As in the Statement Line Stage, the volume control is a massive custom-made, multisection, 2.2 kg brass volume control with internal brass shielding. Remote-control capability is implemented via a VAC-designed motor drive system, which allows continuous control of infinite resolution.
All of the hand-wired Class A1 audio circuits are carried on machined, mass-loading plates, which are decoupled from the main chassis.
This projects solidity in detail and imaging while reducing microphony to infinitesimal levels. You’ll find the “naked” z-foil resistors and premium transformers from the Statement Line Stage.
When the Master Preamplifier is equipped with the internal phono option, a separate, dedicated power transformer and DC umbilical cable is added to the power supply, ensuring complete isolation between it and the line section. In essence, it is an external phono stage that just happens to share the chassis, which, in turn, allows a superior control over the ground signal reference that is crucial to conveying signal detail. You’ll also find the same premium resistors and exotic capacitors employed in the Statement Phono Stage.
The VAC Master Preamplifier outperforms every other preamplifier, with the exception of the VAC Statement models that inspired it.