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About the VZN Grand Marquis 4 Monos
The Joule Electra VZN Grand Marquis Mk 4 Monos are 160 watt per channel monoblock amplifiers designed for moderate to large audio systems. They utilize the robust Russian 6C33 triode output tubes known for their durability and sonic quality, providing many thousands of hours of reliable operation. The amplifier employs the Circletron OTL (Output Transformer-Less) circuit topology, which is highly regarded for its stability and sound quality. The design features include a differential input stage, floating power supplies, point-to-point wiring, wood-based non-magnetic chassis, damping and isolation materials, continuously adjustable feedback controls, and individual bias controls for easy adjustment. A variac is used in the power supply to maintain optimal filament voltage for the output tubes, enhancing performance and longevity. These amplifiers are known for delivering exceptional sound quality with great dynamics, detail, and triode tube warmth. The last known
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