[ARC5] No Doubt Dumb Tube Question

[Kenneth G. Gordon]

On 17 Jun 2013 at 17:12, Geoff wrote:

> >> Anyone have any experience with the 5T4 - I picked up a couple NOS, in
> >> the boxes, very cheap, a while back figuring them as cheaper and more
> >> robust replacements for tubes like the 5Y3.
> >
> > 1550 PIV, 675 mA per plate.
> >
> > Filament: 5.0 V 2.0 amps.
> >
> > About 1/2 way between the 5Y3 and the 5U4
> 
> You DO NOT want to grab a running 5T4, the effect is the same as a 6L6, 
> 1614, etc.
> 
> Carl

They are a metal tube: as such, their "envelope" is hotter than heck.

No thanks!

Ken W7EKB