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Message: [QUOTE="Tim58hsv, post: 79938, member: 663"]I've been thinking lately that maybe a preamp such as the CM7777 isn't the best choice for antennas with 300 ohm downleads. Instead maybe a preamp with a 300 ohm input and a 75 ohm output would be a better choice due to the signal loss of the balun. From what I've read a baluns signal loss can run anywhere from 1+db to over 6 db depending on the channel so if it's a fringe channel your trying to pick up, even a 1 db loss of signal before the preamp could kill it.So what do you all think?Here's a link that purports to show average balun signal losses.<a href="http://www.kyes.com/antenna/balun.html">FM TV Baluns</a>[/QUOTE]