This technical brief provides an overview of the design approach, reasoning and philosophy behind the creation of the new i-series pre-amplifiers from Balanced Audio Technology. It augments the technical information provided in the VK-5 white paper, as the i-series reflects an improvement in key aspects of the VK-5 and VK-3 preamplifiers architecture and not a departure from the fundamental excellence of these designs. Indeed, the stellar performance of the VK-5 and VK-3 preamplifiers presented an inviolate benchmark against which to judge changes contemplated for the i-series. The fact that the VK-5i and VK-3i improve upon the sonic performance of their forebears is a tribute to the perseverance of the Balanced Audio Technology engineering team. Numerous design alternatives were explored over an extensive development cycle before arriving at the ingenious solutions incorporated into these new benchmarks in reference preamplification.
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