[Elecraft] KX3 Audio Power

[Walter Underwood]

The KX3 jack labeled "Phones" really is for headphones, it is spec'ed for 0.1W per channel. You will need an amplifier to drive speakers.

wunder
K6WRU

On Mar 27, 2014, at 10:47 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 3/27/2014 6:02 PM, Ross Primrose N4RP wrote:
>> Just use a pair of small amplified computer speakers
> 
> Be careful about that -- most amplified loudspeakers have RFI problems.
> 
> Remember that the KX3 is specifically designed to be a backpacking rig, so everything, including the audio amp, is designed to be stingy about using battery power.
> 
> One simple thing we can do to maximize the audio output level is to use RXEQ to roll off the lower three bands. The sound in these lower bands makes no contribution to communications, but it does use power, so when we get rid of it, we can use the power for the sound that matters.
> 
> 73, Jim K9YC
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--
Walter Underwood
wunder at wunderwood.org