Speaker vibrations and other oddities

[K2QI]

Just built my K3… first, the speaker vibrates even with the foam donut on the end of the shield… also, the sub receiver doesn’t seem to have the same volume output as the main even if both RF and AF pots are set the same.  Suggestions?

 

73,

James KC2UEE

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[Bob Garrett]

Jim,

 

Did you set the sub preamp to on?  If not, you would have a different volume level in the sub versus the main RX.

 

73,  Bob K3UL

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