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About the Master
The VAC Master Preamplifier is a high-end audio component designed to deliver exceptional sound quality. It is available with an optional internal phono stage, which uses six 12AX7 tubes and offers gains of 44 dB for moving magnet (MM) and 64 dB (or 68 dB in some specifications) for moving coil (MC) cartridges. The phono stage is isolated from the line stage via a separate power transformer and DC umbilical cable, ensuring superior signal integrity. The preamplifier itself has a specified gain of 11 dB or 12 dB, depending on the source, and features a low output impedance of less than 150 ohms. It includes multiple input options, including RCA and balanced XLR connections, and outputs are available in both RCA and XLR formats. The Master Preamplifier is built with premium components, including a custom-made brass volume control and high-quality resistors and capacitors. It is designed to provide detailed imaging and minimal microphony due to its hand-wired Class A1 audio circuits and machined, mass-loading plates.
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