[CA] [CA11] Transducer choice confusion

[Glennmac]

I have just purchased a axiom 12 mfd and am confused as to what transducer I should purchase. I have a carver 4207 with a 12 degree deadrise and a max speed of 15 knots. I would like to purchase just one transducer, not a pair, and my previous tranducer is on a faring block, although it is an old raymarine transducer from a c120 unit manufactured around 2001?

If I purchase a rv300, can i mount it to the hull, or can I mount it on a fairing block, and if so, do you sell such a fairing block? Alternatively, can i purchase a single rv312 if it would work ok as a single unit?

Thanks in advance for your advise