Nu Prime PRA-9X

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.

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