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Lehmann Black Cube Phono Preamp
The Black Cube is a tried and true phonostage that has been an industry-favorite for years. It easily handles high output MM to low output MC cartridges. Apart from the standard switch settings there is one onboard slot that can be outfitted with custom impedance to effectively match the most exotic cartridges. The case on the audio section is made of nonmagnetic aluminum, and the top cover is coated with a special anti-resonance treatment.
Lehmann Black Cube Features and Specifications
Chokes in the power supply lines of the audio section
Dual mono output stages
Up to 66dB gain, optimizes handling of cartridges with a very low output
Additional hard-wire slot for special impedance and custom loads
A soft Soft-Bass-Roll-off jumper (6dB/Oct. @ 60Hz) protects the woofers
Outboard power supply, power supplied through shielded cable and Neutrik XLR connectors
Gain at 1kHz: 40dB/61dB MM/MC
Signal to noise ratio: 77dB/69dB MM/MC
Input capacitance: 100pF
Selectable input impedance: 47k, 470, and 100 ohms, DIP switches located underneath the unit
Output impedance: <100ohm
RIAA filter: passive equalization between two linear gain stages
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