[AMPS] 31LQ6

Radio WC6W wc6w@juno.com
Mon, 01 May 2000 12:27:30 EDT



On Mon, 01 May 2000 17:54:45 +0800 Alek Petkovic <vk6apk@eon.net.au>
writes:
>
>G'day from "Down Under.
>I've just ordered 2 sets of 4 x 31LQ6 tubes for my little Dentron
GLA-1000 
>amp. These will replace the tired 6LQ6 tubes presently in the unit.
>
>The tube swap will of course necessitate an extra transformer to run the

>heaters of the new tubes.
>
>Does anybody on the reflector have an idea of the current drawn by the 
>heaters in these tubes?
>
>I figure that the overall heater VA ratings should be similar to the
6LQ6 
>heaters and so I figure on around 2A total for the four tubes in
parallel. 
>I have a transformer rated at 100VA which I hope will do the job with a 
>generous safety margin.
>
>Am I correct in the above assumption?

Hi Alek,
   Yes, that's the way it works -- should be right around 500 mA per
tube.  The 31's also have a "controlled" warm-up time which was a
requirement for their original application in series filament string
style TV's.
 
73,
  Marv  WC6W  310 649 3111














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