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Re: Audio Hum on External Speaker

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  • Rick Coate
    Hi Robert, Thanks for the tip, this was exactly the problem as I was using a small KLH bookshelf speaker for my 897D. Once I switched to a Motorola-type
    Message 1 of 5 , Sep 1, 2011
      Hi Robert,

      Thanks for the tip, this was exactly the problem as I was using a small
      KLH "bookshelf" speaker for my 897D. Once I switched to a Motorola-type
      communications speaker, the hum went away.

      Good call, thanks again.

      Rick
      K0RSC

      On 8/29/2011 7:15 AM, Robert Scott wrote:
      > A while back I was experimenting with different external speakers, and
      > while trying a hi-fi type speaker with a wide frequency response, I
      > also noticed an ac hum while on 2m. I've had the radio about 7 years
      > and hadn't noticed it before, so I assumed it had alway been there but
      > didn't show up as long as I used a communications type speaker with
      > the audio below say 100hz rolled off. Just my thoughts.
      > Robert
      > KC5PRG


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