Decade
Lehmannaudio is has built a reputation and unrivalled customer satisfaction on the sound and build quality of phono stages. The ambitious Black Cube Decade effectively fills the gap between the Black Cube SE II and the Lehmannaudio reference phono stage, the Silver Cube. In the Decade , like in all Lehmannaudio devices, top notch technology is used that normally can be found only in price ranges far above.
The input stages of the Decade can also be found in top notch mixing consoles and high class microphone preamps of professional studio electronics. The highly accurate, passive RIAA equalisation network is placed between two linear gain stages and uses precision MKP capacitors. This results in a very stable soundstage reproduction and pin point localisation of instruments.
The maximum gain of 66dB is well enough for even very exotic low output MC cartridges. Impedance load adaption is practically infinite as with all Lehmannaudio phono stages: there is a free slot for a custom impedance so that every existing MC cartridge on the market can be loaded properly. Input capacitances are adjustable as well.
The Decade virtually sends a challenge for a pickup comparison as it meticulously sticks by its specifications.
Soft bass roll-off filter and PWX II power supply.
The Decade is the first phono stage by Lehmannaudio that offers a "Soft-Bass- Rolloff-Filter" and gain selections accessible via toggle switches at the face plate. Both, gain and filter functions, are executed by studio grade relais inside the unit.
The Decade is powered by the PWX II, a power supply especially developed for the unit which is downward compatible with the PWX. This means that Black Cube audio sections can also be connected. The second power outlet at the PWX II is made especially for that purpose. The PWX II power supply with chokes at critical places powers the Decade with very clean DC power and - like the Silver Cube - is connected to the audio section via a shielded cable with Neutrik XLR plugs.
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Decade - Overview
PDF-Overview of our Decade: Introduction, technical details & extracts from reviews.
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Hifi News 2010
"Impressive as it clearly had no difficulty in bringing out a well-detailed and convincingly dynamic sound."
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LP-Magazine 2008
"The combination of practical features, professional design and a technically correct, yet extremely exciting sound quality."
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Image Hifi 2008
"The Decade virtually sends a challenge for a pickup comparison as it meticulously sticks by its specifications."
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Hifi World 2007
"A wonderfully spacious sound, and is truly exceptional in this respect at the price, with fine dimensionality, dynamics and a natural, airy treble."
| Input Stage | Dual mono Microphone preamp Chip newest generation |
| Gain settings | 36dB, 46dB, 56dB, 66dB |
| Max. gain | 66dB |
| Internal impedances (selectable) | 47k, 1k, 100R |
| Onboard slot for custom impedance | ✓ yes |
| Internal input capacitance and cap type | 47p, 100p, 220p, 1n KP 1% and combinations (47p always active) |
| Soft Bass Rolloff filter | ✓ yes toggle switch on face plate |
| High Gain | ✓ yes toggle switch on face plate |
| RIAA filter caps | MKP |
| Bass coupling after RIAA | MKP |
| Second gain stage | Dual Mono Burr Brown OPA 134 |
| Discrete Output buffer Zero global feedback | ✓ yes (Bipolar Class A) |
| Output capacitor | - |
| DC-Output jumper | N.A. |
| Power supply features on audio board | LC Pi-Filter RC-Filters with extensive electrolytic bypass |
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