[TenTec] Heil/Ten-Tec Studio One

[Don and Diana Cunningham]

I chose the PR-40 Heil for my Orion (after fixing the ground problem on the 
original mic jack per Heil's website).   It is a bit higher priced than the 
PR-20, but sure works well with the built-in equalization of the Orion.
73,
Don, WB5HAK