[Elecraft] KIO3B Audio Spec

[ab2tc]

Hi again,  

BTW, some people have been complaining about 60Hz hum in the audio. I zoomed
in one the low end:

http://ab2tc.com/k3s_usb_lows.png

There is absolutely no sign of 60, 120 or 180Hz in this spectrum. I have
also listened to the signal with good headphones and hear no trace of hum.

AB2TC - Knut


ab2tc wrote
> Hi,
> 
> Here is the spectrum out of the USB codec with a -73dBm carrier from the
> XG3:
> 
> http://ab2tc.com/new_k3s_usb.png
> 
> The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE
> OUT level set to the factory setting (10), and set the recording level
> with the Windows mixer (Win7).
> 
> AB2TC - Knut
> <snip>





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