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Variable HPF kit

Variable HPF kit
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$27.50AUD inc GST for Australian Customers
(Approx $17.65USD outside Australia)

(Quantity discounts available)

Product Information
Quantity Discounts
Stock Level18

Variable HPF kit for adding into mixing consoles, channel strips and mic pres.

  • 10k unbalanced buffered input (can be changed to 1Meg by changing one resistor)
  • 500ohm to 2k output impedance depening on opamp used.
  • Variable 50Hz to 500Hz with 220nF caps fitted.
  • Variable 22Hz to 220Hz with 100nF caps fitted.
  • PCB 1" (25.4mm) x 0.8" (20.32mm)
  • 7mm mounting hole for pot with T18 spline
  • 5 wire connection +V, OUT, 0v, IN, -V
  • TL072 opamp in kit but can be upgraded to any dual DIP8 opamp.
  • +/-9v to +/-18v


You can save money on this item when you purchase several at a time. The table below shows the minimum quantities required to benefit from this offer, and how much they'll cost.

QuantityPrice per unit

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