[Elecraft] K2 #2857 2. Part complete - but audio to low

[Wolf-Ruediger Juergens]

> Signals are strong but I think audio is to low. AF-Gain is 12 o'clock and with
> full RF-gain and Pre on it's not so bad but my K1 is much louder.

Found the reason, D3 was installed in the wrong direction.
After setup the filters several times, the audio level is much better now.
I will setup again all filters using spectrogram after finished the next 
assembly part. 

72 de Wolf, DL2WRJ