— LED Wall · Fine-pitch Indoor
LG MAGNIT LSAA (P1.5) — cabinet grid & viewing distance
Problem. A 4 x 2.25 m indoor video wall (16:9) needs a fine-pitch cabinet that stays sharp for viewers as close as 1.6-3 m without the cabinet grid or native resolution becoming a guessing game before procurement.
Answer. The LG MAGNIT LSAA (P1.5) resolves this wall as a 7 x 7 cabinet grid, giving an actual built wall of 4.2 x 2.36 m and a native canvas of 2688 x 1512 pixels. The calculator's closest-seat default of 3 m sits inside the pitch's optimal viewing band for video content.
02 / In depth
How this preset reads — the engineering view.
Pixel pitch is the number that decides everything else downstream. At 1.56 mm, the LG MAGNIT LSAA (P1.5) sets both the cabinet grid the calculator returns (7 x 7 cabinets for this wall) and the optimal viewing band for video content of roughly 1.6-3.1 m (pitch x 1.0 to pitch x 2.0). Inside that band the pixel structure disappears into a continuous image; closer than 1.6 m, individual pixels start to resolve to the eye.
At 1200 nits, this cabinet is built for a controlled indoor environment — a boardroom, lobby, or briefing space without direct sun or bright window glare, not an open-shade or daylight-facing location. Front-service access and wall-mount fixing keep the installation profile shallow, which suits a flush feature wall where rear access for maintenance isn't available. The native canvas this wall produces — 2688 x 1512, around 4.1 megapixels — comfortably carries 1080p and near-4K source content without heavy upscaling.
To use the calculator: drag the wall width and height sliders and watch the cabinet grid and native resolution recompute in real time against the 600 x 337.5 mm cabinet module. Because cabinets are whole units, the calculator snaps the grid to the nearest full row and column — so the actual built wall (4.2 x 2.36 m here) will differ slightly from whatever target size you drag to, and that's expected, not an error.
What the calculator does not decide: the structural and rigging load the wall imposes on the supporting wall or frame, the power and data cabling run back to the controller position, the video processor or scaler that feeds the cabinet's native resolution, how source content gets mapped onto a non-standard aspect canvas, and any ambient-light calibration the room may need even though this is an indoor, controlled-light product.
What this preset deliberately does not solve
- Structural and rigging capacity for the wall-mounted cabinet load is not assessed by the calculator.
- Power distribution, data cabling and processor/scaler selection are separate design steps, not calculator outputs.
- The 1.6-3.1 m band is a viewing-comfort guide for video content, not a fixed rule for still graphics or logos, which can tolerate closer viewing.
How this preset differs from its siblings
Within the fine-pitch indoor category, cabinets vary chiefly on pitch and brightness, and both move the viewing-distance and grid math this page states. A coarser pitch in the same category pushes the optimal viewing band further out and changes the cabinet count for an identical wall size; a lower-brightness cabinet suits a dimmer room but not one with any ambient light spill. This page exists separately because the 1.56 mm pitch, 1200-nit brightness and front-service wall-mount profile combine into one specific, defensible answer for a 4 x 2.25 m controlled-indoor wall — swapping any one of those specs changes the grid, the resolution, or the room fit.
03 / Hydrated calculator
Try the configuration — live.
The calculator below is preloaded with this preset’s state. Adjust any input — your URL stays shareable.
— Calculator · LED wall size
The wall built cabinet by cabinet.
Pick a brand, model, wall dimensions and viewing distance. Cabinet count, native resolution, power, weight and feasibility flags resolve in real time. Sources cited.
Cabinets
49
7 across × 7 down
Native resolution
2688 × 1512
4.1 megapixels
Actual wall
4.20 m × 2.36 m
9.9 m² · cabinet-snap
A planning link — not a quote.
- model
- LG MAGNIT LSAA — P1.5
- pitch
- P1.56 mm
- brightness
- 1,200 nits
- refresh
- 3,840 Hz
- viewing
- 1.56 m – 3.12 m optimal
- weight
- 318 kg
- power
- avg 1.98 kW · peak 4.47 kW
Premium fine-pitch for executive boardrooms and broadcast studios. 1200-nit headroom for partially-lit rooms.
Indicative cabinet build for shortlisting — confirm structure, power and processing against a site survey before ordering.
What changes this estimate
- Actual viewing distances in the room
- Pixel pitch availability in the chosen series
- Content type (data, video, fine text)
- Mounting structure & cabinet dimensions
Feasibility
Cabinet grid resolves to 4.20 m × 2.36 m (target was 4.00 m × 2.25 m).
A planning link — not a quote.
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Brief us on the project — with this configuration.
Presets are a typology starting point. The brief wizard captures the room geometry, programme and constraints we need to translate this configuration into a real design.