Geophone - SM-24

On the product page a customer mentions: add the specified damping resistor across the geophone’s outputs.

What type of resistor is necessary and is there a manual that describes how it is added?

Thank you.

The data sheet suggests 1339 Ohms, although that value is not critical. Connect the resistor directly across the geophone output terminals.

https://cdn.sparkfun.com/datasheets/Sen … ochure.pdf