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Re: [Amps] Buck-Boost Transformer Selection

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Subject: Re: [Amps] Buck-Boost Transformer Selection
From: "Paul Christensen" <>
Date: Wed, 25 Jun 2014 16:23:11 -0400
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'It's a switchmode power supply with "universal input," and will become more efficient at higher line voltages...'


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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