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✅ SINCE 1931 – THE PIONEER IN METAL DETECTING

Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Goldbug Metal Detector
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Goldbug Metal Detector
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher Gold Bug Metal Detector with a 5-inch searchcoil, 19 kHz operating frequency, ultra-sensitive gold detection, target ID, and ground balance adjustment, designed for prospecting small gold nuggets in highly mineralized soil.
Fisher: Since 1931

Fisher Goldbug Metal Detector

$369.00 USD
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Product Description

The Fisher Gold Bug is a specialized metal detector designed for prospectors seeking small gold nuggets in mineralized soil. With its 19 kHz operating frequency, it offers superior sensitivity to fine gold, making it an excellent choice for both beginners and experienced treasure hunters. Its standout feature is the Ground Grab® automatic ground balancing, which helps eliminate false signals in highly mineralized environments.


Built for performance, the Gold Bug features VCO audio, a large numeric target ID (1-99), and adjustable discrimination to filter out unwanted metals. The 5” DD waterproof searchcoil provides precise target separation, especially in challenging terrains. With manual and automatic ground balancing, users can fine-tune their search for maximum depth and accuracy. The pinpoint mode further enhances precision, ensuring efficient target recovery.


Designed for comfort and durability, the Gold Bug weighs only 2.5 lbs., making it lightweight for extended use. Its digital LCD display ensures easy operation, while the long-lasting 9V battery delivers up to 20 hours of detecting time. Whether searching in rocky terrain or sandy riverbeds, the Fisher Gold Bug delivers reliable performance with advanced prospecting technology.


Purpose: Coin Shooting, Relic Hunting, Gold Prospect

Specifications

  • Manufacturer: First Texas Products, LLC
  • Brand Name: Fisher Research Labs
  • Country of Origin: USA
  • Warranty: 2 Years
  • Technology: VLF
  • Frequency: 19 kHz
  • Operating Modes: 2 (All Metal | Discrimination)
  • Ground Balance: Manual & Ground Grab® Automatic Ground Cancelation
  • Discrimination: Yes, Adjustable Notch Discrimination
  • Target ID: Yes
  • Numeric ID: Yes (1-99)
  • Fe Readout: Yes
  • Fe-Tone Audio: No
  • Audio: Yes, VCO (Voltage Controlled Oscillator) & 2-Tone Audio (Low & High)
  • Volume: Yes
  • Sensitivity: Yes, Adjustable (Gain Control)
  • Depth Indicator: Yes
  • Pinpoint: Yes
  • Memory: Yes (Saves Custom Mode Settings)
  • Backlight: No
  • Display: Digital LCD
  • Weatherproof: No
  • IP Rating: Not Rated
  • Stock Searchcoil(s): 5” DD 
  • Headphone Jack: Yes (1/4")
  • Weight: 2 lbs. 8 oz. (1.13 kg)
  • Battery Type: 1 x 9V (Not Included)
  • Battery Life: 15-20 Hours (Alkaline Recommended)

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    Parts & Accesories

    Manual

    Goldbug

    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 is the best way to reduce ground noise interference when prospecting in highly mineralized soil?

    The Fisher Goldbug's Ground Grab® function can balance out most mineralization, but in extremely mineralized conditions, using a lower Gain setting combined with a slight positive Threshold value can help maintain stability. Additionally, employing a slow sweep speed and slightly elevating the search coil (1-2 inches above the surface) can reduce erratic signals caused by mineral-heavy ground.

    How does the Fisher Goldbug detect gold in areas with high black sand content?

    Black sand, rich in magnetite, can cause overload issues in metal detectors. The Fisher Goldbug's Fe3O4 bar graph indicates the level of iron mineralization in the soil, helping prospectors identify potential gold-rich locations. When hunting in these areas, setting the Ground Balance manually a bit higher than the actual phase reading can help ignore black sand while still detecting gold.

    Why does the Fisher Goldbug produce a weak or inconsistent signal on small gold nuggets?

    Small nuggets, especially deeply buried ones, produce weak signals that can be lost if the Threshold is set too low. Increasing Threshold to a positive value and using headphones to detect faint variations in audio response can help locate small gold targets. Also, a 5” DD searchcoil is more sensitive to tiny gold than a larger coil.

    Can the Fisher Goldbug detect conductive saltwater environments, and how should it be configured?

    Yes, but saltwater is highly conductive and can cause false signals. Switching to All Metal Mode, setting Ground Grab® to match the salinity, and keeping Gain below 50 can improve stability. If detecting in wet sand, periodically re-ground balance to compensate for salinity changes.
    What is the optimal search coil technique to improve target separation in trashy areas?
    In heavily littered areas, using a smaller search coil (5” DD) and a slow, deliberate sweep improves target separation. Additionally, running the Fisher Goldbug in Discrimination Mode with a Disc setting between 45-55 can help eliminate nails and aluminum without missing valuable targets like coins or gold.
    How can you distinguish between a deep target and a hot rock in All Metal Mode?
    A positive hot rock (oxidized iron) typically sounds like a sharp, repeatable "zip" signal, while a negative hot rock (magnetite) produces a "boing" sound with signal loss over the target. If the object does not pinpoint well or seems to "move" as the coil passes over it, it’s likely a hot rock rather than a metal target.
    What is the most effective way to pinpoint a target using the Fisher Goldbug?

    Instead of relying solely on the Pinpoint button, use the "X" method:

    1. Sweep left to right until the peak signal is found.
    2. Turn 90 degrees and sweep again.
    3. The target will be located where the two strongest signals intersect.
      This technique is especially useful for small or irregularly shaped targets.
    Why does the Fisher Goldbug experience electromagnetic interference (EMI) in some locations, and how can it be minimized?
    EMI can be caused by power lines, Wi-Fi signals, and even other metal detectors. Reducing Gain and using a lower Discrimination setting (around 60-70) can help filter interference. Also, switching to All Metal Mode and keeping the coil orientation perpendicular to power sources can sometimes reduce EMI.
    What effect does humidity and temperature have on the Fisher Goldbug’s performance?
    The Fisher Goldbug operates between 14°F to 122°F, but high humidity (above 90%) can cause searchcoil drift, requiring frequent ground balancing. In extreme heat, battery performance can decrease, so carrying spare alkaline 9V batteries is recommended for prolonged use.
    Why does the depth reading on the Fisher Goldbug change when pinpointing?
    The depth scale is calibrated for coin-sized targets. Larger objects will appear shallower than they actually are, while smaller targets may seem deeper. Additionally, if the target is irregularly shaped or partially masked by mineralization, the depth readout may fluctuate. Adjusting Threshold and re-ground balancing can improve accuracy.
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    Landon Howlett
    "...he found his first coin. A 1946 wheat. I'm glad to say we have a new Digger in the family."
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    JimDoan
    Jim Doan
    This is a Union Officers belt plate from the Civil War, it was found at a G.A.R. 1895 Civil War reunion encampment...
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    RyanVecchio1
    Ryan Vecchio
    "...great detector please keep me informed on the new machines coming out I got pictures of your detectors for years finding things in fields that have been hunted by everything till the first Texas hit the ground." 
    - Bounty Hunter Platinum
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    James K.
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