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Month: February 2017

A custom super-high-current GFA-555 Dual-mono upgrade

Posted on February 15, 2017July 2, 2017 by hoppesbrain

Here’s a custom GFA-555 I built for Mark in Michigan. This is a fully dual-mono conversion with all the tweaks. Each channel has its own, dedicated 500VA transformer, for 1000VA in total, replacing the single, 850VA stock unit.

20170130_164351.jpg
Pretty.

Continue reading A custom super-high-current GFA-555 Dual-mono upgrade

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hoppesbrain on Introducing the Hoppe’s…
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