Independently researched Detector Comparison

Fisher F75 vs Garrett AT Pro

F75 is the lighter, more adjustable inland relic detector; AT Pro is the rugged waterproof choice. F75 adds FastGrab/manual ground balance, mineralization data and specialized processes, while AT Pro offers simpler proportional audio and 3 m submersion.

Choose for fast response, boost/process choices and ergonomic balanceFisher F75Check Prices →
Choose for Pro Audio, Iron Audio and 40 iron-discrimination segmentsGarrett AT ProCheck Prices →
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Bottom line

F75 for advanced dry-land work; AT Pro for water and simpler operation

Choose F75 for mineralized inland sites, relic hunting and users who will exploit 13 kHz, Fe3O4 feedback, all-metal modes and process selection. Choose AT Pro for rain, rivers and uncomplicated 15 kHz Pro Audio. F75 is not waterproof; that single limitation overrides its extra controls near water.

Research standard: Compared from current manufacturer specifications, manuals and documented package details. Waterproofing, frequency architecture and included coils are treated separately.

Decision table

The differences that change the decision

FactorFisher F75Garrett AT Pro
Frequency system13 kHz single-frequency VLF15 kHz single-frequency VLF
Waterproofingwaterproof coil; control box not submersible3 m / 10 ft
Best fitexperienced relic and inland huntersfreshwater and relic hunters who value proportional audio
Main advantagefast response, boost/process choices and ergonomic balancePro Audio, Iron Audio and 40 iron-discrimination segments
Primary limitationolder EMI-sensitive platformolder single-frequency platform without built-in wireless

Specific recommendations

Choose by terrain and operating style

Choose for fast response, boost/process choices and ergonomic balance

Fisher F75

fast response, boost/process choices and ergonomic balance; best suited to experienced relic and inland hunters.

  • 13 kHz single-frequency VLF
  • waterproof coil; control box not submersible
  • Limitation: older EMI-sensitive platform
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Choose for Pro Audio, Iron Audio and 40 iron-discrimination segments

Garrett AT Pro

Pro Audio, Iron Audio and 40 iron-discrimination segments; best suited to freshwater and relic hunters who value proportional audio.

  • 15 kHz single-frequency VLF
  • 3 m / 10 ft
  • Limitation: older single-frequency platform without built-in wireless
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Decision analysis

What actually changes the purchase

F75 operates at 13 kHz with FastGrab and manual ground balance, motion/static all-metal modes, 0–99 ID and an 11-inch bi-axial DD coil. Its information-rich interface rewards experienced setup.

AT Pro uses 15 kHz, Standard and proportional Pro audio, 40 iron-discrimination segments and an 8.5×11-inch DD coil. Garrett rates the complete detector to 3 m.

Neither frequency creates a universal depth winner. F75’s ground data and processes can matter in difficult inland soil; AT Pro’s sealed housing and simpler audio matter in real field durability.

FAQ

Targeted questions answered

What frequencies do F75 and AT Pro use?

F75 uses 13 kHz; AT Pro uses 15 kHz.

Is Fisher F75 waterproof?

No. Its coil is waterproof, but the control housing is not.

How waterproof is AT Pro?

Garrett rates the complete detector to 3 m (10 ft).

What ground balance does F75 provide?

FastGrab automatic ground balance plus manual adjustment in applicable operation.

What does F75 Fe3O4 show?

A bar graph estimates the amount of magnetic ground mineralization while the coil is moving.

Which is easier to learn?

AT Pro. F75 offers more processes and ground information but demands more operator understanding.

Which is better for river detecting?

AT Pro because it is fully submersible; use compatible waterproof audio underwater.

Buy for the sites you actually hunt

For Fisher F75 vs Garrett AT Pro, the correct choice is the one whose ground handling and controls solve the conditions you face repeatedly.

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Disclosure: As an Amazon Associate we earn from qualifying purchases. Product conclusions are based on documented features and stated limitations; no hands-on testing is claimed.
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