NORMA REVO PA-160MR

Pre owned. In good condition. Shows minor signs of wear. Supplied with owner's manuals and original packaging.

The Norma REVO PA-160MR is a monoblock power amplifier designed according to a philosophy that prioritizes maximum signal purity, exceptionally fast response, and outstanding dynamic capability. Every section of the amplifier is engineered to deliver reference-level performance while maintaining a natural, powerful, and fatigue-free listening experience.

The circuitry features an ultra-high-speed topology characterized by extremely low noise and a bandwidth exceeding 2 MHz. This configuration enables highly accurate musical reproduction, delivering exceptional transparency and immediate response even during the most demanding dynamic passages.

The power supply is one of the amplifier's defining features. The gain, driver, and output stages each benefit from fully independent, regulated power supplies designed to deliver voltage and current with exceptional speed while maintaining extremely low noise and impedance. This solution allows the amplifier to operate under ideal conditions, eliminating interference and ensuring a level of consistency rarely achieved by conventional power supply designs.

The output stage employs high-current MOSFET devices capable of delivering substantial energy reserves with remarkable speed. Sixteen power devices, combined with a high-capacity filtering section using numerous low-impedance capacitors, provide exceptional loudspeaker control, even during the most complex and demanding musical passages.

The power supply also incorporates toroidal transformers specifically developed for audio applications, featuring low magnetic flux leakage, extremely low mechanical noise, and high-permeability magnetic cores. These characteristics contribute to very low output impedance and outstanding operational stability.

The chassis is entirely constructed from non-magnetic aluminum, providing excellent structural rigidity while effectively shielding the circuitry from external interference. Connectivity includes configurable RCA and balanced XLR inputs, selected via relays with gold and palladium contacts, while gold-plated RCA connectors help preserve signal integrity throughout the entire audio path.

Particular attention has also been paid to operational safety through a DC protection system that effectively safeguards connected loudspeakers without compromising sonic performance.

During listening, the REVO PA-160MR stands out for its combination of authority, speed, and control, complemented by exceptional transparency and an impressively wide dynamic range. Its presentation remains consistently natural and engaging, revealing subtle musical nuances and fine detail with remarkable realism while ensuring a smooth, fatigue-free listening experience even during extended sessions.

Designed to achieve its full potential when paired with the REVO SC-2 preamplifier, the Norma REVO PA-160MR also integrates seamlessly with high-end electronics from other manufacturers, establishing itself as a reference monoblock power amplifier for High-End audio systems focused on absolute musical fidelity.

Technical specifications:

• Connections: 1 RCA input; 1 balanced XLR input
• Input impedance: 47 kΩ (non-selected input); 33 kΩ (selected input)
• Speaker outputs: 1 pair of binding posts; compatible with 4 mm banana plugs and spade connectors
• Frequency response: 0 Hz to 2.0 MHz (-3 dB, unfiltered)
• Output power: 160 W RMS into 8 Ω; 300 W RMS into 4 Ω
• Gain / Input sensitivity: 28.5 dB; 1.35 V RMS for 160 W into 8 Ω
• Topology: fully regulated power supply; high-speed; high-current; ultra-low-noise; very low impedance
• Configuration: solid-state monoblock amplifier
• Output devices: MOSFET; 4 pairs
• Output current: 48 A continuous; 200 A peak
• Filter capacitance: 72,000 µF; 24 capacitors
• Power supply: 230 V AC / 50 Hz; also available in 100 V AC or 115 V AC / 50–60 Hz versions for selected markets
• Dimensions (H × W × D): 110 × 430 × 365 mm (excluding feet and rear connectors)
• Weight: 25 kg