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What are characteristics of good detector audio?

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  • What are characteristics of good detector audio?

    I have many detectors and find the audio of some of them more pleasing than others. It doesn't always come down to the cost of the detector either - I like the way the Surf PI Pro I have responds to good targets with often a fast attack beefy sound. The CTX on the other hand, doesn't have the magic, but its my main detector right now anyway. The Excal has a nice PWM sound that I love because I'm a music synthesizer guy... What do you guys think - what are the best characteristics you've found with detector audio? Are there certain waveforms more preferable - saw, pulse, triangle, or could we add ring modulation and have things get interesting...

  • #2
    It depends what you prefer and that the signal is able to tell you what
    is important for yourself. The more info the audio provides, the better!

    Different tunes for different metal, long for larger objects, short for smaller,
    repeatable "between the background noise" changes which can lead to super
    deep or very small finds and a signal-structure which is not annoying.

    Personally I don't use audio any longer because the Makro Racer offers vibration!
    I listen to all kind of really loud music while hunting which is much more amusing!

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    • #3
      Don't think it matters too much as long as its consistent.

      Whites classic
      Tesoro Bandido
      Fisher 1260

      Are all very different. Brain just sorts it out.

      prefer the Fisher 1260 even over the T2 on targets that are at the edge of detection.

      At the end of the day you just need a dig or don't dig and a bit of information as to the condition of the ground.


      One thing that is useful but missing from the 1260 is a true no motion mode. Working out the size and shape of targets often eliminates wasting time and works great next to trees.

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      • #4
        Funfinder, what are the characteristics of the vibrations - any discrimination ability or does every target signal the same and you look at the ID?

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        • #5
          Also, what and where is the vibration device? I don't see it in your other thread with pcb photos.

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          • #6
            Originally posted by bklein View Post
            I have many detectors and find the audio of some of them more pleasing than others. It doesn't always come down to the cost of the detector either - I like the way the Surf PI Pro I have responds to good targets with often a fast attack beefy sound. The CTX on the other hand, doesn't have the magic, but its my main detector right now anyway. The Excal has a nice PWM sound that I love because I'm a music synthesizer guy... What do you guys think - what are the best characteristics you've found with detector audio? Are there certain waveforms more preferable - saw, pulse, triangle, or could we add ring modulation and have things get interesting...
            Agility, accuracy, fast response, fast recovery speed.
            Adjustable treshold.

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            • #7
              Originally posted by bklein View Post
              Funfinder, what are the characteristics of the vibrations - any discrimination ability or does every target signal the same and you look at the ID?
              First I'm using the main disc - per instance set to Metal-ID 25 so rusty nails are rejected but steel, coins etc. give a signal.


              The next "discrimination" comes from the vibration - when I'm looking for large finds I don't care about any short vibrations.

              But this is what you wanna know:
              Large finds start with a soft or weak vibration and while slowly sweeping, the detector gives almost a constant vibration
              signal over the whole "find area", even if its a motion-circuit. So its pretty simple to estimate the size or even depth of
              the find if you hold the coil at an angle of 30°-45°. While coins per instance give a very short and intensive vibration.


              Step 3 would be to pinpoint the signal to get an exact metal ID value but I don't use this very often.
              Some regions where I search are so empty that its better to collect everthing I can get there anyway.

              But of course for people who wanna find with vibration special stuff like coins only, this is a very good method
              to dig just the stuff which shows already some pretty good metal ID - like 80-100 for silver per instance.


              And last but not least:
              The most highest sensitivity is reachable while holding the pinpointing-switch - this way the finest
              ground-balance differences are adjustable and will trigger the vibration already at super weak finds.

              Click image for larger version

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