Bob Kuykendall wrote:

If you can't find one, (or it turns out to be expensive) you might
try the Mallettec audio vario advertised in Soaring ($169.00)...

I think that the Mallettecs don't have a hose barb for static - if
that's true, you can't plumb a TE probe into it. I prefer audios to be
compensated, they are much more useful that way.

The Mallettec is very quiet. In the 1-26 I clip it to my hat in such a way
that it rests on my ears, otherwise I wouldn't be able to hear it. In a
better-sealed ship you could probably put it a *little* farther away, but
I think it would still have to be on your person somewhere, so that
connecting a hose to it would likely be impractical no matter what.

Even without TE compensation it's still much better than no audio,
especially in a 1-26 where the transition from cruise to thermalling speed
is short. I can see where compensation would be much handier in something
hat won't bleed off the energy so fast though.

--
Michael Ash
Rogue Amoeba Software