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Mark Levinson 52 Stiprintuvas MM/MC jungtys 3 balancuoti XLR ir 4 nebalansuota RCA dvogiba šąsi su AC regeneracija | Nemokamas Pristatymas
SAVYBĖS
- Two-piece chassis with separate control box and analog box
- 7 Analog inputs: 3 XLR and 4 RCA stereo input pairs
- Dual Monaural construction and signal paths/routing
- Phono input with support for both MM and MC cartridges
- AC regeneration circuitry
- Rear-panel USB (A) connector for software updates
SPECIFIKACIJOS
DESCRIPTION
Reference Dual-Monaural Preamplifier
FREQUENCY RESPONSE
10Hz – 40kHz (±0.2dB)
FREQUENCY RESPONSE (PHONO)
±1dB (RIAA response)
INPUT IMPEDANCE
Input Impedance (line-level): 100k ohms -- Input Impedance (phono): Resistive: 3.3Ω, 5.0Ω, 7.7Ω, 10Ω, 33Ω, 50Ω, 77Ω, 100Ω, 330Ω, 47kΩ, (user-selectable) Capacitive: 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 0.01μF (user-selectable)
HEIGHT
8.75" (22.2 cm) - Control = 3.25" (8.2 cm); Audio = 5.5" (14 cm)
WIDTH
17.25" (43.8 cm)
DEPTH
13" (33 cm)
WEIGHT
60 lb (27 kg) Control = 25 lb (11 kg); Audio = 35 lb (16 kg)
PHONO INPUTS
Input Overload (phono): >100mV @1kHz (40dB gain); >10mV @1kHz (60dB gain)
COMMUNICATION AND CONTROL
Volume Control Range: 80.0dB
ANALOG AUDIO INPUTS
3 balanced (female XLR) stereo inputs; 4 single-ended (Mark Levinson-RCA) stereo inputs
ANALOG AUDIO OUTPUTS
1 balanced (male XLR) stereo main output; 1 single-ended (Mark Levinson-RCA) stereo main output; 2 single-ended (Mark Levinson-RCA) stereo record outputs
MAXIMUM OUTPUT LEVEL
16V – balanced (XLR) connectors; 8V – unbalanced (RCA) connectors
SIGNAL-TO-NOISE RATIO
Residual Noise: < 120dB (20Hz – 20kHz, input terminated,balanced)
GAIN
Gain (line-level stage): 0dB, +6dB, +12dB, or +18dB (user-selectable) -- Gain (phono stage): +40dB, +60dB @1kHz (user-selectable) -- Gain Resolution: 1.0dB increments up to 23.0dB on display (–57dB to –80dB); 0.1dB increments above 23.0dB on display (0dB to –57dB)
OUTPUT IMPEDANCE
20 ohms – balanced (XLR) connectors; 10 ohms – unbalanced (RCA) connectors
POWER REQUIREMENTS
Operating Voltage: 100V – 240VAC, 50Hz/60Hz
