Reg Edwards wrote:

Why use a balanced tuner when a less expensive, easier to operate,
unbalanced tuner, in conjunction with a simple choke-balun, will do
just as well?

Insert the 2-wire choke-balun between the unbalanced tuner and the
balanced transmission line.
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Reg.


Because a balun particularly lossy at high SWR -- with a balanced tuner
followed by a balun you present the balun with the correct impedance, so
it's at its best.

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Tim Wescott
Wescott Design Services
http://www.wescottdesign.com