ChurchTechToday | 10/12/2018 | Paul Clifford
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Everywhere you look, churches are ditching projectors for either TVs or LED walls to use for their church displays. These share one important advantage over projectors that make them attractive to churches: They are bright and they don’t require regular lamp changes, which often cost hundreds of dollars or more.

Here is an overview of the three main options to help your church make the best choice:

Factor - Size - TV - Room - TVs

The first deciding factor to consider is the size of the TV you need for the room. TVs work well for smaller spaces that don’t need as much screen ‘real estate’ as projectors. The problem comes when churches try to replace a 90” x 144” screen (which works out to 170” diagonally) that’s correctly sized for the room with a large TV, say an 85” (41.6” x 74”) model.

Engineers have created formulas that take into account viewing distance and text size to find the optimum screen size for a room. ‘I think that will be big enough’ doesn’t take those factors into account.

Problem - Audience - Image - Issue - Distances

The problem isn’t that the audience won’t be able to see the image at all. The issue is that from normal viewing distances, especially the furthest viewing distance in your sanctuary, the text would need to be larger, proportionally, to be legible.

How much larger?

Display - Half - Size - Quarter - Size

A display that is half as tall and half as wide as another isn’t just half the size, but a quarter of the size. So, an 85” screen is one fourth the area of a 170” screen. What you have in this example is a difference of 3,078.4 square inches vs. 12,960 square inches. That’s a pretty big difference.

You might think that you’ll have to make the text a bit bigger. However, to get the same sized text (and that’s what you want), the font will need to be four...
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