[Amps] Triband balun

[Carl]

A 2.4" type 43 toroid from Mouser, etc. wrapped with the correct turns of 
coax from K9YC's site. About $4 and change.

The BN-86 is a voltage balun and I blew 2 of them, once in the 60's on a 
TH-6 and again in 91 on another one.  Both times with 1200W; they dont like 
a high VSWR.

Carl
KM1H


----- Original Message ----- 
From: "Gary Smith" <Gary at ka1j.com>
To: <amps at contesting.com>
Sent: Monday, March 17, 2014 6:09 PM
Subject: [Amps] Triband balun


> Rehabbing my father's old TH3-Mk3 tribander from the 80's. The balun
> he had on it was a 1:1 bal/unbal BN-86. As I'll be using an amp with
> it, something more robust is probably a good idea. I was thinking 10
> loops of coax at the antenna would do the job.
>
> Any suggestions for a better alternative that will hold up in a RTTY
> contest?
>
> Thanks,
>
> Gary
> KA1J
>
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