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Tone Chasin’: The Skinny on Capacitors and Potentiometers (Or Caps and Pots)—Part 2

By Jason Lollar

In my previous post, I wrote about choosing the best pots for your sound (If you haven’t done so already, you can read it HERE). In this post, I will focus on capacitors (or caps), the different types/values, and how they work to affect and influence your guitar tone.

Choosing the Right Capacitors

Tone capacitors are wired to the tone pot so the signal from the guitar pickup will pass high frequencies to ground when the tone pot is rolled down. The higher the value of the cap the wider the range of frequencies that get rolled off to ground. With lower value caps only the highest frequencies get cut off.

As a secondary effect, the higher the value cap, the more frequencies are rolled off with a shorter throw on the pot. So, with a high value cap the tone control can act more like an off or on switch. With a lower value cap, you can throw a lot farther on the pot, so you can dial in the tone with finer adjustment.

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Tone Chasin’: The Skinny on Capacitors and Potentiometers (Or Caps and Pots)—Part 1

Tone Chasin’: The Skinny on Capacitors and Potentiometers (Or Caps and Pots)—Part 1

By Jason Lollar

Finding your guitar tone involves a mix of science and voodoo. This alchemy includes the role of capacitors and potentiometers, also known as caps and pots. In this article, we focus on pots, and separate fact from fiction and explain how they are typically used to give you greater tone and volume control.

Choosing the Right Control Pot

There are some standard assumptions concerning pot and cap values and their use for different pickup designs, like single coils or humbuckers. These conventions can be useful, but you don’t need to blindly follow them.

Take the pot values first. Pots with higher resistance — like 500K compared to 250K — prevent higher frequencies from bleeding through to ground more than lower ohm pots. This means a 500K pot provides a brighter overall tone than a 250K pot. Higher ohms also give you a cleaner and punchier sound on the bass strings.

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