I currently have a TM150 and the standard Garmin GT20, im looking at doing away with both and getting the GT23M.
Has anyone used one or got information about them.
TM150 - 300w chirp
GT20 - 500w 500w ds
GT32m- 600w chirp 500w ds
I mostly fish 30m out to about 100m
Cheers
ive used its 12pin sidevu cousin the gt51 a lot.
its been one of the better all round transducers ive used and installed , hesitant at first with the lower KH high frequency. im still a bit ...hmm about it.. but it does give stupid range in side vu with 245-275. havnt been able to get deep enough yet to give its downvu a good punish.
im fishing in 20-60mt.
Moose, when you say cousin the 600w Chirp Traditional should be basically the same?
the DV part of it doesn't really worry me it just seems like a reasonable priced 600w chrip Transom mount transducer.
the ultimate plan if I need to is to get a B175 1kw chirp but I have a barcrusher so thru hull isnt so easy.
Would there be much difference between the Gt23 and the B75M other then cone shape. or is this the more to these transducers then the specs in this data sheet, are all 600w chrip transduces similar.
http://www8.garmin.com/marine/PDF/tr...tion_guide.pdf
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