The BC-9 transceiver case has been restored to its 1920s unit markings. I happy. https://goo.gl/photos/pwiUxo91WJkMZjF86 https://goo.gl/photos/ak11PqDfhVHciAxa6 73 OM DE Dave AB5S P.S. Neil: Did try the 6C4, but it's a low to zero-bias triode and wouldn't do the job. Still looking for something better.