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ST-10M Mono Amplifier

HK$15,800.00
  • Brand: Nuprime
  • Product Code: ST-10M
  • Availability: In Stock
Tags: Nuprime

Nuprime ST-10M

Reference class power amplifier

The ST-10M Reference Class Mono Amplifier builds upon NuPrime’s fourth generation (V4) amplifier module from the ST-10 and brings it to the next level. The ST-10 was designed within the space limitation of its chassis and hence had a power system which was capable of providing 150W power output to each of the stereo channels. To really bring out the best of the V4 amplifier module, the ST-10M has a new 300W power supply for its mono channel. The entire design including the chassis has been optimized for the mono configuration, further lowering the cross channel interference.

Other Circuit Enhancements


The original 10A bridge rectifier has been replaced by a 50A Schottky diode, the capacitors upgraded 30,000 micro-Farad, and duly the power transformer is now rated at 300W. Improved circuit layout with careful component selection has allowed the ST-10M to have a lower noise floor than the ST-10.

The NuPrime Sound

The ST-10M sounds more full bodied and rich, conveys greater immediacy and power as compared to the ST-10. The improved power delivery and reduced interference gives the instruments richer overtones and more natural decay. The soundstage is deeper and creates a more enveloping ambience around the listener. Imaging gains more solidity over the ST-10 which already has an impressive placement.

The effects of the improvements could be heard on the following examples. The striking of piano keys demonstrates greater attack and faster transients, with a sound that naturally resonates with the piano body. Brass instruments sounds glorious, characterful and carries a natural sheen but not overly bright. Female vocals and high frequencies retains the signature of the ST-10 but is smoother on the ST-10M. In an ensemble, the tonality gains an extra notch of richness which makes the overall presentation more natural.


With the ST-10M, every aspect of the ST-10 sound has been improved upon, which makes it truly a reference grade amplifier!

Specs

    Inputs:
        RCA: Un-Balanced input x 1
        XLR: Balanced input x 1
    Outputs:
        Speaker Out x 1

    Power Output (rated): 230W @ 8 Ohms, 320W @ 4 Ohms
    Power Output (peak): 270W @ 8 Ohms, 375W @ 4 Ohms
    Gain: X 28
    Input Impedance: 47k Ohms
    Sensitivity: 1.5V to rated power
    THD+N: 0.01%
    Signal to Noise Ratio: 102dB at 1W, 10W, 100W
    Frequency Response: 0Hz to 60kHz
    Worldwide AC voltage: (115 VAC / 230 VAC) with Voltage Select Switch
    AC Fuse: Slow-blow, 5A, 250VAC
    Dimension: 59 mm H x 215.4 mm W x 394 mm D
    Weight: 6 kg
    Color: Black or Silver
    Standby Power Consumption: 0.9W at 110V outlet, 1.7W at 230V outlet
    Idle Power Consumption: 14W at 110V outlet, 14.8W at 230V outlet