HW-101 Audio scratchy

[Mark Graalman WB8JKR]

  I'd dump the mic. D-104's have a lot of highs, and
you certainly don't need that preamp!

73,  Mark  WB8JKR


On Mon, 28 Jan 2002 22:16:36 +0000 Paul Hendershott
<pjhend at AMERITECH.NET> writes:
> Hi Guys!
> Having a problem with "scratchy audio" reports on my HW-101. I only
> put
> about 100 hrs CW on it, before I updated to Tech (Oh, the lure of
> 2meter
> phone privilages!) and put it away in storage for the last 27 years.
> It
> still looks as nice as the day I finished building it in 1975 and
> the
> receiver is 100% strong and still perfectly aligned! Amazing!
> The problem I have is this: I picked up a D-104 w/ 9V pre-amp on
> QTH.com
> that the owner said worked FB and wired it up for the "101". I
> worked a
> good # of stations from 40-10m today but most folks said my audio
> was
> very "understandable" but also very "scratchy". Should I look first
> at
> the mic? Or is there something obvious in the audio circuit that
> commonly fails after long periods of inactivity. I have very limited
> test equipment but a fair supply of old tubes.
> I welcome any and all suggestions. Thanks!
> 73
> Paul    KB9YVP    K2 #2278
>
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