[CQ-Contest] Thoughts on automatic low-power bandpass filters

rjairam at gmail.com rjairam at gmail.com
Fri Nov 23 17:28:28 EST 2018

Best I've used (which I have) is the 5B4AGN TX BPF. It's not in
production anymore and was a kit, but if someone wants to part with
theirs (not me) it's one of the better ones.

On Fri, 23 Nov 2018 at 16:57, Jim Brown <k9yc at audiosystemsgroup.com> wrote:
> On 11/21/2018 9:38 PM, Dave Hachadorian wrote:
> > the main problem is reliability.  there are two problems:
> Your post is consistent with my far more limited experience with a pair
> of 419Bs, which I bought new. The capacitors are of poor quality and
> badly under-rated for power handling, and the relays on my units had
> contact failures within a year.
> 73, Jim K9YC
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