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Mark Levinson 523 Pradinis Stiprintuvas 3 RCA įėjimai 2 balansuoti XLR įėjimai 1 USB-B TOSLINK | Nemokamas Pristatymas
SAVYBĖS
- Pure Path discrete, direct coupled, fully balanced, dual-monaural signal path
- Class-A Main Drive Headphone output for up to 32-ohm headphones using main circuit
- Designed and handcrafted in the USA
- Discrete, balanced R-2R Ladder volume control for precision and performance
- Six analog line-level and phono inputs; balanced, single-ended, and headphone outputs
- Class-A Pure Phono stage with physically separated channels for MC and MM
- Selectable fourth-order, 80 Hz high-pass filter allows seamless integration of subwoofers
SPECIFIKACIJOS
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 4VRMSBALANCED 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)
