[Amps] Buck-Boost Transformer Selection

[Steven Katz]

I had a Quadra for about two years and my line voltage runs about 245V in the winter and more like 250-252V in the summer (they crank it up, I guess, perhaps to reduce line losses when everyone's using air conditioning) and it never hiccupped; so I doubt any of them would.

Certainly worth just trying it, to find out.





-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Paul Christensen
Sent: Wednesday, June 25, 2014 1:23 PM
To: amps at contesting.com
Subject: Re: [Amps] Buck-Boost Transformer Selection

> 'It's a switchmode power supply with "universal input," and will 
> become more efficient at higher line voltages...'
>
> WB2WIK

If that's the case Steve, I would only be concerned if the amp's firmware reported a fault due to high line voltage and perhaps causes the amp to trip-out.  Because of filament voltage, I'm much more concerned about line voltage with my tube amps and really have no concern when using my SPE. 
Line voltage here typically runs 252-255VAC.

Paul, W9AC 

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