Was the 10+ minute warmup time for a heater-type cathode or for a
thoriated-tungsten type cathode?
>Hi Jeff,
>-
>I've received some broadcast transmitter tubes with
>recommended warm up times of 10 plus min, some
>as high as 30 minutes min.
>-
>A fellow broadcaster (now an SK) never paid
>much attention to the pre power warm up time
>especially the first install.
>-
>He called me over one night to source a
>breaker trip problem which was traced back
>to the tube, which was not allowed the
>recommended pre start filament idle time.
>-...
- R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org
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