[ARC5] Filament Question

[WA5CAB at cs.com]

But, as Ken (and I earlier) said, for several reasons this is not the case 
with the RT-70.  

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 10/03/2015 10:18:11 AM Central Daylight Time, 
jeepp at comcast.net writes: 
> All good info.  One of the biggest issues is providing a FIL xformer that 
> can sink way more correct than the filaments require.  At turn-on, as 
> others note, the cold filament will pull as much current as the xformer can 
> provide.  This is especially an issue with power tubes.  I find that inrush 
> limiters can help, especially when one can"t match the parts with the 
> project.
> Jeep. K3HVG
> 
> 
> Sent from my Verizon Wireless 4G LTE smartphone