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NuPrime Audio PRA-9X Pre Amplifier
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NuPrime Audio PRA-9X Pre AmplifierNuPrime Audio PRA-9X Pre AmplifierNuPrime Audio PRA-9X Pre Amplifier
NuPrime Audio PRA-9X Pre AmplifierNuPrime Audio PRA-9X Pre Amplifier

NuPrime Audio PRA-9X Pre Amplifier

£1,199.00    
£999.17 Exc. VAT |  
  

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NuPrime Audio PRA-9X Pre Amplifier

The NuPrime PRA-9X is a fully balanced preamplifier designed for ultra-low distortion (THD+N of 0.0004%) that includes a MM phono input and a 6.3mm headphone output. There are a variety of settings for matching different MM cartridges.

NuPrime PRA-9X is a pre-amplifier with a fully balanced design and 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.

Line Outputs include four NuPrime’s new ultra-low distortion amplifier modules (THD=0.0004%) composed of MUSES8820 op-amp in a new amplifying circuit. It has excellent ultra-low distortion and high driving force characteristics.

Features

LP vinyl RIAA phono amplifier circuit, with adjustable input capacitance and impedance.

Input and output fully balanced preamp.

Utilizing the MUSES8820 bipolar-input dual op-amp module, PRA-9X can reproduce the presence of an orchestra as experienced in a symphony concert and the breathing sound of a player in a live music house.

NuPrime’s next generation current booster circuit, providing top 0.0004% (7.5Vrms) THD performance and 114dB signal-to-noise ratio (S/N).

High-performance headphone amp output.

Input and output Trigger for power on/off control of multiple devices.

Specifications:

Inputs:

1 x Phono Stage

2 x Analog Stereo RCA

1 x Analog Stereo XLR

Outputs:

1 x 6.3mm headphones out

1 x pair of stereo RCA out

1 x pair of stereo XLR out

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 LINE output (Vol./Max.) => 50dB @ 1KHz

PRE Stage:

Input resistance: 20K ohm

Output resistance: 10 ohm

THD+N: 0.0004% @ 7.5V Vrms

S/N ratio >115dB @ 7.5V Vrms

Frequency Response: 0Hz to 50KHz (0.2dB), 200KHz (-3dB)

GAIN: LINE input to LINE output (Vol./Max.) => 17dB @ 1KHz

Headphone Stage:

560mW @ 32 ohm / 110mW @ 600ohm

THD+N: 0.004% @ 32 ohm / 480mW, 0.0015% @ 600 ohm / 100mW

S/N ratio >110dB @ 32 ohm / 450mW

Frequency Response: 0Hz to 50KHz (0.2dB), 200KHz (-3dB)

GAIN: LINE input to LINE output (Vol./Max.) => 17dB @ 1KHz

Dynamic Range > 115dB

Dimensions and Weight:

Dimensions (W x H x D): 235 mm x 55 mm x 281 mm

Weight: 5.5 pounds (2.5 kg)

Worldwide AC voltage: (90VAC~130VAC // 210VAC~250VAC) With Voltage Select Switch

AC Fuse: Slow-blow, T1A, 250VAC

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