Synergistic Research Tranquility Linear Power Supply UEF Key Features:
- Three Decades of Expertise – Builds on 30 years of AC power innovations, from the original AC Master Coupler to high-performance fuses and PowerCells.
- Solid Billet Aluminum Chassis with Active EM Conditioning – Expands soundstage, improves bass control, and lowers the noise floor for greater resolution across all SR components.
- Optional Grounding – Direct connection to an SR Active Ground Block (sold separately) further reduces system noise.
- Included SR Pink Fuse – Enhances overall system performance with improved clarity, dynamics, and musicality.
- System-Wide Upgrade – Designed to elevate DACs, turntables, audio servers, and Tranquility Bases/Pods, delivering noticeable improvements in detail and refinement.
Product Description:
For 30 years, Synergistic Research has focused on AC transmission, beginning with the original AC Master Coupler in 1994 that helped define the high-end power cord industry. The company went on to develop the world’s first patented non-current-limiting PowerCells and engineered the highest-performance audio-grade fuses. Building on three decades of power expertise, Synergistic Research now introduces the apex power supply for DACs, turntables, and audio servers—including the Roon Nucleus.

Solid Billet Aluminum Chassis with Active EM Conditioning
With a Tranquility UEF Power Supply powering Tranquility Bases and Tranquility Pods, the system’s soundstage expands in size and scale. Low frequencies gain impact and control, while overall resolution improves due to a lower system noise floor. The result is a system-wide upgrade, enhancing dynamic range and refinement across all SR components for a noticeable improvement in overall performance. Available for risk-free in-home audition.

SR Ground Block—This goes to 11
The Tranquility UEF LPS includes a direct ground connection, allowing optional grounding to an SR Active Ground Block (sold separately). This further lowers the system’s noise floor, enhancing performance across all active SR components.
SR Pink Fuse installed—Beauty is in the Eye of the Fuse Holder
SR Pink Fuse included ($249.95 value)
Optional Power Cable Upgrades
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Foundation SX 12 AWG
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Included standard
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Foundation SX 10 AWG
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+$100 (MSRP $699)
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Foundation SX XL 12 AWG
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+$349 (MSRP $999)
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Foundation SX XL 10 AWG
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+$499 (MSRP $1,199)
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Atmosphere SX Alive
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+$895 (MSRP $1,495)
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Atmosphere SX Excite
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+$1,495 (MSRP $2,495)
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Atmosphere SX Euphoria
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+$2,295 (MSRP $3,495)
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Galileo Discovery
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+$5,500 (MSRP $6,995)
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*One power cable upgrade discount per purchased Tranquility UEF LPS
Specifications:
Power Output - Single output 3.5A (Available in 5V, 9V, 12V, 15V and 19V)
Dimensions - 2.6″h x 10″w x 6″d
Weight - 6.2 lbs.