My AFI's will do the danger signal very easily. The little compressor is mounted maybe 2' from the horns. Another advantage of a small compressor. Keith _____ I have a million dollar body -- but it's all loose change! ----- Original Message ----- From: "Albin43SDtr" <Albin43SDtr@comcast.net> > > Since the purpose of having a horn is to warn another boater, > pedestrian or whatever of something, it follows that all types of > warnings should be clear and distinct - and timely. Almost any horn > can give a nice long blast. The test is to give a danger warning > signal of five quick blasts. Most air horns that use a direct > compressor fail that test miserably.