[Elecraft] K3 headphone level

[John King]

> 
> Our FD group used a K3 and Heil ProSet this year, and we were really
> hoping to configure the K3 to have the speaker and headphones both
> active.  When we tried to use the SPKR+PH configuration, we found that
> the speaker and headphone levels were mismatched such that when the AF
> gain was adjusted to get adequate headphone level, the speaker was
> excessively loud, to the point where the loud speaker audio was annoying
> to the operator wearing the headphones.
> 
- snip -
> ed N9EP
> 

Here's what we did for our K3 CW station at FD:

The K3's Line Out was configured for "=PHONES" (this is a
fairly new firmware feature that sends both rcv audio and
sidetone to Line Out.) The Line Out fed a 20 Watt hi-fi
audio amplifier which drove a big honkin' loudspeaker
which sat outside the CW tent. The gain pot on the audio 
amp was used to control the PA volume - we played it loud 
during the day and were a little more conservative in the 
wee hours of the morning while some of the crew caught a 
little sleep. The effect was perfect - there are few things 
as satisfying as hearing your ace CW ops running pileups 
all over the FD grounds. 

73,
  john WA1ABI