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Helix 7 Chirp mega review ?? #14143941 09/28/21 03:11 PM
Joined: Jun 2011
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SwampHunter Offline OP
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Thinking of getting helix 7 any reviews on it ? Thanks

Re: Helix 7 Chirp mega review ?? [Re: SwampHunter] #14144019 09/28/21 04:05 PM
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Wayne P. Online Content
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What is the whole unit model name?


Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3,
Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
Re: Helix 7 Chirp mega review ?? [Re: Wayne P.] #14144122 09/28/21 05:33 PM
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SwampHunter Offline OP
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Humminbird® HELIX 7 CHIRP MEGA SI GPS G3 Fishfinder/Chartplotter

Re: Helix 7 Chirp mega review ?? [Re: SwampHunter] #14144198 09/28/21 06:36 PM
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Wayne P. Online Content
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I had two of them, started with one and had the same model G2 that crashed doing a software update and it was replaced by a G3 instead of reflashing the memory last year.

The Helix 7 models that don't have N in their model names are not Networkable (has to be G3N to network). That excludes them from supporting Ethernet accessories or sharing data.

The included transducer is the same Compact SI size as the older generation Helix 7's so its image quality is not as good as the larger units with larger transducers. Longer Imaging piezo lengths create a thinner Imaging pulse and sharper images.
Additionally the Compact SI transducers (regular and MEGA) don't have a Down Imaging piezo so they create Composite DI views by blending the two SI pulses==not a sharp as a dedicated DI piezo.
The processer is less than the larger units which reduces the image quality somewhat.

It has HW CHIRP 2D sonar via a Low-Q CHIRP rated piezo in the 140-240 kHz range, same as the larger units,
It has two Imaging frequencies, 455 kHz and 1.2 MKz single frequency or CHIRPed.

It's still a decent unit though--just depends on what you compare it to.
If any are left in stock anywhere, they should be near close-out sales since the forth generation is due out soon.

[Linked Image]

[Linked Image]

[Linked Image]


Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3,
Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
Re: Helix 7 Chirp mega review ?? [Re: SwampHunter] #14144687 09/29/21 02:43 AM
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Jimfishes Offline
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I have a Humminbird® HELIX 7 CHIRP MEGA SI GPS G3N Fishfinder at console and another one with DI at bow. So far, I like both of mine!

Re: Helix 7 Chirp mega review ?? [Re: SwampHunter] #14144735 09/29/21 03:17 AM
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Whistlebritches Offline
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I have a HELIX 7 CHIRP MEGA SI GPS G3 and a HELIX 7 CHIRP MEGA 360 GPS G3N...... I like both.I use them side by side in the cockpit.I run my navigation,Lakemaster,on the CHIRP/360 GPS model but I gotta admit I prefer the 2D sonar on this unit compared to the Mega Si unit.Personally I think its hard to go wrong here

Last edited by Whistlebritches; 09/29/21 11:02 PM.

On Time,On Target,Never Quit
Re: Helix 7 Chirp mega review ?? [Re: SwampHunter] #14144857 09/29/21 12:33 PM
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Verkeith Offline
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Great units...I have the Helix 7 MDI and MSI G3N units, both work great. Just a thought the new Helix 7 MDI and MSI G4N units will have the mega live imaging feature...may be worth the wait until they are available

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