NuPrime Evolution TWO
NuPrime hybrid mono power amplifier, 300 W RMS into 8 Ω, designed to drive one channel of a demanding stereo or multichannel system.
Description
The Evolution Two is a mono power amplifier, designed to be used in pairs in a stereo system or as a complement to a multichannel configuration. It adopts a hybrid architecture combining class A and class D circuits, an approach designed to combine the refinement of the former with the efficiency of the latter within a single amplification stage.
Its output power reaches 300 W RMS into 8 Ohms, with a peak of 410 W into the same load, providing dynamic headroom for the most demanding musical passages. The sensitivity of 2.1 Vrms and the input impedance of 47 kOhms define how it interfaces with a preamplifier or line-level source. Its frequency response extends from 10 Hz to 50 kHz at -3 dB, a wide range that comfortably covers the audible spectrum with margin at both ends.
With dimensions of 430 x 372 x 66.5 mm and a weight of 10 kg, the Evolution Two maintains a compact footprint given its stated power output, making it easier to fit into a cabinet or a bi-amplified configuration where space is limited.
This type of mono amplifier is aimed at enthusiasts wishing to build a high-end system using paired channels, particularly to power low-sensitivity speakers or setups where each channel benefits from its own dedicated amplification unit.
Technical specifications
| Output power (RMS) | 300 W at 8 Ohms |
| Output power (peak) | 410 W at 8 Ohms |
| Sensitivity (at rated power) | 2.1 Vrms |
| Input impedance | 47 K Ohms |
| Frequency response | 10 Hz to 50 kHz (-3 dB) |
| Dimensions (W x D x H) | 430 x 372 x 66.5 mm |
| Weight | 10 kg |
What to check before buying used
On a mono amplifier of this power, attention should be paid to the condition of the toroidal transformer and internal power supply, as ageing can result in humming or unstable output voltage. The unit should also be tested under real load over an extended period to check for any abnormal heating or thermal protection cut-outs. Checking the output terminals and input connectors is recommended, as these components are subject to wear with each connection.
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