[Elecraft] My K3's hissy and noisy audio

[Bryan, ZL1NI]

Using Heil ProSet here and very satisfied with the K3's audio for
communications use.

Bryan, Zl1NI

> 
> On the other hand, plug a Heil ProSet with its 200 Ohm elements
> into an unmodified K3 and the -3dB point is 80 Hz ... low enough
> for communications use without being overly sensitive to hum and
> other low frequency noise,   Similarly, with 8 Ohm speakers, the
> -3 dB point is 40 Hz with the 470 uF coupling capacitors in the
> speaker amp.
> 
> 73,
> 
>    ... Joe, W4TV