Sony STR-VX10L STK463 Hybrid IC

The Sony STR-VX10L uses the STK463 power amplifier IC manufactured by the Sanyo Corporation. This is an IMST thick-film hybrid IC that was used in many high-end amplifiers. I particularly like the sound produced by these ICs, however in recent years it has been increasingly difficult to find original replacements, and what little genuine stock that exists, tends to be expensive.

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