
Asimi Ultra L RCA Grun
OCC Solid Silver interconnect.

The best RCA interconnect cable we know how to make.
A true ‘state-of-the-art’ pure silver interconnect designed to be effectively ‘invisible’ in the replay chain, revealing the entire content and ambience of the recording without any sense of exaggerated detail or ‘brightness.’
The original aim of the Atlas Asimi project was to take a completely fresh look at cable design and, where necessary, to develop new techniques to create a cable which would satisfy the most critical listeners for years to come. For this latest generation version, we again went back to basics, re-assessing our existing design & manufacturing processes, exploring different construction methods and experimenting with new materials.
Silver cables have something of a reputation for unpredictable sound quality in some quarters; we believe the Asimi definitively shows the problem is typically with either: a] low-grade materials and poor manufacture; or b] using high quality silver cables which can reveal previously unnoticed limitations in the source material or elsewhere in the system.
The Asimi Ultra L RCA features a pair of silver conductors, manufactured using the highest-quality ‘Ohno Continuous Cast’ technique for drawing pure silver, coupled with an advanced microporous PTFE dielectric. This in turn is covered by a continuous electrostatic screen and a silver-plated copper shielding braid, ensuring minimal susceptibility to RF interference and noise.
The ultra low-mass, wide bandwidth, cold-weld Ultra L (Latik) RCA plug benefits from an innovative and extremely stable non-conductive 3D-printed geometric lattice structure. The cable also incorporates our precision dd (dual-drain) system and Atlas’ Grun Coherent Earthing System (Grun lead & spade adapter included).
The result is the best cable we currently know how to make. Asimi, perhaps more than any other product, is responsible for Atlas now being viewed as one of a handful of top manufacturers worldwide.
The Asimi Ultra L RCA interconnect. Our analogue masterpiece.
For more detailed information refer to the Asimi RCA white paper in our Technical Library.
Key Features. Essential characteristics of this product.




Product Specifications.
Construction | Symmetrical/Stranded |
Conductor | OCC Silver |
Dielectric | Microporous PTFE/PEF |
Screen | Foil/OFC braid; Dual Drain |
Capacitance | 32.55 pF/m |
Inductance | 0.531 µH/m |
Resistance | 0.0184 Ohms/m |
Outside Diameter | 10.8 mm |
Colour/Finish | Silver Fabric/Luxe options |
What’s In The Box?

- Interconnect Cable Pair
- Grun Cable 1:2 1
- Grun Spade Adapter 1
- Cleaning Cloth 1
- Cotton Gloves Pair
- USB Stick 1
Reviews. What the specialist media say…

…here’s a similar myth that silver cables all sound ‘bright’. They don’t, and the Atlas Asimi Ultra illustrates this beyond doubt. Reflecting the mood of the music, the Asimi Ultra allows the very best hi-fi systems to sing – sing loud, sharp and clear when required or soft, slow and relaxed as the recording demands. It’s a true flagship cable.

The Atlas Asimis are expensive but they are superbly constructed and, most importantly, have a gravitas few others can match. They impose little of their own character on the system and allow the music to flow freely. The bespoke leather sheath is also something not seen elsewhere and adds to the luxury feel. Plug these into your system and you will definitely hear a difference.