Raymarine Cpt-120 Bronze Thru Hull With Fairing Block (Part #A80350 By Raymarine)

[Music] hi Kappa wrong with the GPS star we usually do our videos out on the water but today we're on land doing some boat work so we thought this would be a good time to address one of the most mysterious subjects and marine electronics transducers one of the most common categories of transducers for larger fishing boats say 28 feet and up is what's called a bronze through Hall transducer and we've got two examples of those here from AMR this is a 600 watt B 744 this is a one kilowatt B 258 these transducers offer excellent performance but because this entire unit is below the hall that gives you a lot of transducer phase for a powerful signal however it needs to be used with what's called a high speed faring block which is mounted around the transducer to channel water this makes sure that it also gets clean water across the transducer face it also has a lot to do with not having this