Very good condition, we sold new. All cables and remote included. Ships in original factory wood crate. Unit must ship freight due to size/weight.
The Nº52 is unquestionably the finest Mark Levinson preamplifier ever. This dual-monaural preamplifier isolates the critical analog audio circuitry from the control section with a two-chassis approach to provide the purest signal paths possible.
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 |
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 |