The NL104A AC preamplifier is a low noise AC coupled differential amplifier. It can be used alone for making recordings from low resistance electrodes or with the NL100AK headstage (or NL100AKS & NL100C) for extracellular microelectrode recordings. It can be operated in single-sided (inverting or non-inverting), or differential modes. It has a wide dynamic balance adjustment for asymmetrical inputs (useful for balancing out interference and short artifacts), a choice of two input time constants and eight gains.
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Download a User's Manual at http://www.autom8.com/docs/nl104a.pdf
Download a brochure at http://www.autom8.com/pdfs/amplifiers/NeuroLog.pdf