Skip to product information
1 of 1

Cygnus Technology, Inc.

Differential Extracellular Amplifier (ER-1)

Differential Extracellular Amplifier (ER-1)


ER-1 Differential Extracellular Amplifier

The ER-1 is a compact, inexpensive, and versatile amplifier which is primarily intended for extracellular use. The ER-1 offers a number of both high and low pass filtering settings and a range of gains. The remote headstage has high imedance differential inputs and includes a bypass relay to connect the electrode to an auxiliary instrument such as a stimulator.

  • DC coupled differential headstage
  • High input impedance...1000 GigaOhms
  • Input range...+1Volt max.
  • Capacitance neutralization for noninverting input
  • BNC type input connector accepts various electrode holders
  • Sharp 4 pole high pass filter settings of DC, .1, 1, 10, 100, and 300 hz
  • Dc offset control
  • Auto zero feature subtracts electrode potential from input before amplification
  • Input bypass switch for stimulation
  • Gain settings of X100, 200, 500, 1k, 2k, 5k, 10k, and 20k
  • Sharp 4 pole low pass filter settings of .1k, .3k, 1k, 3k, 10k, and 30k Hz
  • Line frequency notch filter
  • Output impedance...50 Ohms
  • Low noise...10 microvolt pp at 10KHZ
  • External power supply included



    Regular price $1,507.00
    Regular price Sale price $1,507.00
    Sale Sold out
    Shipping calculated at checkout.


    If you have any questions or need further assistance, please don't hesitate to contact our customer service team. We're always happy to help!

    Shipping Policy


    Order confirmation and invoices are automatically sent once the order has been submitted.

    Please check your Spam Folder if you do not see the emails in your inbox. 


    Shipment processing time: 
    Please allow a 2-3 week processing time while we get your order in from P1. We will ship your order out as soon as we receive it. Orders are not shipped or delivered on weekends or holidays. Estimated shipping times does NOT include order processing times. 


    Shipment confirmation & Order tracking:
    You will receive a Shipment Confirmation email once your order has shipped containing your tracking number. The tracking number will be active within 24 hours.


    View full details