The Geophone Amp
Reliablity through simplicity
Features
Volume and Gain Adjustments
Wired Reliable Connections
Internal and External Power
Geophone Amp Usage
- Insert your geophone's 1/8” (3.175mm) plug into the jack labeled ‘GEO’.
- Insert an 1/8” (3.175mm) male to male aux cable, headphones, or a Bluetooth transmitter into the jack labeled ‘AUDIO’.
- Turn the volume knob clockwise to power on, and the LED will light.
- Adjust the volume knob to vary the output volume.
- Adjust the gain knob to increase signal strength. Keep the gain as low as possible to minimize signal noise.
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Power Options
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Battery Replacement
- The device uses 4xAA batteries.
- Remove the four Phillips head screws on the front and pull the faceplate out to expore the batteries.
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Optional Power Supply
The device can also be powered with an external 8-16VDC power source. The device will use power from the DC jack when detected - no need to remove the batteries.