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Oldest treasure hunting and prospecting business open 10 a.m. – 5 p.m. for hands-on experience with Garrett and Minelab metal detectors, and Keene prospecting supplies. Plus we organize annual Best O’ North East treasure week. We are next to the fence place at 307 Main St., Marlborough, NH 03455. Try to be open most days, however now 84 and it’s best to call first 1-603-876-4443.

MANTICORE TECHNICAL SPECS

Detect Modes (Customisable)   All-Terrain (5), Beach (4), Goldfield (1)
Operating Frequencies Multi-IQ+, 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz
Noise Cancel Auto, Continuous Auto, Manual (-9 to +9)
Ground Balance Auto, Manual, Tracking
Sensitivity
Sensitivity
1 to 35

Target Identification Conductive: 0-99 with ferrous indication
2D ID Map Two-Dimensional ID Map System with Target Trace

Target Tones

1, 2, 5 – Tone | 1, 2, 5 – Region All Tones

Target Volume
0 to 25
Target Pitch 1 to 50

Ferrous Volume
0 to 25
Ferrous Pitch 1 to 50
Audio Themes Normal, Enhanced, Depth, Prospecting
Volume Profiles Simple, Medium, Rich
Threshold Level 0 to 25
Threshold Pitch 1 to 50
Recovery Speed 0 to 8
Ferrous Limits Upper: 0 to 14 | Lower: 0 to 9
Ferrous Limits Custom 1 to 4
Shortcuts Soft Keys: 2 (Action Bar), 1 (User Button)
Depth Indicator 5 levels
Shaft System 3-piece highly collapsible carbon-fibre
Extended Length 1440 mm / 56.7 inch
Collapsed Length 630 mm / 24.8 inch
Weight 1.3 kg / 2.9 lb.
Standard Coil (M11)
11-inch round Double-D coil with skid plate (waterproof to 5 m / 16 ft)

Audio Output
Speaker | 3.5 mm (1/8″) headphones | Wireless low latency headphones

Headphones (Included)
Minelab ML-105 wireless low latency headphones (non waterproof)

Display
Color LCD

Display Backlight
Manual (1 to 10), Auto Adjust

Keypad Backlight
On, Off

Flashlight
Low, Medium, High, Off

Handgrip Vibration
On, Off

Battery
Battery
Internal rechargeable Lithium-ion battery

Battery Run Time
Approx. 10 hours

Battery Charge Time
Approx. 7 hours

Waterproof
Waterproof to 5 m / 16 ft, IP68

Key Technologies
Multi-IQ+ (High Power Simultaneous Multi-Frequency)

Included Accessories
USB Charging Cable, 5x Screen Protectors, 3.5 mm Headphone Audio Cable, Headphone Case

Software Upgradable
Yes, via USB connection (Windows or Mac OS compatible)

Warranty
Please refer to www.minelab.com/warranty-conditions for full warranty terms and conditions. Register your product warranty online at register.minelab.com

MANTICORE TECHNICAL SPECS

Detect Modes (Customisable)   All-Terrain (5), Beach (4), Goldfield (1)
Operating Frequencies Multi-IQ+, 5 kHz, 10 kHz, 15 kHz, 20 kHz, 40 kHz
Noise Cancel Auto, Continuous Auto, Manual (-9 to +9)
Ground Balance Auto, Manual, Tracking
Sensitivity
Sensitivity
1 to 35

Target Identification Conductive: 0-99 with ferrous indication
2D ID Map Two-Dimensional ID Map System with Target Trace

Target Tones

1, 2, 5 – Tone | 1, 2, 5 – Region All Tones

Target Volume
0 to 25
Target Pitch 1 to 50

Ferrous Volume
0 to 25
Ferrous Pitch 1 to 50
Audio Themes Normal, Enhanced, Depth, Prospecting
Volume Profiles Simple, Medium, Rich
Threshold Level 0 to 25
Threshold Pitch 1 to 50
Recovery Speed 0 to 8
Ferrous Limits Upper: 0 to 14 | Lower: 0 to 9
Ferrous Limits Custom 1 to 4
Shortcuts Soft Keys: 2 (Action Bar), 1 (User Button)
Depth Indicator 5 levels
Shaft System 3-piece highly collapsible carbon-fibre
Extended Length 1440 mm / 56.7 inch
Collapsed Length 630 mm / 24.8 inch
Weight 1.3 kg / 2.9 lb.
Standard Coil (M11)
11-inch round Double-D coil with skid plate (waterproof to 5 m / 16 ft)

Audio Output
Speaker | 3.5 mm (1/8″) headphones | Wireless low latency headphones

Headphones (Included)
Minelab ML-105 wireless low latency headphones (non waterproof)

Display
Color LCD

Display Backlight
Manual (1 to 10), Auto Adjust

Keypad Backlight
On, Off

Flashlight
Low, Medium, High, Off

Handgrip Vibration
On, Off

Battery
Battery
Internal rechargeable Lithium-ion battery

Battery Run Time
Approx. 10 hours

Battery Charge Time
Approx. 7 hours

Waterproof
Waterproof to 5 m / 16 ft, IP68

Key Technologies
Multi-IQ+ (High Power Simultaneous Multi-Frequency)

Included Accessories
USB Charging Cable, 5x Screen Protectors, 3.5 mm Headphone Audio Cable, Headphone Case

Software Upgradable
Yes, via USB connection (Windows or Mac OS compatible)

Warranty
Please refer to www.minelab.com/warranty-conditions for full warranty terms and conditions. Register your product warranty online at register.minelab.com

After becoming a metal detector dealer & using a metal detector discovered loved the detecting & finding things hobby. Right off started Yankee Treasure Hunters Club & 20 years later, a national organization the Professional Treasure Hunters Historical Society. 1994 had our 1st Best O’ North East Treasure Hunters Week. Next BONE is # 33 and April 22 – 26, 2026

Every year is natural hunts, great meals and a challenge.

BONE #33 in 2025 to be mostly natural hunts w’ free lunch, & extra charges for the 2 night events Meet the Pros & awards banquet & $450 in advance and as usual $50 off before 9/1/22, for 5 days

George Streeter is now in Marlborough, NH @ 307 Main St, (NH Rte. 101), (almost across from Lee & Mt Fuji) open every day 10 to 5 telephone 603-876-4443  & email [email protected]