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Spyder…. I am about to purchase one of these units. Why the two transducers? Is it about mounting on a Deep V?
Also, all the conversation about even upgrading the standard unit that comes with it… a knowledgeable guy at Bass Pro said unless I was fishing really deep water (I don’t), that it wasn’t needed. I have not found other good info on it either way.
1. I’m running two of them because the outboard (no jackplate) on my boat would block the left SI beam. Humminbird recommends 5? inches of clearance between the transom and outboard. Otherwise if you run a jack plate you can mount it centered on the transom with no problem. I’m happy with the performance of the boat so it was cheaper to go with a second transducer than a jackplate.
2. The compact SI transducer that is included doesn’t have the 800mhz signal capability even though the 899 head unit does does. Basically the higher the frequency, the more detailed the picture can be provided. Trading it into Humminbird cost me 75 dollars…a lot cheaper to do it now than to buy it later.
I have to admit Im surprised that humminbird didnt include an HDSI transducer with it..kinda lame if you ask me that you have to pay to upgrade. On the other hand, the 899 is about 300 bucks cheaper than the 898 model was.