[Hallicrafters] YEASU FILTER

[lrlayton at cox.net]

This is the ssb filter used in some versions of the 1960's vintage Yaesu FTDX-400 transceiver and possibly others of the same series.  Some interesting info on the early FTDX series can be found at:

http://ftdx560.50megs.com/





---- k0ewu9 at juno.com wrote: 
> THIS IS OT, But someone may know the answer.   I found a nos "ssb filter"
> in a box of stuff.
> 
> It says it is a XF3A filter with cf of 3180 kc.  also s/n of 3301.
> 
> any ideas?
> 
> jack
> ______________________________________________________________