R. D. Davis wrote:
> For not too much more than that, I was thinking that one could build a
> much larger tube amp, over delivering 200W RMS... ok, well... I stand
> corrected; actually, just the Hammond iron alone is going to cost
> nearly US$600, plus a few hundred dollars more for new tubes. Still,
> it's a heck of a lot less expensive than what people are paying for
> assembled tube amplifiers... still, too expensive for me at this time.
>
> Is what you're building a class-A triode amp, by the way?
Nope, a class-A ultra-linear amp. :)
A Push/Pull amp gives more power, but I want to try a
Single Ended amp with low cost tubes. Add $300 more for low
cost Direct Heated Triodes.
> Other good news... not sure if anyone else has heard it, but Western
> Electric plans on resuming the manufacture of not only the 300B tubes
> here in the U.S., but possibly other types of tubes as well. :-) After
> resuming the manufacture of 300B tubes a while back, they had to
> reloate their equipment, and production stopped in 2002). That's right,
> audio tube production in the U.S., hopefully in 2004!
> For more info:
>
> http://www.westernelectric.com/whatsnew.html
The last time I checked they still were rebuilding the factory.
>>The other $100 is for the
>>box to mount the stuff on,and keep the cat's paws off the tubes.
>
>
> Hmmm, wouldn't a PC chasis, some chicken-wire and some bailing twine
> have been far less expensive? :-)
So where would I keep my chickens and how would feed my COWS hay? (grin)
I don't have a PC case, and real PC case has too many holes.
> Somewhere around here, I think that I may have a book from the 1970's
> pertaining to building a computer from TTL... will have to look for
> it. I only recall Byte (an article by Steve Ciarcia?) having
> published an article about building a computer from chips, but I think
> it used a microprocessor... hopefully someone can prove me wrong about
> that.
>
I dumped Steve when his project was a PC clone. Byte went down hill from
then.
BTW does anybody have BYTE and other early computer mags on micro-fiche,
all the local libraries have thrown them out years ago?
Ben.
Received on Fri Jan 16 2004 - 00:48:29 GMT