Last typewriter factory in the world shuts its doors

[Lennart Sorensen]

On Fri, Apr 29, 2011 at 02:29:38PM -0400, Mike wrote:
> Well, as far as the heaters go, tubes have them built in (they're the
> source the electron wind bias current...). Aside from warming up your
> pocket a bit too much, tubes also tend to be a bit bulky and require
> higher (200-600V) voltages to operate. That's a lot of AAAs ;-)

I figured the power needs would be impossible.

> And no, no amount of tube amplification is going to make those early,
> sibilant mp3s sound any better...
> 
> Now high voltage amplification for electrostatic speakers and
> headphones... Tubes have never gone out of style. Just *try* and get a
> Class AB transistor amplifier to do ~600V p-p!

I don't think so.

> It's funny: I just don't think of vinyl sound reproduction and tube
> amplification as  belong to yesteryear. The Philips compact cassette,
> now...

Yeah those can stay dead.  I don't know if anyone will miss mix tapes,
but we have CD-Rs now if they really want to do that.  I guess they can
share playlists now.

-- 
Len Sorensen
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