Fisher Goldbug 2 Metal Detector
Fisher Goldbug 2 Metal Detector
Fisher Goldbug 2 Metal Detector
Fisher Goldbug 2 Metal Detector
Fisher Goldbug 2 Metal Detector
Fisher: Since 1931

Fisher Goldbug 2 Metal Detector

$799.00 USD
Free US Shipping
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Customer Reviews

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T
Thomas ROBB
Two thumbs up

Tried my GB2 today from kellyco and works as advertised in heavy mineralized soils. Detected and pinpointed targets and was able to use headphones from my fisher sharp shooter 2.

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Product Description

The Fisher Gold Bug 2 is engineered specifically for serious gold hunters who demand extreme sensitivity in mineral-rich environments. Designed for prospectors, this detector operates at an ultra-high frequency of 71 kHz, allowing it to locate even the tiniest gold nuggets in highly mineralized soils—making it a top choice for professionals and dedicated hobbyists.


With its 71 kHz operating frequency, the Gold Bug 2 excels at finding small, deep targets where other detectors struggle. It features three versatile search modes: Normal, Audio Boost, and Iron Discrimination, giving users the ability to adapt to varying terrain and target conditions. Manual ground balance with a dual-knob precision control allows for fine-tuning, while the elliptical 10" waterproof searchcoil offers excellent sensitivity and maneuverability. Audio Boost enhances faint signals without amplifying surface targets, and the IRON DISC mode effectively filters out unwanted ferrous trash.


Weighing only 2.9 lbs and featuring a padded armrest, foam grip, and adjustable stem, the Gold Bug 2 is designed for all-day comfort and balanced handling. The control housing is moisture and dust resistant and can be hip-mounted to reduce fatigue. With up to 35 hours of runtime on dual 9V batteries, it’s a reliable tool for extended hunts in rugged conditions.


PurposeGold Prospecting

Specifications

  • Manufacturer: First Texas Products, LLC
  • Brand Name: Fisher Research Labs
  • Country of Origin: USA
  • Warranty: 2 Years
  • Technology: VLF
  • Frequency: 71 kHz
  • Operating Modes: 3 (Normal | Boost | Iron Discrimination)
  • Ground Balance: Manual
  • Discrimination: Yes
  • Target ID: No
  • Numeric ID: No
  • Fe Readout: No
  • Fe-Tone Audio: No
  • Audio: Variable Frequency Audio Output (VCO)
  • Volume: Adjustable (Control Knob)
  • Sensitivity: Adjustable (1-10)
  • Depth Indicator: No
  • Pinpoint: No
  • Memory: No
  • Backlight: No
  • Display: Digital (Four Control Knobs)
  • IP Rating: Not Rated
  • Stock Searchcoil(s): 6" or 10"
  • Headphone Jack: Yes, (1/4”) 
  • Weight: 2.9 lbs 
  • Battery Type: 2 x 9V Batteries 
  • Battery Life: 25-35 hours (Alkaline Recommended)
  • Shop

    Manual

    Support

    For more information and to purchase, visit where to buy , email us , chat with us, or call us at 1-800-685-5050   for any questions.
    For repair service in warranty or out of warranty please fill out the RMA form.

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    Frequently Asked Questions

    What advantages does the 71 kHz operating frequency provide over lower-frequency detectors?

    The 71 kHz frequency offers significantly higher sensitivity to small, low-conductivity targets like fine gold nuggets. While it sacrifices some depth on large, high-conductivity targets, it excels in detecting sub-gram gold in mineralized soils.

    How does the manual ground balance system affect performance in variable terrain?

    The Gold Bug 2 uses a 16-turn vernier potentiometer combined with a 25-position coarse adjustment for precise ground balancing. This allows the user to fine-tune the detector to specific mineralization levels, minimizing false signals and improving target clarity.

    What’s the difference between Audio Boost mode and Normal mode in real-world detection scenarios?

    Audio Boost increases the volume of faint signals without amplifying strong ones. This is ideal for hearing deep or small targets in windy or noisy environments, though it may also make ground noise and hot rocks more pronounced.

    Can the IRON DISC mode be used while searching, or is it best as a target check?

    IRON DISC mode is designed primarily for checking targets after they've been detected in All Metal mode. Because it lacks threshold and is less sensitive to weak signals, it's not ideal for primary search but excellent for identifying ferrous junk.

    How does the retune speed vary across the Mineralization settings?

    Retune speed is fastest in High and Normal mineralization settings, helping suppress ground noise in difficult soils. The Low setting has a slower retune speed but higher gain, enhancing the signal response for small, deep targets in benign soils.

    Does the Gold Bug 2 have true threshold-based All Metal operation?

    Yes. The Gold Bug 2 operates with a continuous, adjustable audio threshold in its All Metal modes, allowing for subtle signal variations that experienced users can interpret for target depth and size estimation.

    Can I use aftermarket coils or other Fisher coils with the Gold Bug 2?

    Only coils designed specifically for the Gold Bug 2’s 71 kHz frequency are compatible. Attempting to use coils from lower-frequency Fisher detectors like the Gold Bug Pro (19 kHz) will not work due to frequency mismatch.

    How does the ESI shielding help reduce false signals?

    The Electro-Static Insulated (ESI) shielding around the coil and internal components minimizes false signals caused by handling noise or environmental interference, especially useful when using high sensitivity settings in mineral-rich ground.

    What are the best practices for achieving optimal depth with this detector?

    Keep the coil parallel and as close to the ground as possible, use the LOW mineralization setting when conditions allow, and ground balance frequently. Also, practice sweep consistency and maintain threshold audio for best performance.

    What’s the recommended sensitivity setting in highly mineralized soil?

    Start with SENS set to 10 and MINERALIZATION set to LOW. If ground chatter is excessive, reduce SENS incrementally or switch to NORMAL or HIGH MINERALIZATION. Always re-ground balance after any sensitivity or mineralization adjustment.

    Testimonials

    What Our Customers Are Saying

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