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

[Jeff Blaine]

I've tested the Dunestar, AS and 5B4AGN filters before.  The AS has the 
best ajacent band attenuation response of the trio.  I use the 5B4AGN 
here and they are reliable.

73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com

On 21-Nov-18 5:56 PM, w5wz at w5wz.com wrote:
> I use ICE 419B band pass filters between my transceivers and 
> amplifiers.  They work, but I realize that others may work better.  To 
> my knowledge, these are the players in the low power (200 watt) 
> automatic band pass arena:
>
> New prices listed
> $318 ICE 419B
> $505 Dunestar Multi Band Remote Switched Bandpass Filter
> $700 DX Engineering 419 Automatic Band Pass Filter Systems
> $700 AS-419 - "BandPasser II"
>
> Are there other systems out there?
>
> What is your experience with each of these?
>
> How would you rank them?
>
> Has anyone modified and published a "how-to" to modify the ICE system 
> for better performance?
>
> --Scott, W5WZ
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