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Lehmann Silver Cube Phono Preamp
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 Voltage selector 120V/240V AC mains voltage
Lehmann Silver Cube Brochure PDF
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