David Blevins let me borrow his A108. He loaned it to me months ago, and I
finally got around to playing with it. It ends up being a very forgiving
tube. I've gotten it to work, with a supply voltage as low as 250V. It may
even go lower. I started my tests using a 450V supply. That means it will
On 23 Jul 2013, at 01:21, gregeb...@hotmail.com wrote:
> The recent IV-11 posts have aroused my curiosity, so does anyone have
> firsthand experience with long-lifetime VFD displays ?
> I'd want to keep mine on all the time. Obviously the filament is a concern,
> and I'd be tempted to crank dow
>
> I have had a cheap Lloyd AM-FM-cassette clock radio for over 30 years.
> The VFD clock is still going strong.
>
>
>
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I have a VFD alarm clock that I bought broken at the Findlay Ohio Hamfest
a couple of years before I graduated from high school. I repaired it and
used it pretty much continuously from then till about 2 years ago when
something in the electronics died. The Display still lit up ok but the
clock woul
A long time. I have a couple of off the shelf alarm clocks that are about 15
and 18 years old now and they are still bright and clear. I also have an IV11
clock that's been running continuously for about 5 years which isn't very long
but is still in great shape. Sounds like you had better luck w
