Description
Discover the hidden clarity in your audio system with the QA StageDisc, a passive EMI absorber crafted for high-performance sound systems. Designed to suppress unwanted electromagnetic noise from electrical equipment, this disc helps unlock finer detail, better separation, and a more 3-dimensional, layered soundstage.
At the core of the StageDisc is a proprietary and uniform blend of submicron to near-nanoscale particles (≤1μm). All materials are laboratory-grade, premium quality metals, screened for optimal crystallinity and surface area-to-volume ratio. This ensures maximum interfacial contact within the mix, resulting in consistent absorption performance.
Encapsulated in a non-conductive, mechanically stable and palm-size acrylic disc, the QA StageDisc requires no power, operates silently, emits no fields, and does not interfere with signal flow. Simply place it near or on top of digital sources, networking equipment or power supplies to help suppress electrical noise propagation — no grounding, no cables, just immediate sonic benefits.
EVA foam on both top and bottom of the disc ensures one could place it on either face, and even placing small equipment like streamers or DDC on top, without worry of scratching on any surfaces.
Whether you’re using a reference DAC, a high-fidelity network streamer, or a dedicated power conditioner, the QA StageDisc helps clear the electronic haze instantly that may cloud audio reproduction. The improvement state will be fully stabilised in 24 hours once placed and untouched.
Some equipment will need just one disc, some will benefit with two. Even different regions of placement on top of equipment can yield different degree of effects, especially easy picked up by headphone users – this is how sensitive and how well the absorption of EMI by our QA StageDisc can be. So play around with the placements to find the sweet spot!
DIRECTIONS FOR USE:
- Grab the edge of the disc and spin your hand left-right a few times to shake the content inside for even distribution before use.
- Place on top of your equipment, particularly the digital sources or power conditioner and observe the region where StageDisc makes the most desirable effects.
- Practically it doesn’t need replacement at all, but every few weeks or months you could just repeat the spinning and shaking to reset the distribution evenly once more.
StageDisc is different from our ground boxes – be it concept, application or results. If the majority effect of our ground boxes uses is on transparency and bass/mids definition, StageDisc is on the 3D staging, layering and depth from the improved clarity. They totally complement each other.
DIMENSIONS: 95mm in diameter, 15mm in thickness
WEIGHT: approx 95± 3g each
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