[Elecraft] K3 - background hiss (noisy K3) - update

[bozidar]

Hi Dale,
tnx for interesting info - i have done this test and ranges on AF and RF
knobs are 2-240, so no problem with that.
Yes it is an early K3, S/N 28xx.
I use Sennheiser CX 300-II ear-canal phones impedance 16 Ohm - maybe is this
impedance too low,
but accordingly to the data-sheet for LM4811 that should not be the problem.
I simply dont know what that could be?
73,
Bozidar, S50BN



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