Lehmann Audio
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Features
66 dB maximum gain supports all MM and MC cartridge types
Professional-grade low-noise input stages from studio mixing console design
High-precision passive RIAA equalization with polypropylene foil capacitors
Free slot per channel for custom impedance matching (solderless installation)
Hardwired plug-in location per channel for direct signal path
Complimentary custom resistors included to match your specific cartridge
Surge-proof, narrow-tolerance components for pure transient response
Advanced hum, HF, and voltage suppression modules
Compact dual-chassis design for turntable-adjacent placement
Non-magnetic aluminum enclosures with mechanically dampened lids
Shielded XLR cable with gold-plated Neutrik connectors
Double-sided audio PCB with additional ground planes
What's in the Box?
Our classic Black Cube, equipped with the extra potent PWX power supply – this is the Black Cube SE. That way, it has even more power for an exceptionally complex, impressive, and emotional reproduction of music.
Just imagine you could get even more out of your favourite record: the Black Cube SE does it with far greater bass authority, very relaxed mids plus enhanced top-end sparkle and openness.
Professional and yet emotional: making music tangible
The Black Cube SE belongs to the premier league of phono preamps. Of course, we use only components of ultimate quality for it. For a particularly low-noise reproduction, we, e.g., assemble input stages which other makers of professional studio electronics also build into their mixing consoles and microphone preamps.
Owing to its 66 dB of maximum gain, virtually all common systems from high-output MM to MC may be connected to the Black Cube SE. We have included a free slot per channel for the solder-free fitting of a custom impedance, and there is also an extra hardwired plug-in location with immediate action. Should you wish for some resistors to match your personal system to the Black Cube SE, we will enclose them with your order at no cost.
The high-precision passive RIAA filter network sits between two linear gain stages and has been realised using high-grade, surge-proof and narrow-tolerance polypropylene foil capacitors. That way, transients, dynamics, and timbres can purely reach the listener. The audio section contains additional modules for efficient hum, HF, and random voltage suppression. The use of a double-sided audio board also offers additional ground planes for a zero-interference operation.
The PWX power supply – compact and powerful
The potent external PWX power supply is equally compact in size like the audio section, so the Black Cube SE may be placed right next to your turntable drive, thus minimising potential losses due to cable lengths and leaving no chance for acoustic detriments. Neutrik XLR connectors with gold-plated pins provide a safe contact between the audio section and the PWX power supply; the connection cable between the audio and power sections is shielded. Furthermore, the two housings are made of a non-magnetic material (aluminium) and their top lids are mechanically dampened.
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Outer Dimensions (W x D x H) | Audio section: 113 mm x 108 mm x 45 mm PWX power supply: 93 mm x 233 mm x 45 mm |
| Weight | Audio section (incl. cable to power supply): 0.4 kg netto PWX power supply: 1.0 kg netto |
| Technical Specifications | |
| Gain Settings | 36 dB, 46 dB, 56 dB, 66 dB |
| Input Impedance | 47 kohms, 1 kohm, 100 ohms 1 x custom load 1 x hardwire slot |
| Output Impedance | 47 ohms |
| Input Capacitance | 100 pF |
| Bass Filter | 50 Hz, 6 dB/oct. |
| Audio Specifications | |
| Sensitivity for Output Level 775 mV / 0 dB | MM: 3.8 mV/1 kHz MC: 0.38 mV/1 kHz (with activated high gain jumper) |
| Gain at 1 kHz | MM: 46 dB MC: 66 dB |
| Maximum Input Level at 1 kHz | MM: 45 mV MC: 4.5 mV |
| Signal to Noise Ratio (RMS unweighted) | MM: 71 dB MC: 63 dB |
| Channel Separation | > 85 dB at 10 kHz |
| Channel Mismatch | typ. 0.5 dB |
| Power Specifications | |
| Power Consumption | < 3 W |