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Stick to what you know, you are way out of your depth

"I will just say that UPSs are death to sound and afford little protection from lightening"

It depends on the UPS. I can assure anyone that a very large well designed UPS will have no degrading effect on a sound system, even the best equipment on the market. It is important for anyone choosing one for very high end equipment to be sure its harmonic distortion is low and its capacity is well in excess of the peak current demand which would be required during the loudest music. Many professional sound engineers now routinely install them. Look for brand names like Liebert, Exide Powerware, and MGE. I've used this type of equipment on some of the most sensitive scientific measuring equipment in the world and it functioned perfectly. That is what engineers do, make the right choices for spending money. As for lightening protection, an on line UPS offers complete input/output isolation through a rectifier and inverter. It would blow up before the connected equipment were damaged. That's one reason why they are used to protect the most critical computers, data networks, and data centers in the world. When money is no object, UPSs are the only choice.

"I know you will make your own decisions, but remember that SM speaks for only a portion of what is reality and of concern."

Yes, just that portion represented by the engineering community.

"The first time I had a surge filter on my computer but nothing on my stereo, both of which were off but not unplugged. The surge filter and my computer were taken out by the lightening strike as was my wireless telephone. The stereo was unaffected."

That is not surprising at all. The only reason your stereo system wasn't also taken out was because either it was connected to a circuit on the opposite leg of the transformer secondary which was hit or the voltage wasn't high enough to arc over the main power switch in the stereo but was in the computer.

"The second strike hit with my stereo system on and only six feet from the water heater whose exhaust chimney was struck. Again I had surge filters on both computers that were some distance from where the lightening struck. The lightening fried my garage opener, my intercom system, fax machine, and telephones in addition to burning a hole in the gas line of the water heater. The stereo was on a Sound Application filter and was totally unaffected."

Again you were lucky and if the filter was in series with the stereo equipment the way an on line UPS is, it would be sacrificed ahead of the stereo equipment and therefore protect it. You were lucky that wasn't damaged too.

Q; How do you get to Texas?
A; You walk west until you smell it, and then you walk south until you step in it.

That was told to me by a guy who said he was from Montana where men are men and sheep are nervous.

I didn't coin the phrase "dumb as Texas" for nothing.


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