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

Jim Brown k9yc at audiosystemsgroup.com
Fri Nov 23 16:09:52 EST 2018

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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