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FEATURE OR CAPABILITY  LD-12 LD-15
Amplifier Signal-to-Noise 35 dB 40 dB
Amplifier S/N Ratio Compared to S-30 3X Better 5.5X Better
Amplifier Gain 59 dB 56 dB
Amplifier Gain Compared to S-30 3X Better 2X Better
Amplifier Total Distortion 3% or Less Less Than 1%
Amplifier Distortion Compared to S-30 2 Times Less 6 Times Less
Amplifier Filter Ranges 3 Low and 3 High 1 High, 1 Low, Notch
Amplifier Widest Filter Settings 100 Hz to 1200 Hz 30 Hz to 5000 Hz
Amplifier Battery Life (alkaline cells) 28 Hours 80 Hours
Amplifier Battery Type & No. 6 AA Batteries 4 C Batteries
Sensor Sensitivity   .7 V/g at 400 Hz  10 V/g at 1100 Hz
Frequency at Peak Sensor Sensitivity 650 Hz 1100 Hz
Model of Stereo Headphones David Clark 100/dC David Clark 100/dC
Mute Switch Location Handswitch with Mute Button Mute Button on Amplifier
Optimized for Application for: Ground “Miking” on Streets And Concrete Slabs “Surveying” at Hydrants, Valves, and Meters
   

More LD-15 Information:

LD-15 Product Page

LD-15 Operating Instructions

LD-15 Field Applications for Surveying and Pinpointing

5 Year Warrranty

More LD-12 Information:

LD-12 Product Page

LD-12 Operating Instructions

How to Pinpoint for Leaks
with the LD-12

List of LD-12 Users

5 Year Warrranty


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