[Elecraft] K3 Harmonic Distortion

[Alexandr Kobranov]

Hi Lyle,

only to be sure - if I have in CONFIG: LINE OUT - PHONES which D/A is 
used - this one for SP/PHONES ?

Then LINE OUT level is controlled by AF knob so I suppose that PH/SP 
channel is used but not sure.

Thanks

Lexa, OK1DST



Lyle Johnson napsal(a):
> There are three distinct stereo audio channels in the K3, and they all 
> have slightly different characteristics.
> 
> LINE OUT
> 
> This has its own digital-to-analog converter (DAC) and is transformer 
> isolated.
> 
> PHONES
> 
> This shares a DAC with the speaker channel, but has its own amplifier 
> and isolating resistors to help reduce the impact of plugging in two 
> sets of headphones.
> 
> SPEAKER
> 
> This shares a DAC with the headphones, but has its own stereo amplifier.
> 
> We are aware of the discussions regarding harmonic distortion in these 
> audio paths. While it is easy to just say, "The radio meets specs!" (and 
> it does :-) we are looking at ways to improve the performance of the 
> entire audio system.
> 
> 73,
> 
> Lyle KK7P
> 
> 
> 
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