Mark Levinson N0.523 PreAmplifier

Mark Levinson

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Nordost Red Dawn Power Cable / 2m

LINE STAGE GAIN, NORMAL GAIN SETTING 13.5dB balanced; 7.5dB single-ended

LINE STAGE FREQUENCY RESPONSE, 20HZ TO 20KHZ ±0.02dB

LINE STAGE FREQUENCY RESPONSE, 0.4HZ TO 370KHZ +0.1 / -3dB

THD+N @ 1KHZ (2VRMS SINGLE-ENDED OR 4VRMS BALANCED OUTPUT) <0.003%

SIGNAL-TO-NOISE RATIO (REF. TO 2VRMS SINGLE-ENDED OR 4VRMS BALANCED, MAX VOL) >115dB @ 1kHz

CROSSTALK @ 1KHZ <-107dB

CHANNEL SEPARATION below noise floor (>115dB @ 1kHz)

INPUT IMPEDANCE >45kΩ

OUTPUT IMPEDANCE <80Ω single ended, <160Ω balanced

MAXIMUM INPUT LEVEL, NORMAL GAIN SETTING >10VRMS, single ended, >15VRMS, balanced

MAXIMUM OUTPUT LEVEL >11VRMS single ended, >22VRMS balanced

HEADPHONE OUTPUT IMPEDANCE

selectable; <3Ω or 75Ω

HEADPHONE MAXIMUM OUTPUT, LOW IMPEDANCE SETTING, 30Ω (0.3W), 20 TO 20KHZ, <0.1% THD >3VRMS

HEADPHONE MAXIMUM OUTPUT, LOW IMPEDANCE SETTING, 300Ω, 20HZ TO 20KHZ, <0.1% THD >9VRMS

HEADPHONE THD+N, 20HZ TO 20KHZ, 2V RMS <0.03% @ 30Ω, <0.01% @ 300Ω

PHONO STAGE 

RIAA FREQUENCY RESPONSE 20Hz to 20kHz, ±0.3dB

INFRASONIC FILTER defeatable, 15Hz, 2nd order (12dB/octave)

MOVING MAGNET MODE

• INPUT RESISTANCE 47kΩ

• INPUT CAPACITANCE selectable; 50, 100, 150, 200, or 680pF

• GAIN 40dB @ 1kHz

• THD+N, 20HZ TO 20KHZ, 2VRMS OUTPUT <0.03%

MOVING COIL MODE

• INPUT RESISTANCE selectable; 20, 33, 50, 66, 100, 200, 330, 500, 1000, or 47kΩ

• INPUT CAPACITANCE 50pF

• GAIN selectable; 50, 60, or 70dB @ 1kHz

• THD+N, 20HZ TO 20KHZ, 2VRMS OUTPUT <0.02%, 50 or 60dB settings, <0.04, 70db setting

ANALOG INPUTS 2 balanced (XLR), 3 single-ended (RCA) line, 1 single-ended (RCA) phono w/ ground

ANALOG OUTPUTS 1 balanced (XLR); 1 pair single-ended (RCA), 1 headphone (¼”, 6.3mm TS)

CONTROL CONNECTORS Ethernet (RJ45), RS-232 (RJ12), Trigger In and Out, IR In, USB-A, Mini USB

MAINS VOLTAGE 100VAC, 115VAC, or 230VAC, factory set

POWER CONSUMPTION 0.4W Green Standby, 5W Power Save, 67W Normal Standby, 70W On, idle

DIMENSIONS

Height (with feet): 3.75” (10.2cm)

Height (without feet): 3.25” (8.9cm)

Width: 17.25” (43.8cm)

Depth: 18” (45.7cm)

WEIGHT

Net weight: 39 lbs (17.7kg)

Shipping weight: 58 lbs (26.3kg)

Thông Tin Kỹ Thuật

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