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A standard Broughton high pass filter with the bypass switch removed. This design allows a more compact layout, fitting on a single pedal board rail, or even mountable underneath a pedal board.


The high pass filter is a 12 dB per octave low frequency filter. The knob controls the cutoff frequency and ranges continuously from 25 Hz to 190 Hz. It has the same frequency points as the switched version, but it does not have the frequencies printed around the knob.


The stock input impedance is 1MΩ. If you have an acoustic pickup that requires a specialized input impedance, write it in the notes during check-out, and we will accomodate the request at no extra cost. The output impedance is 100Ω. This device will work with active or passive instruments, as well as with other devices such as pedals, preamps, or effects loops.


The High Pass Filter requires a DC power supply (not included). The DC supply should be a standard Boss style connector, center negative polarity. It can accept 9 to 24 volts. Higher voltages will provide more clean headroom. The current draw is approximately 10 mA. A 24 volt power supply may be purchased separately.


Dimensions: 3.64" wide x 1.75" long x 1.06" tall

Always On High Pass Filter

  • We ship internationally. All orders will be shipped via Canada Post. Your shipping cost will appear at check-out.

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