[RFI] Noisy PC Speakers
Dave Cole
dave at nk7z.net
Sat Sep 19 19:02:13 EDT 2020
Ferrite up all leads into and out of the speakers... RFI will go away.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources
On 9/19/20 3:46 PM, Tony wrote:
> On 9/19/2020 2:28 AM, Mike NA6MB wrote:
>> Great speakers !
>> http://www.westmountainradio.com/product_info.php?products_id=COM_spkr
>> No RFI given and none taken. NA6MB
>
> Thanks for the info Mike. I noticed that they give you the option of
> powering the speakers with the supplied AC adapter or the PC USB
> connection.
>
> Curious to know if you noticed any RFI when running the PC connection?
>
> Tony -K2MO
>
>
>>
>>
>>
>> On 9/18/2020 9:10 PM, Tony wrote:
>>> All:
>>>
>>> Purchased a set of USB-powered PC speakers which turned out to be
>>> very noisy on HF. The speakers are made by Mica model PB20i.
>>>
>>> See:
>>> https://www.amazon.com/gp/product/B07VTS62L6/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
>>>
>>>
>>> Tony - K2MO
>>>
>>>
>>> _______________________________________________
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>>
>
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