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STA-6

EUR 500.00

Class A+D Stereo Amplifier Brigeable into a 160 watt Mono Amplifier

With 2 X 90W Class A+D stereo amp, bridgeable into a 160W mono amp, STA-6 is designed with enhanced even-order harmonic circuitry that produces sonic characteristic similar to NuPrime STA-9, but leaning toward neutral with a slight hint of warmth. The STA-6’s spacious, transparent, dynamic and luxuriously textured soundstage has to be heard to believed.

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NuPrime audiophile quality commercial products are typically not sold in retail stores. The commercial product line is not designed for style but performance can be sound quality can be just as good as the home product line.
The STA-6 amplifier is derived from the Single End Class A Module + Class D design first introduced in the STA-9. By joining a powerful high impedance singled ended amplifier circuit in the preamp stage with a well integrated Class-D power stage, the STA-6 offers the richness of Class A sound with the remarkable speed and clarity of NuPrime Class-D design. Audio enthusiasts are bound to be impressed.
The NuPrime amp circuit improves on traditional Class-D design by using a self-oscillating circuit to generate pulse-width modulation. The amplifier switches at a frequency of 500kHz, well beyond the compact disc’s 44.1kHz sampling rate. Most class-D amps switch at 300kHz or lower. A new low noise switching power supply is designed specifically to complement the STA-6 amplifier. The overall result is unprecedented transient speed, smooth with lots of details and an almost shocking level of dynamic impact.The STA-6’s frequency response to 50 kHz elevates vocals into emotional experiences; similarly, instrumental upper registers mimic a live performance’s shimmering heights.The STA-6 is designated for NuPrime Commercial product line and it is designed to be highly reliable under no-load condition and enhanced short circuit protection.
  • Inputs:
    • RCA: Un-Balanced input x 1
  • THD+N:0.01% (Stereo) / 0.01% (Mono)
    Outputs:

    • Stereo Speaker Out x 1 or
    • Mono Speaker Out x 1
  • Frequency Response: 10Hz to 50kHz
  • Power: 2 x 90W / 1 x 160W @ 8 & 4 Ohms.
  • Same power at 8 & 4 Ohms as the output power is limited by the power supply.
  • Worldwide AC voltage: 90 VAC～250 VAC
  • Power On Consumption: 12.8W (220V); 12.1W (110V)
  • Input Impedance: 47k Ohms
  • Dimension: 200 mm W x 184 mm D x 60 mm H (including feet)
  • Gain: x 28
  • Weight: 1.65kg
  • Signal to Noise Ratio: > -90dB at 1W, 10W, 100W
  • With Package Weight: 2.2kg
  • Color: Black
Weight1.65 kg
Dimensions200 × 184 × 60 mm
Color

Black

→AudioCircle.com STA-6 discussion

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Amp & Preamp (5)

In some applications, the speaker outputs from the power amplifier are used as source signals for devices such as REL sub woofer. For such application, usually the receiving devices should have DC offset blocking capability because some amplifier by design has floating ground (DC offset) on the speaker outputs.

The following models have no DC offset on the amplifier speaker outputs and the negative terminal is also the ground:
NuPrime STA-9, MCH-K38, IDA-6, IDA-16

The following models’ speaker outputs can not be connected directly to sub woofer input:
NuPrime Reference 20, ST-10, IDA-8

REL has provided instructions for connecting Class-D amp with floating speaker outputs to their sub woofers, please contact REL.

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The buttons on the front panel are toggle on/off switch. 

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Many users listed their favourite speakers that are suitable for IDA-16. http://www.audiocircle.com/index.php?topic=140740.0

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IDA-8 is an extremely popular and award winning integrated amp. New users are welcome to read this long topic on audiocircle.com: http://www.audiocircle.com/index.php?topic=134697.0

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When a device has a 12V trigger input, it is designed to be turned on when a 12V is detected. You can use any standard male to male 3.5mm (3-pin type) cable.

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STA-6 Manual

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