[Elecraft] SUB-RX line out low

Brian Alsop alsopb at nc.rr.com
Thu Feb 26 09:26:51 EST 2009


Please ignore the following post.

Got out the scope and looked at outputs.  AOK.
Problem was with the way Spectogram was inserted in the circuit in a 
stereo environment.

73 de Brian/K3KO

Brian Alsop wrote:

>I seem to recall another post where someone said the line out level for 
>the sub rx was considerably below the main RX line out level.  Couldn't 
>find it in a NABBLE search.
>
>Using firmware version 2.82 now.   Also line out = phones.   Normal 
>listening levels on main have the AF gain at about 9 o'clock.   To get 
>similar line out levels on the same signal from the sub requires about 2 
>o'clock settings.
>
>I can't recall having compared these levels before. 
>
>May have shot myself if the foot here.  Installed the leaded line out 
>resistors yesterday.   Despite checking it 6 times, there could be a 
>wiring error. 
>
>Before opening up the box again,  I thought I'd check here first.
>
>I might add that historically I've had problems with line out from the 
>sub-rx.  One fix was to replace the stereo radio shack plug with 
>another.  It could also be that the jack on the I/O board is flakey.
>
>73 de Brian/K3KO
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