AV Guides
Practical how-to guides and explainers. Each one ends by pointing you to the calculator that does the math.
Presentation Screen Size: How to Calculate It (AVIXA 4/6/8)
Calculate the right presentation screen size from viewing distance using the AVIXA 4/6/8 rule — with a worked example and step-by-step calculator instructions.
Updated 2026-09-27
What Size TV for Your Room? Viewing Distance Guide
Choose the right TV size for your living room from seating distance — a size-by-distance table, 4K vs 1080p, and when to go bigger.
Updated 2026-09-27
55 vs 65 vs 75 Inch TV: Which Should You Buy?
Choose between a 55, 65 and 75 inch TV using viewing distance and room size — with the price and pixel-density trade-offs explained.
Updated 2026-09-27
How to Choose a Home Projector
Pick a home theater projector by the three numbers that matter: brightness (lumens), throw ratio and resolution.
Updated 2026-09-27
LED Wall vs Projection: Which Fits Your Project?
LED walls beat projectors on brightness and longevity; projectors win on cost and flexibility. Decide with pixel pitch, nits and room light.
Updated 2026-09-27
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