Silencer Ground Enhancer by Puritan Audio Laboratories
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Product Summary:
The Puritan Silencer helps reduce unwanted ground noise in Hi-Fi and AV systems by providing an alternative path for ground currents. Its internal design absorbs and neutralizes noise, helping audio components perform with greater clarity and stability.
..... Click To Read More45 Days
USA
100 Hours
Includes Fly-In Setup and Installation!
Fly-in is limited to locations reasonably accessible to commercial air travel.
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Price:
Silencer Ground Enhancer by Puritan Audio Laboratories
$550
The Puritan Silencer helps reduce unwanted ground noise in Hi-Fi and AV systems by providing an alternative path for ground currents. Its internal design absorbs and neutralizes noise, helping audio components perform with greater clarity and stability.
..... Click To Read MoreProduct Description
Puritan Silencer – Advanced Ground Noise Control for Hi-Fi Systems
Even the most premium cartridges, DACs, preamps, and amplifiers cannot perform at their best if unwanted noise is present in the system’s ground line. Ground instability—caused by constant electrical noise—can subtly affect clarity, detail, and overall sonic performance.
The Puritan Silencer is designed to help reduce this issue by acting as an additional grounding link between Hi-Fi or AV components. Using technologies derived from Puritan’s well-known GroundMaster City and GroundMaster City Ultra solutions, the Silencer offers an alternative pathway for undesirable ground currents.
Its sophisticated internal design works by absorbing noise voltages across a wide frequency range and converting them into harmless heat. This helps minimize interference that can compromise audio performance.
The Silencer can be connected in several configurations depending on the system setup, including:
- Chassis-to-chassis grounding
- Signal ground-to-signal ground
- Tonearm ground-to-preamp ground
Compatible cables are available to support a variety of installation requirements.
As part of the wider Puritan ground noise control ecosystem, the Silencer can be used independently or alongside other Puritan solutions such as GroundMaster, GroundMaster City, GroundMaster City Ultra, and RouteMaster to further enhance system grounding performance.
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Product Description
Lehmann Black Cube SE II – Precision Phono Stage for True Audiophiles
The Black Cube SE II builds on the acclaimed SE circuit, upgraded with superior sockets and an adjustable bass filter, allowing you to fine-tune your system to your personal listening preferences. Designed for maximum musical engagement, it delivers the sensation that your favorite recordings were crafted just for you, bringing instruments and vocals closer than ever.
Tailored for Every System
Compatible with nearly all MM and MC cartridges, the Black Cube SE II includes solder-free slots for custom impedance adjustments, plus an extra hardwired plug-in location for immediate flexibility. Optional matching resistors can be provided with your order at no extra cost, making it easy to optimize the phono stage for your system.
Audiophile-Grade Audio Circuitry
At its core, a high-precision passive RIAA filter network sits between two linear gain stages, built with surge-proof, narrow-tolerance polypropylene capacitors. This design preserves transients, dynamics, and timbres with exceptional clarity. Professional-grade input stages reduce noise while enhancing precision and power. Additional modules handle hum, high-frequency interference, and random voltage suppression, and the double-sided audio board ensures a low-interference signal path.
Dependable PWX Power Supply
The external PWX power supply features a custom toroidal transformer with static shielding, providing stable, safe, and powerful operation. Gold-plated Neutrik XLR connectors maintain secure connections, while shielded cables and mechanically damped aluminum housings minimize vibrations and interference.
Elegant Design
With a choice of silver, black, or chrome-plated front panels, the Black Cube SE II combines audiophile-grade performance with a refined aesthetic that looks as good in your HiFi rack as it sounds in your system.
Professional Endorsement
Known for its neutral, natural sound, Lehmann equipment is trusted by professional recording studios and music experts worldwide. The Black Cube SE II offers a high-fidelity listening experience that reveals every nuance in your favorite recordings.
Note: The sonic profile of Lehmann gear is perhaps the most neutral we can find. This brand is quite popular with our professional music/recording studio clients.
Reviews
AUDIO
“Upgraded to the SE version by the PWX, it was definitely poking the fire again like almost no other phono pre in its price range. Merciless heavy rock by Vanilla Fudge or massive bigband attacks by Count Basie were just about to blaze through the listening room. Pimped in such a hot manner, the Lehmann Black Cube SE II is state-of-the-art.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN-2020_01-AUDIO-Black_Cube_II.pdf
Hifi News
“This is a true audiophile phono stage and, partnered with equipment of equal quality, the results are remarkable. Indeed, the SE II is difficult to fault even compared to the competition in a much higher price bracket. The exceptionally low background noise allied to a fabulous rhythmic and tonal rendition makes it worthy of consideration for those seeking the most detail from their vinyl without having to make a hyperspace price jump.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN_review_Hifi_News_02_2010_SEII_screen.pdf
Hifi News
“To ?nd more depth and detail in music I know so well was a remarkable experience and I warmed to this little gem of a phono stage all over again.”
Specifications
The impressing technical details of the Black Cube SE II.
Sensitivity for output level 775 mV/ 0 dB (with activated high gain switch): MM: 3.8 mV/1 kHz; MC: 0.38 mV/1 kHz
Gain 1 kHz: MM: 46 dB; MC: 66 dB
Maximum input level 1 kHz: MM: 45 mV; MC: 4,5 mV
Signal to noise ratio (RMS unweighted): MM: 71 dB; MC: 63 dB
Gain: 36 dB, 46 dB, 56 dB, 66 dB
Channel separation: > 80 dB at 10 kHz
Input impedance: 47 kohms, 1 kohm, 100 ohms, 1 x custom load, 1 x hardwire slot
Output impedance: 47 ohms
Input capacitance: 100 pF
Channel mismatch: typ. 0.5 dB
Bass filter: 16 settings between 7 Hz and app. 90 Hz
Power consumption: < 3 W
Outer dimensions W x D x H:
Audio section: 114 mm x 124 mm 50 mm
PWX power supply: 93 mm x 233 mm x 45 mm
Weight:
Audio section: 0.6 kg netto
PWX power supply: 1.0 kg netto


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