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what is the difference White's surfmaster pi and the surf pi dual field
- Thread starter planchkr
- Start date
robby4570
Member
As far as I know it, the DF is a Dual Field and the Surf PI is a single. I have the Surf PI and love it! The DF may give you a bit more depth but mine goes deeper than I care to dig on rings now. I have the Sunspot Stealth 720i Scoop so my scoop is no slouch and digs REALLY deep holes. If I were to do it over, I may have gotten an Excalibur first but the price on the Surf PI was right - $175.00 used! I would NOT want to NOT OWN a PIU machine and that DF should serve you very well in Cali...
I use my PI's in the water not on beach so keep that in mind.
I've had both. Over time had 3 surfmasters and found a lot of gold with them. They were a real pleasure using in the water the coil is very thin and cuts through the water with ease. The auto tune worked great and compensated for wave height so that the machine did not vary in threashold with evey change with water motion. The nearest machine in performance made today is the Tesoro SandShark. It is as smooth sounding, as easy to push through the water and the VCO setting is a real plus in my opinion.
I had the Dual Field for about 3 months and sold it. The coil it much thicker than the surfmaster and in the water is markedly more difficult to swing. I think its worse than a Fisher CZ20/21 but I still use them. I don't know if it has an auto tune in it. The tone of my machine changed with every change of wave height making it uncomfortable to listen to. The dual field thing is, I believe, the double coils. The large outside coil gets deep and the smaller inside coil makes it easier to pinpoint. I think it is the larger size of the outside coil that makes it a deeper machine.
Now on land the dual field may be a terrific machine. Also, I didn't use the dual field long enough to claim any real expertise on it.
I've had both. Over time had 3 surfmasters and found a lot of gold with them. They were a real pleasure using in the water the coil is very thin and cuts through the water with ease. The auto tune worked great and compensated for wave height so that the machine did not vary in threashold with evey change with water motion. The nearest machine in performance made today is the Tesoro SandShark. It is as smooth sounding, as easy to push through the water and the VCO setting is a real plus in my opinion.
I had the Dual Field for about 3 months and sold it. The coil it much thicker than the surfmaster and in the water is markedly more difficult to swing. I think its worse than a Fisher CZ20/21 but I still use them. I don't know if it has an auto tune in it. The tone of my machine changed with every change of wave height making it uncomfortable to listen to. The dual field thing is, I believe, the double coils. The large outside coil gets deep and the smaller inside coil makes it easier to pinpoint. I think it is the larger size of the outside coil that makes it a deeper machine.
Now on land the dual field may be a terrific machine. Also, I didn't use the dual field long enough to claim any real expertise on it.
My DF has been used in many hunts since 2009 and has never been back to the factory!
I hunt in Long Island Sound on the NE Coast with no experience in California. Yes my DF is a bit harder to swing through the water, but slowing down a bit has helped me to cover my hunting grounds better I think. If it was a real issue I would know as I turned 71 last July!! I have added a brace to allow me to lean gently on the coil and shaft to steady myself when digging. The brace created more drag and is still no problem for me.
As of the end of last year the DF has helped me recover 109 pieces of gold and has paid for itself several times over!!
I haven't tried the other machine so I can't compare the two, but I respect the DF enough I now call it "Mr.Dual Field"!!
GL&HH Friend,
CJ
PS: See my post on page 3 showing my 2012 finds for a look at all my DF gold finds up until that day (I have two more gold since!!).
I hunt in Long Island Sound on the NE Coast with no experience in California. Yes my DF is a bit harder to swing through the water, but slowing down a bit has helped me to cover my hunting grounds better I think. If it was a real issue I would know as I turned 71 last July!! I have added a brace to allow me to lean gently on the coil and shaft to steady myself when digging. The brace created more drag and is still no problem for me.
As of the end of last year the DF has helped me recover 109 pieces of gold and has paid for itself several times over!!
I haven't tried the other machine so I can't compare the two, but I respect the DF enough I now call it "Mr.Dual Field"!!
GL&HH Friend,
CJ
PS: See my post on page 3 showing my 2012 finds for a look at all my DF gold finds up until that day (I have two more gold since!!).
I'll take a stab at that one. I do know that the co-developer of the SMPI, Bill Lahr--disliked noisy detectors. He did some things with the circuit of the original SM to smooth it out and quiet it down and make it re-tune more effectively. In the course of my publishing his book Bill and I had a few conversations about the SMPI and how it differed from both the Pro and DF. He modified a Dual Field for me to be more like the SMPI by reducing the amount of up front transmit signal or "front end". The result was a smoother machine that could be run in black sand and at full Gain. On the other hand, I've always liked the threshold of the stock Dual Field too in that under certain conditions very deep signals can be heard as variations in the "beat" of the chattering threshold. I'm still testing and comparing both. The DF coil is an Eric Foster design that encorporates two coils--one that gives depth and the smaller one inside that helps the machine have sinsitivity to small objects. The DF is very impressive in this way--hitting even chains with proper coil control and tuning. I've always been appalled when I see posts by guys who say that they tested the DF and were unable to get any depth from it--in that this machine is a real powerhouse rivaled only by gold field capable units like the TDI, SD and GPX series. These tests can only be under freakish conditons. The SMPI coil is also a very good one. I have one on my Barracuda (similar in design to the SMPI) and the depth is phenomenal. Hope this helps.
cjc
clivesgoldpage.com
cjc
clivesgoldpage.com
