[AMRadio] WTB: National R-175 plate choke or equiv

Jim Wilhite w5jo at brightok.net
Thu Feb 22 10:56:52 EST 2007

Mark, you might consider using something else for the choke. 
The R 175 is marginal on 160 meters.  If you use one, then 
add a series choke of about 1.5 micro henries to tame it.

Other than that, the Ameritron is a good choke if you don't 
want to wind you own.


> I need a nice plate choke for my 813x2 amp. I was going to 
> homebrew one now I'm thinking that there will be enough 
> variables without that. I'm going for operation on all 
> bands 160-10. So I'd rather use a known good design plate 
> choke like the National R-175. Anybody got one for sale or 
> trade?
> 73,
> Mark W1EOF

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