amplified and nom-amplified.
>>>
>>> 73 from Tom Behler: KB8TYJ
>>>
>>> ----- Original Message -----
>>> From: "Steve" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, May 07, 2012 8:32 PM
>>> Subject: Re: Interesting RFI Problem
>>>
>>>
>>>> Did you try the speaker disconnected from your rig as well? Try
>>>> disconnecting it from both, what happens?
>>>>
>>>> You connect the quarter-wave counterpoise to your tuner/rig ground.
>>>>
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: "Tom Behler" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Monday, May 07, 2012 6:18 PM
>>>> Subject: Re: Interesting RFI Problem
>>>>
>>>>
>>>>> Martin:
>>>>>
>>>>> I tried the speaker with the wall-wart disconnected and on battery
>>>>> power,
>>>>> but no joy.
>>>>>
>>>>> I also tried chokes on both the wallwart power cord, and the speaker
>>>>> wire,
>>>>> but again, no luck.
>>>>>
>>>>> I don't have small-enough chokes to tri for both conductors in the
>>>>> speaker
>>>>> wire and the wallwart wire, but that is an interesting thought.
>>>>>
>>>>> Keep those ideas coming!
>>>>>
>>>>> Tom Behler: KB8TYJ
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Martin McCormick" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Monday, May 07, 2012 3:00 PM
>>>>> Subject: Re: Interesting RFI Problem
>>>>>
>>>>>
>>>>>> You might disconnect the speaker from the wall wart and
>>>>>> the audio source which means, of course, that you can't use it
>>>>>> right now, but see if the RFI is still audible. Then, connect
>>>>>> the wall wart but leave the audio input lead off and see if your
>>>>>> RFI comes back. It is possible that it is coming in via both the
>>>>>> audio input cable and the power cable. You might need chokes on
>>>>>> both sides of the audio input line and both conductors in the
>>>>>> power cord from the wall wart.
>>>>>>
>>>>>> Bob Martin writes:
>>>>>>> I had that problem on 40 meters with a set of Utah speakers. Tryed
>>>>>>> chokes,
>>>>>>> shortening the leads to the speakers, and finally a counterpoise for
>>>>>>> 40
>>>>>>> as I
>>>>>>> was on the second floor. The counterpoise did the trick. Made it
>>>>>>> by
>>>>>>> shorting a 33 inch of ordinary electrical wire on one end and
>>>>>>> attaching
>>>>>>> the
>>>>>>> others to the terminals on my tuner.
>>>>>>>
>>>>>>> 73:
>>>>>>> Bob Martin
>>>>>>>
>>>>>>> EchoLink Node - 55127
>>>>>>> Please visit http://www.wan-leatonks.net.
>>>>>>> ----- Original Message -----
>>>>>>> From: "Tom Behler" <[log in to unmask]>
>>>>>>> To: <[log in to unmask]>
>>>>>>> Sent: Monday, May 07, 2012 7:04 AM
>>>>>>> Subject: Interesting RFI Problem
>>>>>>>
>>>>>>>
>>>>>>> > Hi, all.
>>>>>>> >
>>>>>>> > Well, I have an interesting little RFI problem here in the home
>>>>>>> > shack
>>>>>>> that
>>>>>>> > I've been scratching my head over lately.
>>>>>>> >
>>>>>>> > At the estate sale I've been talking about, I picked up a
>>>>>>> > Realistic
>>>>>>> > 32-2040
>>>>>>> > amplified speaker. The speaker either runs on 6 C-cell batteries,
>>>>>>> > or
>>>>>>> the
>>>>>>> > supplied 9-volt wallwart.
>>>>>>> >
>>>>>>> > The speaker sounds terrific, with excellent quality audio that I
>>>>>>> > can
>>>>>>> > adjust
>>>>>>> > in terms of tone and volume from the speaker itself.
>>>>>>> >
>>>>>>> > However, when I transmit with my TS590, using my amplifier, I get
>>>>>>> > lots
>>>>>>> of
>>>>>>> > RFI through the speaker itself.
>>>>>>> >
>>>>>>> > I have tried RF chokes on both the Wallwart power cord, and the
>>>>>>> > phono
>>>>>>> plug
>>>>>>> > connection between the Ts590 and the speaker itself, but no joy.
>>>>>>> >
>>>>>>> > I have tried running the speaker just on batteries, but still get
>>>>>>> > the
>>>>>>> RFI.
>>>>>>> >
>>>>>>> > Obviously, this particular speaker is more susceptible to RFI than
>>>>>>> usual,
>>>>>>> > since I don't get the RFI at all when using other speakers such as
>>>>>>> > my
>>>>>>> > Motorola amplified speaker or just a standard external speaker.
>>>>>>> >
>>>>>>> > Does anyone have any suggestions as to what else I might try?
>>>>>>> >
>>>>>>> > I'd love to use the speaker since it sounds so good, but the RFI
>>>>>>> > issue
>>>>>>> may
>>>>>>> > make that impractical in the long run.
>>>>>>> >
>>>>>>> > 73 from Tom Behler: KB8TYJ
>>>>>>>
>>>>>>>
>>>>>>
>>>>
>>
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