Lehmann Audio Black Cube SE II
Lehmann Audio phono preamplifier with separate gain and impedance settings and a 16-curve bass filter, to suit all cartridges.
Description
The Black Cube SE II is a phono preamplifier from Lehmann Audio, designed to amplify and correct the signal from a turntable cartridge before it enters an amplifier. It represents the culmination of a line of devices well regarded in the world of vinyl playback.
This unit retains the toroidal power supply already found on the SE version, and pairs it with a brushed aluminium front panel treated to limit the impact of vibrations on the circuit. It stands out for its separate gain and impedance settings, allowing precise adjustment according to the type of cartridge used, whether moving magnet or moving coil. A new bass filter, offering 16 adjustment curves, completes the unit and provides additional scope for adjustment according to room acoustics or listening preferences.
This phono preamplifier is aimed at vinyl enthusiasts who already have a turntable fitted with a quality cartridge and who want a dedicated, finely adjustable component, rather than settling for a phono input built into an amplifier. Its versatile settings make it a suitable choice for those with several cartridges, or who plan to change cartridges without having to change preamplifier.
What to check before buying used
Check that the two separate gain and impedance settings work correctly, as the internal or external switches can oxidise over time and cause crackling or channel dropout. Also test all 16 curves of the bass filter across their full range to rule out a contact fault. Finally, listen to the unit through headphones to detect any hum linked to the toroidal power supply, or a resistor dislodged when the anti-vibration front panel was fitted.
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