[ARC5] Heater voltage split in "command" receivers

[Leslie Smith]

Yes, Ken, I did the same, and made the same observation.
The heater resistances are unequal.


 
  Les
  vk2bcu at operamail.com


On Fri, Jan 25, 2013, at 3:21, Kenneth G. Gordon wrote:
> On 24 Jan 2013 at 1:17, WA5CAB at cs.com wrote:

> Just to check (and because I am intensely curious about most things), I  took 
> the time to measure the AC filament voltage at each tube socket: in no  case 
> whatever was the 24 VAC source evenly-divided across any two sets of 
> seriesed tubes: it would be 11 volts on one tube and 13 volts on its  partner, 
> or 11.5 V on one and 12.5 on its partner, etc.
> 
> I found that interesting, but not particularly important.
> 
> Ken W7EKB

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