[R-390] sp-600-jx-17

[Rodney Bunt]

I run my SP-600-jx-17 on the 260v tap, for use in AUSTRALIA. We nominaly have 240v. But I haven't
seen it that low for some time. In Western Australia it is nominaly 250v but often seen way over
265v where most commercial equipment has a melt-down. 

PS: if the input volts are too high, then the 0A2's get very hot, and very bright !!! No wonder
they drift, and stop regulating....

Rodney
VK2KTZ

--- Llgpt@aol.com wrote:
> 
> In a message dated 01/08/02 10:36:40 AM, cbscott@ingr.com writes:
> 
> << I don't have an SP600 so I don't know, but I assume you're talking about 
> changing the input tap effectively reducing the output voltages of the 
> transformer.  If this is the case, why does this help with drift?  Is the OA2 
> unable to regulate properly if the voltage it sees is too high?
> 
> Also, is that SP600 drifting towards North Alabama by any chance?  >;-)
> 
> Barry - N4BUQ
>  >>
> 
> Hi Barry,
> 
> The SP-600 has multiple voltage taps, depending on the voltage in your area. 
> Most are connected to the 117 volt tap. That was fine when they were built, 
> but most of us these days have 125 + VAC. The taps are, 
> 95,105,117,130,210,234 and 260. Everyting seems to satbilize with the 130 
> volt tap connected. Plus the OA2's are notorious for being flaky even when 
> they test good in a good tube tester.
> 
> Les
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