Potentiometer - PMT, Humbucker Control, Coil Filters

Precision Music Technologies
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Potentiometer - PMT, Humbucker Control, Coil Filters

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Precision Music Technologies HCP Control – Humbucker Control Pot with Coil Filter Modes. Made in USA.

The HCP Humbucker Control Pot is a dual mode variable coil tap selector for electric guitars and basses that eliminates the additional switches associated with coil splitting a pair of humbuckers. In TAP mode, rotating the pot counterclockwise fades from humbuckers to outer coils (neck pickup South coil & bridge pickup North coil). Pulling the HCP control up and rotating it counterclockwise fades from humbuckers to inner coils (neck pickup North coil & bridge pickup South coil). Tonal control is expanded with the unique ability to coil tap both humbuckers in varying amounts. In COIL FILTER mode, turning the HCP control applies varying amounts of a specially tuned high frequency filter to only one coil of the selected coils of the humbuckers (either North or South coils can be filtered). This makes each pickup a single coil at high frequencies and a humbucker at lower frequencies which produces a sound similar to a pair of single coils but with a stronger, fuller tone and 50% less noise than coil tapping.


  • Accesses North & South / Inner & Outer Coils.
  • Provides varying amounts of coil tapping for both pickups.
  • Variable "Coil Filter Modes" provide new tonal options.
  • Completely passive-No battery needed.
  • Works with any multi-wire humbuckers.
  • Use with a pair of humbuckers or a single humbucker.
  • No affect on tone at full clockwise setting.
Item ID:
Precision Music Technologies
Termination Style:
Product Measurements by Type
Body Depth1.16 in.
Body Diameter0.66 in.
Body Width0.72 in.
Bushing Length0.38 in.
PCB Depth0.07 in.
PCB Length1.06 in.
PCB Width0.70 in.
Shaft Diameter0.24 in.
Shaft Length0.37 in.
Shaft Rotation300°
U.S. Thread Major Diameter0.375 in.
U.S. Thread Pitch32 tpi.
Packaging Information
Packaging Dimensions7 in. × 4 in. × 0.905 in.
Weight (Packaging)0.057 lbs.
PDF: InstructionsAll Models
PDF: Instructions 2All Models

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Specifications, Files, and Documents

PDF: Instructions 2 Instructions 2918.38 KB
PDF: Instructions Instructions589.4 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on June 3rd, 2016.
June 7th, 2016
Staff Member
Top Contributor
It appears as though from photos that it already includes a treble bleed in the circuit. This would be what the tiny blue cap and resistor are to the best of my knowledge.
Asked by Anonymous on January 6th, 2017.
Matt H
January 6th, 2017
This humbucker control pot includes the coil filter modes in it's construction.
Asked by Anonymous on January 6th, 2017.
Matt H
January 6th, 2017
Yes, if you are looking to split the coils of the humbuckers. Please see the attached instructions.
Asked by Anonymous on December 25th, 2019.
December 27th, 2019
Staff Member
From all of the wiring diagrams it would indicate that they are in parallel, but it does not specify in any of the documents.

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