The massive dual-section capacitor can be switched (via a front panel controlled relay) from the input side to the output side of the tuning network to provide maximum flexibility in tuning range. The BT1500A features two precision ceramic body roller inductors mounted in tandem. Since that review, the engineers at Palstar have taken the AT1500BAL and reengineered the entire tuner inside and out, reintroducing it as the BT1500A Balanced Antenna Tuner. In his QST article Hallas reviewed the earlier model, the AT1500BAL, as a high-power solution for amateur operators looking for a balanced tuner. the classic solution has been the use of an inherently balanced tuner." The result can be heating and loss (and occasional damage) at the balun. "unfortunately, the typical random sized center-fed antenna with random length ladder line feed has an impedance at the feed point that varies dramatically with frequency. So why buy a balanced tuner? Joel Hallas described the problem many antenna tuners experience in his September 2004 QST article on balanced tuners. I run mine with a 160 meter loop through the trees 50 foot in the shape of a jacked up rectangle with 600 watts and the signal reports I get on ALL bandsġ0-160 are comical and sometimes make me feel guilty.Buy It!! Just Buy it! - AD5VM" Read more on .Ī dual section capacitor provides the correct amount of capacitance for both low band and high band operation, and is relay-switchable between the input and output side to provide the maximum possible range of impedance matching. Work with, all the bad things you ever heard about it was probably just propaganda created by Big Coax! :D keep your runs a couple inches from gutters and window frames and put a twist in itĮvery few feet and you'll be fine. 5/5 The thing is built like a brick.house inside a battleship and the customer service couldn't be better.
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