Masterclass LA-4 Pre-amplifier

About the Masterclass LA-4 Pre-amplifier

The Sugden Audio Masterclass LA-4 is a premium active pre-amplifier designed to deliver exceptional sonic performance with uncompromising precision. It features four line level inputs, one tape input, one balanced input, and a bypass input, along with two line level outputs, a fixed tape output, and a balanced output. The LA-4 pairs perfectly with Sugden's Masterclass and Sapphire power amplifiers. High-end design elements include gold-plated circuit boards, relay switching of all inputs and outputs, and a sophisticated class A output stage. The pre-amplifier uses specially selected transistors and capacitors to preserve signal integrity and is powered by current shunt differential power supplies for fast transient response and powerful crescendos. It offers motorized remote volume control compatible with RC5, tape output defeat for recording, and a high gain stage providing precise control over connected power amplifiers. The unit is built with durable materials and has a compact design suitable for high-fidelity audio systems.