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— LED Wall · Fine-pitch indoor

Sony Crystal LED BH P1.5 — cabinet grid & viewing distance

Problem. A fine-pitch indoor wall built from Sony Crystal LED BH P1.5 cabinets needs a defensible cabinet grid before anyone commits to a 4 x 2.25 m (16:9) opening, since fine-pitch panels are sized and priced by the cabinet, not the metre.

Answer. At the 4 x 2.25 m target, the calculator resolves a 7 x 7 cabinet grid, giving an actual wall of 4.2 x 2.36 m and a native resolution of 2800 x 1575 (about 4.4 MP). The small gap between the target and actual size is normal cabinet-snapping behaviour, not a rounding error.

02 / In depth

How this preset reads — the engineering view.

Pixel pitch is the number that decides almost everything else on this page. At 1.5 mm, the Sony Crystal LED BH P1.5 cabinet grid for a 4 x 2.25 m opening snaps to 7 x 7 cabinets, and the same 1.5 mm pitch sets an optimal viewing band of roughly 1.5-3 m (the working rule of pitch x 1.0 to pitch x 2.0). Anyone standing closer than about 1.5 m will start to notice individual pixels; anyone beyond 3 m is simply not using the resolution the panel offers.

900 nits is a controlled-indoor brightness figure, not a daylight or storefront-facing figure — it suits boardrooms, lobbies, control rooms and broadcast studios with managed ambient light, not a window-facing display fighting direct sun. The cabinet is front-service and wall-mount, which matters for a fixed installation with limited or no rear access. At 2800 x 1575 native (about 4.4 MP), the wall comfortably carries native 4K-adjacent content and detailed UI/dashboard material without visible pixel structure at the intended viewing distance.

To use the calculator: drag the wall width and height to see the cabinet grid and native resolution recompute in real time. Because cabinets are a fixed 600 x 337.5 mm each, the calculator snaps your target size to the nearest whole-cabinet grid — so the actual wall it returns (here 4.2 x 2.36 m) will usually differ slightly from the number you typed (4 x 2.25 m). That difference is expected cabinet-grid behaviour, not an error to chase.

The calculator does not decide the structural or rigging load the wall imposes on the wall or frame behind it, the power and data cabling run back to the processor, the video processor or scaler that feeds the wall, how source content should be mapped or scaled to the 2800 x 1575 native canvas, or the ambient-light calibration the panel needs once it is live in the room. Those are downstream engineering and installation decisions that follow from, but are not answered by, the cabinet grid.

What this preset deliberately does not solve

  • The 7 x 7 grid and 4.2 x 2.36 m actual size are specific to this cabinet's 600 x 337.5 mm footprint — a different fine-pitch cabinet size will snap to a different grid for the same target opening.
  • 900 nits assumes a controlled indoor environment; the calculator does not model ambient light or apply a brightness derating for daylight-facing locations.
  • Cabinet count and resolution are geometric outputs only — they do not account for bezel/seam tolerance, calibration variance across cabinets, or content mapping to the native canvas.

How this preset differs from its siblings

Other fine-pitch indoor LED products in the catalogue sit at coarser pitches, lower brightness, or rear-service cabinet designs, which changes both the optimal viewing distance and the access planning around the wall. This cabinet's 1.5 mm pitch pulls the optimal viewing band in to roughly 1.5-3 m, its 900-nit rating positions it for controlled-indoor rooms rather than higher-brightness semi-outdoor or facade use, and its front-service, wall-mount profile suits fixed installations without rear access — a distinct enough combination that it warrants its own preset rather than sharing a generic fine-pitch entry.

03 / Hydrated calculator

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