AmPro 7400 User Reviews
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I bought this monster at AmPro's bankruptcy auction along with several other 7000 series units. It was an engineering example, used to test mods. I converted it to a standard unit and ran it for some time before selling it. It's big, heavy, and all the fans make some noise, but wow..what a picture! The picture quality is absolutely amazing and the color is stunning. All on a picture that looks best when it's measured in yards rather than inches or feet. These AmPro light valve projectors are dirt cheap these days and support is very hit or miss as no major company supports them. But if you can get a good one and don't mind taking some risks and have a place to put it, the picture will make you love it.
Any Problems: Hard to say what problems I'd encounter with a regular production example as this wasn't one. It was an engineer's toy and had been modified several ways. I returned it to a stock-like condition, and that took a lot of work and parts salvaged from other chassis. I became a decent 7000 series technician from working on these monsters. I did have to contend with some minor failures, though. Eventually the lamp failed and the lamp control circuit burned up the lamp contacts tryin to restart it. Lucky I had spares because that was an ugly screwup. I replaced the lamp control circuit, too. If you buy one of these now, buy two or more and expect to use them to keep the first one running. They're certainly cheap enough these days. And I recommend that you have some electronics knowledge and a willingness to do the maintenance yourself, because the few trained techs who can work on them are going to charge a high rate if you can even locate them.