I have four of them.  They were used on various DXpeditions, and were 
invaluable during simultaneous use of two transmitters.  I gave two away and 
still have the other two.  Original price was greater than $400 (cannot recall 
actual price).  These units have a serious limitation when used with high VSWR 
antennas (such as multi-band verticals and dipoles).  Running more that 100 
watts will blow the network caps.  All of my 419's have been repaired several 
times, and I keep replacement caps on hand.  I found a fix for the 10 meter 
network that allows operation up to 200 watts even with high VSWR.
I would ask at least $300.
73, Keith NM5G
    On Friday, February 19, 2021, 04:28:29 PM CST, Jim Brown 
<k9yc@audiosystemsgroup.com> wrote:  
 
 On 2/19/2021 10:06 AM, n5xz@earthlink.net wrote:
>  What is it worth today?
Not much -- it's a poor design, under-designed for power, easily blown 
up, hard to repair. Here's a report I prepared for National Contest 
Journal after measuring all those I could get my hands on from NCCC members.
http://k9yc.com/BandpassFilterSurvey.pdf
73, Jim K9YC
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