Nuprime IA-9X integrated amplifier with MM phono preamplifier

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Nuprime IA-9X integrated amplifier with MM phono preamplifier

NuPrime’s IA-9X is an integrated amplifier designed to work well in an analogue audio system. It combines two cutting-edge technologies – NuPrime ODC and Harmonic Generation circuits – to offer adjustable sonic characteristics. This makes it perfect for either studio monitoring or relaxing music listening.

The IA-9X offers the unique ability to customize its sound characteristics to suit your musical preferences.
  • NuPrime Only Distortion Cancellation (ODC) circuit for ultra-low distortion for neutral and detailed sound.
  • Harmonic generation circuit (utilizing Class A transistors) for slightly warm, end-rhyme, and rich sound similar to that of a vacuum tube amplifier.
A toggle switch that allows you to select only ODC circuit or ODC with natural harmonics. In Ultra- Low Distortion mode, it is typically suitable for studio monitoring or music with many dynamics, such as Rock & Roll. Alternatively, you can increase natural harmonics when relaxing and listening to more vocal or classical music.

The ODC class D PWM module include two NuPrime’s new ultra-low distortion amplifier modules (THD=0.0014%) composed of MUSES8820 op-amp in a new delta sigma circuit. It has excellent ultra-low distortion and high driving force characteristics.

NuPrime IA-9X pre-amp includes a MM phono input. The input and output use a special audio Relay Switch, which has the lowest interference and highly accurate transmission, to switch the source.

The phono input has a variety of settings for input resistors and capacitors to match different MM cartridges. PRA-9X phono amplifier is a 2-stage RIAA amplifier that utilises NJR MUSES8820 audio quality op-amp to provide an accurate RIAA curve and low distortion at high amplification and performance.


  • LP vinyl RIAA phono amplifier circuit, with adjustable input capacitance and impedance.
  • 1 set of Phono input, 1 set of XL R input, 2 sets of RCA input.
  • Digital control (with 99 segments) of analog volume circuit. Automatic memory when powered off.
  • Input and output Trigger for power on/off control of multiple devices.
  • Nuprime specially customized audio-specific capacitors, 13200uf and 25A high-current bridge rectifiers, providing fast and dynamic speaker driving force.
  • Power Output (RMS): 90W @ 8 Ohms, 145W @ 4 Ohms
  • Power Output (peak): 100W @ 8 Ohms, 160W @ 4 Ohms
  • 1x Phono Stage
  • 2x  Analog Stereo RCA
  • 1x Analog Stereo XLR
  • 1x Trigger in: DC12V in (3- pin 3.5mm phone jack)
  • 2 x Speaker Out
  • 1 x Trigger Out: DC12V Out (3-pin 3.5mm phone jack)
  • Gain: x17
  • Sensitivity (to rated power): 1.5Vrms
  • Input Impedance: 47K Ohms
  • IA-9X WATT / THD / S/N (typcial) : @5W (0.0014%, 95dB) , @50W (0.003%, 105dB)
  • Frequency Response: 10Hz to 50kHz (-3dB)
  • Standby Power : 4.6W @ 115V outlet, 3.3W @ 230V outlet
  • Idle Power : 13.5W @ 115V outlet, 11.5W @ 230V outlet
Phono Stage :
  • Input resistance: 32K ohm / 47K ohm / 100K ohm
  • Input capacitance: 100 pF / 220 pF / 320 pF
  • MM Input Sensitivity: 4.0 mV @ 1KHz
  • GAIN: MM input to L INE output (Vol./Max.) => 65dB @ 1K Hz
Dimensions and Weight:
  • Worldwide AC voltage: (115VAC / 230VAC) with Voltage Select Switch
  • AC Fuse: Slow blow, 5A, 250VAC
  • Dimensions: (W x H x D): 235 mm x 60 mm x 281 mm (including feet)
  • Weight: 3.8kg
  • Color: Black or Silver
You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.