NUPRIME STA-9 stereo/mono power amplifier

Power amplifier
2 x 120 w
Bridgeable into a 290W mono amp
XLR and RCA inputs

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Manufacturer : NUPRIME

729,00 €

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Description

The NuPrime STA-9 power amplifier is an amplifier that delivers 2 x 120W in stereo and a voltage of 290W in mono. It is a class A + D design. This technology imitates the sound characteristics delivered by a tube amplifier.


The front panel is simple. It only has one LED that indicates the power up. On the back panel there are symmetrical (XLR) inputs and asymmetrical (RCA) inputs. A terminal of high quality (plated gold) provides a point of connection for banana plugs, fork connectors, and bare wires.


The STA-9 amplifier is an upgrade of the ULCAM design (Ultra Linear Class A Module) + class D introduced for the first time in the NuPrime IDA-8. The new linear power supply of the NuPrime STA-9 is made up of a high efficiency toroidal transformer. The NuPrime STA-9 power amplifier also includes isolation feet (patent pending). The feet absorb and cancel vibrations that degrade the audio performances.


The sound produced is surprising by the speed in transitions and the level of impact obtained. The dynamic is remarkable in comparison to the size and price of this amplifier. The midrange and particularly the voices are rich and just like expected with a vacuum tube amp. The high frequencies are detailed and airy. The unison is natural, soft and nuanced. There is also a soundstage that is spacious and open.   


If you combine the NuPrime STA-9 power amplifier with the NUPRIME HPA-9 phono preamplifier/headphone amplifier, it forms an unbelievable set at a remarkable quality price ratio. Of course, you can also combine it with several preamplifiers of other brands. And if you require a lot of power or an efficient multichannel system, the mono function of the STA-9 enables you to deliver more than 300W, that is less than 2.5 euros the watt! Unbeatable, especially with this quality!
Highly recommended!


AWARDS :
Qobuzissime

Franck

Asymmetrical input: 1 x RCA
Symmetrical input: 1 x XLR
Speaker outputs: 1 x stereo and 1 x mono
Minimum power: 2 X 120W / 1 X 290W @ 8 and 4 Ohms
Maximum power:  2 X 280 W / 1 X 320 W @ 8 and 4 Ohms
Input impedance: 47k Ohms
Input sensibility: 232.8mV, 1W @ 8 Ohms
Gain: x 22
Signal to noise ratio: <-95 dB to 1 W, 10 W, 100 W
THD + N distortion: 0,02% (stereo) / 0,01% (mono)
Frequency response: 10Hz - 50kHz
Dimensions (L x H x D): 235 mm x 281 mm x 55 mm (feet incuded)
Weight:  4.75kg

Banc d'essai - Qobuz

0.56 Mo - pdf

Awards

Awards

Qobuz

2016
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NUPRIME STA-9 stereo/mono power amplifier

NUPRIME STA-9 stereo/mono power amplifier

Power amplifier
2 x 120 w
Bridgeable into a 290W mono amp
XLR and RCA inputs

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