Quick comparison between:Fisher Impulse
Tesoro Sand Shark
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|Options||Fisher Impulse||Tesoro Sand Shark|
|Battery Type||8 AA||8 AA|
|Operating frequency||5.333 PPS||600 PPS.|
|Target ID||Audio+LED Light||Audio|
|Tone ID||Single||Single Tone|
|Ability to change coils||No||No|
|Waterproof||250 feet||200 feet|
|Number of Reviews|| 1
|Avg. User Rating||4.33||4.25|
|Avg. Durability Rating||5.00||4.17|
|Avg. Ease of Use Rating||4.50||4.17|
|Avg. Depth Rating|
Most helpful review for Fisher ImpulseFisher impulse
This is my first Fisher detector. When I decided to get this detector it was because I heard it had good depth.
When my wife and I go out detecting, it's usually Friday till Sunday, and the ability of Fisher to work on 8 AA batteries for 6 months is outstanding, plus to change them is simple. Some detectors you have to plug in every night to get a hunt out of them.
It's a non-motion detector, which I like. I would not recommend this unit for a beginner water-hunter because unlike other detectors, you must have three arms to operate this unit.
One for your scoop, one for holding the detector, and the other for continually adjusting the detector "sensitivity" knob.
Using it at the beginning was hard and the threshold was annoying.
It took me some time to get used to it. It is the same in fresh and salt water. As soon as you take a step deeper, the threshold changes so you have to walk in a straight line parallel to the shore. It works in wet sand but you get better depth in the water.
I would suggest to the manufacturer that the sensitivity knob should either be made a bit tighter cause even a light touch will change the sensitivity. I had to take the knob off and wrap a rubber band around the pin.
Overall I have had very good luck with the Impulse.
I would estimate the depth on a medium size gold ring to be about 18 to 24 inches. I have dug some pretty deep holes.
If Fisher could make the threshold stable, with the same depth, performance and the same price tag, I 'll be the first in line.
I normally don't carry a measuring tape with me, but my non scientific guess would be, I could get a 12-14 inches on a US quarter when there is no wind and the water is calm using a 10 inch coil.
Vlad from CT
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Most helpful review for Tesoro Sand SharkSimply the best.
I've been using the Tesoro Sand Shark for nearly a year now. It is hands down the best salt water machine on the market. From Jan 1 2011 until now, May 19 2011, I have found 105 rings. (26 gold, 35 silver, 44 junk). That does not include the 3 gold necklaces, or the multitudes of silver necklaces and bracelets found, nor the droves of earrings, both gold and silver.
I hunt typically 4 days per week. Many of my hunting pals use the excal. The Tesoro Sand Shark outperforms them with regularity. It is deeper than the Excal, even with the 8" coil.
It is super sensitive and does find the small gold that the excal, and most of the rest, can't.
There is no discrimination on this machine. It is a straight PI machine. You will dig trash and iron. Just like the rest do. Excal will null on iron which is nice, but now that the Bobbi pins are made of non-iron material, that feature is now worthless.
Do yourself and your wallet a favor. Get this unit. You'll not be disappointed and you'll have the finest PI machine on the market.
Did I mention the lifetime warranty? LIFETIME!
DewGuru from Gulf Coast, Florida
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