The Silver Cube is Lehmann Audio's current reference phono stage. Its design not only provides maximum air and space with excellent soundstage depth and width, but also excellent dynamics, attack, pace and timing
The Silver Cube is Lehmann Audio's current reference phono stage. Its design not only provides maximum air and space with excellent soundstage depth and width, but also excellent dynamics, attack, pace and timing. The case is made from billet aluminum, milled out for the audio section and acts as a heat-sink for the discrete zero-feedback Class-A FET output stage.
Lehmann Silver Cube Features
Special operational amplifiers used for state-of-the-art performance
Only Mundorf tin foil MKP caps used in audio path
Discrete Class A (quiescent current app. 100mA) zero “global” feedback FET output stage
The gain stages buffered by fast parallel voltage regulators
Dual mono design
Resistors and capacitors (input termination) adjustable from rear side
All electrolytic capacitors in audio section are low ESR, high temperature types
Gain up to 66dB in four levels accessible from the rear side
Additional choke filtering of supply voltages on the audio board
Case milled out of one block of aluminum which also functions as the heat sink for output stage
WBT audio connectors
Neutrik power supply connector with gold plated contacts
Three machined aluminum feet with silicon rings
Power Supply Features
Features a 120W toroidal transformer with isolating coil between primary and secondary coil
Separate set of ultra fast recovering diodes for each secondary coil
Chokes on the secondary side
Very low noise floor from regulated voltages
Shielded cable used between power supply and audio section
Neutrik connectors (with gold-plated contacts) to connect audio section and power supply
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