Reference Hi-End Stereo Power Amplifier
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The NuPrime Evolution STA-SE is a high-end reference stereo power amplifier engineered to deliver exceptional musicality, outstanding power delivery, and cutting-edge Class D technology. As the upgraded Special Edition version of the acclaimed Evolution STA, the STA-SE introduces major improvements in distortion reduction, dynamics, and overall sonic realism.
Featuring NuPrime’s proprietary ODC (Only Distortion Cancellation) technology together with an ultra-low-noise GaN-based power architecture, the Evolution STA-SE achieves extraordinary transparency, speed, and control. Its fully balanced dual-mono configuration ensures excellent channel separation and creates a wide, immersive, and highly realistic soundstage.
Delivering an impressive 400 Watts per channel, the Evolution STA-SE effortlessly drives even the most demanding loudspeakers while maintaining absolute control, precision, and musical coherence. Bass response is deep and articulate, midrange reproduction is natural and textured, while treble remains airy, refined, and highly detailed.
Designed for high-end hi-fi and audiophile reference systems, the NuPrime Evolution STA-SE combines the musical warmth and smoothness typically associated with Class A amplifiers with the efficiency, speed, and dynamics of advanced modern Class D amplification.
| Specification | Details |
|---|---|
| Type | Class D Stereo Power Amplifier |
| RMS Power @ 8 Ohm | 400 W x 2 |
| RMS Power @ 4 Ohm | 400 W x 2 |
| Gain | x21 |
| Sensitivity | 2Vrms |
| Input Impedance | 47 kOhm |
| Output Impedance | 4 mOhm |
| THD+N / SNR @ 5W | 0.0025% / 95dB |
| THD+N / SNR @ 50W | 0.007% / 105dB |
| THD+N / SNR @ 100W | 0.01% / 110dB |
| Frequency Response | 10Hz – 50kHz (-3dB) |
| Audio Inputs | RCA and Balanced XLR |
| Trigger | IN / OUT |
| Connectors | Furutech FP900 RCA and Eichmann binding posts |
| Power Supply | Selectable 115V / 230V AC |
| Standby Power Consumption | 1.5W (115V) / 1.7W (230V) |
| Idle Power Consumption | 24W (115V) / 26W (230V) |
| Dimensions | 57 x 430 x 375 mm |
| Weight | 5.2 kg |
| Finish | Black / Silver |
| Warranty | 3 Years |