NuPrime Audio ST-10 Reference Power Amplifier

£1,595.00

£1,329.17 Exc. VAT |

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NuPrime Audio ST-10 Reference Power Amplifier

The ST-10 amplifier is for listeners who require a reference-class amplifier at a somewhat lesser power rating of 2 x 150W (8 Ohm). NuPrime’s sonic character stands well apart from – and indeed above – the soft, cushy sound we often associate with most tubed amplification and the dry, clinically edgy sound we often associate with solid-state and switching technology. Rarely does an amp achieve an ideal balance of richly textured timbres and harmonics, bottom-end authority, startling dynamics, exquisite low-level detail, and a fully revealed, fully dimensional sound stage against a backdrop of mile-deep silence.

The fourth generation (V4 amplifier module) of this patented amplifier design outperforms its predecessor in several aspects:

It lowers the noise floor by an astounding 20dB and elevates the output stage to 85% efficiency.
Shortened circuit pathways result in a 20% improvement in through-put.
Improved reliability in no-load condition and short circuit protection.
Increased output current drive capability for low impedance speakers.
Increased switching frequency to 600 KHz and an improved musical sampling rate.
Improved S/N ratio and dynamic range.
New linear power supply with a high-efficiency toroidal transformer. Reduced high-frequency noise and strengthened low-frequency performance.
Signal path avoids cross-linking capacitors, thus achieving a frequency response at DC level for pure musical enjoyment.
Enhanced even-order harmonic (H2) circuitry resembling the most attractive features of tubed-amp sound without its drawbacks and limitations.

Inputs:
- RCA: Un-Balanced input x 1
- XLR: Balanced input x 1
Outputs:
- Stereo Speaker Out x 1
Power Output: 150W x 2 at 8 Ohms; 150W x 2 @ 4 Ohms
Gain: X 28 (RCA); X 52 (XLR)
Input Impedance: 23.5k Ohms
12V trigger input. It can use any standard male to male 3.5mm (3-pin type) cable.
Sensitivity: 0.89 V to rated power
THD+N: 0.01%
Frequency Response: 0 Hz to 50kHz (-3dB)
S/N Ratio: 91dB @ 10W
Dimensions: 59 mm H x 215.4 mm W x 394 mm D
Weight: 7 kg
ST-10 is a phase inverting amp. If you are certain that the +/- (usually the red/white connectors) phase of your inputs are non inverting, then you should reverse the +/- inputs for each channel on ST-10. All other NuPrime amps were designed as non-inverting amp. If you have no idea what this is all about, don’t bother with making any adjustment.

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