Nº33

Nº33

NO33

2,400W Reference Mono Power Amplifier


2,400W Reference Mono Power Amplifier

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Nº33

The Nº33 Reference Mono Power Amplifier uniquely combines extraordinary power delivery with effortless control and unparalleled refinement. Rated at 2,400W continuous into 1-ohm loads, it is the most powerful high-end amplifier in the world.

The Nº33 incorporates two 2.45 kVA low noise toroidal transformers in a fully balanced power supply. In this design, there is a separate power supply (each with its own power transformer) for both the inverting and non-inverting halves of the amplifier. Twelve 39,000 μF low ESR capacitors are used in each amplifier. The power supply of each Nº33 provides almost 1⁄2 a Farad of capacitance and 1200 Joules of energy storage.

Heavy oxygen-free copper bus bars enhance the efficiency of power distribution within the amplifier and eliminate variances introduced by the wiring harnesses, etc. more commonly found even in high performance amplifiers. High frequency power supply bypass is accomplished on individual PC boards by a total of 56 components of several film types. The resulting uniformly low power supply impedance seen by the various circuits within the Nº33 lays the foundation for both the massive power and the extraordinary finesse that characterizes this amplifier.

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