Fw: [Amps] Conditioning Spare Tubes After Storage

[skipp isaham]

Hi Rich, 
-
The specific tube that comes to mind was a 5cx1500a 
used in an Elcom Bauer "Sparta" FM Broadcast 
transmitter. We went to Econco rebuilds after the 
first few full pay new bottles.
-
cheers 
skipp 

On Mon, 13 Oct 2003 07:58:15 -0700 R.Measures <r at somis.org> writes:
> 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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> 


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