Question - HW-101

[k4kgw]

Sounds as if you might have one or more electrolytic caps that are in need of changing.

Keith

Mike Hardie wrote:

> My good old HW-101 has developed an interesting characteristic.  Shortly
> after being switched "on" there's a weak motorboating sound on the speaker
> (or headphones) that increases in frequency over about 10 seconds, then the
> audio is normal. The rig operates as usual after that.  A faint flickering
> of the voltage regulator tube is visible that corresponds to the
> motorboating but substituting a new tube doesn't change anything.  Has
> anyone else experienced this?
>
> Mike ve7mmh at: hardiem at intergate.ca
>
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