On 24/07/2011 00:25, adastra wrote:
> Michael mentioned the possibility of keeping the filaments heated with sm=
all
> transformers.  This makes sense to me from the point of view of starting
> instantly.  It would obviously require extra hardware, and changing out t=
he
> sockets.  The big question is whether or not keeping the filaments hot al=
l
> the time would hurt or help with the tube-life issue.

It's the Pulse starting that wears them out. The filament transformer=20
ones just gradually get dimmer, like lamps left on all the time. Keep=20
the transformers on.

I presume in US you have to run the 8' tubes off 220V utility supply?=20
They are not very common here.


--=20
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