NL125/6 Band Pass Filter

NL125/6 Band Pass Filter

£775.00 exc. VAT

Manufacturer's Net List Price


  • High and low Pass filter settings
  • Wide-band and DC options
  • Selectable 50Hz or 60Hz notch filter
  • Rear signal connection for cable-free signal routing
SKU: NL125/6 Categories: ,



The NL125/6 Band Pass Filter module employs two active sections to control the variable high-pass and low-pass characteristics along with a mains frequency Notch filter (jumper selectable for 50Hz or 60Hz). It is a combination/replacement for both the NL125 and NL126.  The NL125/6 is commonly used in combination with our NL100AK/NL104A AC Preamplifier headstage and module for band-pass filtering of signals from extracellular recordings.

The low frequency cut-off point can be set continuously from 0.5Hz to 5kHz with a single turn potentiometer, in four switched ranges. Similarly the high frequency cut-off can be set continuously from 5Hz to 50kHz in four switched ranges. DC and WB (wide band) switch positions by-pass the lower and upper filter sections, respectively.

The unit has two active notch filters which provided for the rejection of line frequency interference; this is selectable on the board, by the user, as either 50Hz (as the original NL125) or 60Hz (as the original NL126), with a 20Hz notch width (-3dB points).

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Product Information

NL125/6 Band Pass Filter




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