[R-390] 4KC Filter

[Anthony Casorso]

My 67 EAC is the same way. Down about half on 4KHz. I have measured the bandwidth and it is still fairly close to 4KHz. I just let the AGC make it up but I have been considering a new filter.
Tony

> From: jbrannig at verizon.net
> To: r-390 at mailman.qth.net
> Date: Fri, 11 May 2012 12:42:23 -0400
> Subject: [R-390] 4KC Filter
> 
> I'm in the process of aligning my 67 EAC R-390A.
> 
> All is working well except for the 4KC filter, the signal level is about 
> half (3db.)  the level of all the other filters.
> 
> The trimmers peak normally.
> 
> Bad Filter?  I hope not, any other ideas?
> 
> Thanks
> 
> Jim 
>