There are plenty of values besides 250k and 500k, including the 1 Meg pot. When less water spills over, the result is a brighter tone. The higher the value, the taller the dam. It might be easiest to think of the pots as a dam, and the high-end frequencies as water. 500k pots allow less high-end frequencies to pass to Ground and will result in a brighter tone.īass guitars are not concerned with high-end frequencies and use 250k pots almost exclusively for single-coil and humbucker pickups. Because of this warmth, we customarily try to save more of the remaining high end and use 500k pots with humbuckers. Phase cancelation is another cause of high-end frequency loss, and this causes humbucker pickups to sound much warmer than single coils. Humbucker pickups use two coils and their proximity to each other causes phase cancelation. 250k is the lowest value typically used and will result in the warmest tone. For now, know that 250k pots allow more high-end frequencies to pass to Ground. It’s often desirable to allow more frequencies to escape to Ground, so these pickups are usually paired with 250k pots. Single-coil pickups are notoriously bright and can be harsh at times. Frequency loss is not necessarily a bad thing, because many guitar pickups can be very bright and harsh sounding, and this gives you a way to tune them to your liking… sort-of. This connection allows some of your high-end frequencies to leak to Ground, even when the controls are wide open. How It Affects Toneīoth the Volume and Tone controls connect to Ground. The Tone and Volume controls are the same, but the Tone knob has a capacitor added to it. As you turn your Volume or Tone up and down, you change the amount of resistance applied to the circuit housed in your guitar. Often called a “pot” for short, a potentiometer is a variable resistor. Your Volume and Tone controls are electronic devices called potentiometers. ![]() IMPORTANT: Never use a soldering GUN, only use a soldering IRON How It Works Many players might not realize that the values of the controls can affect how bright the sound is. These parts are relatively easy to swap out, and the job only requires a few tools, but they do have a considerable impact on your final guitar tone. 500k vs 1 Meg potentiometers - what’s the difference, and how do they affect your tone? To answer that, we’ll take a look at your guitar’s Volume and Tone controls and see how we can modify them, and, perhaps make some significant improvements.
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