From: Marko Mäkelä (marko.makela_at_hut.fi)
Date: 2002-10-09 20:39:57
On Wed, Oct 09, 2002 at 09:59:03AM -0500, Bo Zimmerman wrote:
> Regarding the SP9000, have you replaced the PS already, or are you using a
> simple transformer?
I tried it yesterday with my friend's transformer, a small brick that is
plugged directly to the wall outlet. It is maybe 2 inches by 1.5 by 1.5 or
something like that, and I wouldn't dare to drive it at its maximum rating
(50 watts) for a longer period, as it gets mighty hot very easily. At over
70 watts, the SP9000 was almost 50% overload.
> There's an electronics shop here in town that sells 300W (and higher)
> 110<->220 step-up/step-down transformers for about $25.00.
That's a simple transformer with 2:1 winding ratio, right? The price doesn't
sound awfully expensive. Having their contact info doesn't hurt, although
I have at least 3 friends who could lend their transformers to me.
I think I will move the SP9000 board to my 8032-SK or 8032 (once I get the
latter back from another friend of mine). My 8032 has an interesting daughter
board that could be a 64k expansion. I'll make a picture of it as soon as
I get the machine back (maybe in a couple of weeks, I don't have a car).
Marko
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